Franz J A Niederholzer

Farm Advisor   Orchard Systems

Cooperative Extension Colusa County
PO Box 180, 100 Sunrise Boulevard, Suite E
Colusa, CA 95932
(530) 458-0570
fjniederholzer@ucanr.edu

http://cecolusa.ucanr.edu

http://www.twitter.com@Hwy20orchardoc

Also in:
Sutter-Yuba Counties

Links

• LInkedIn

Education

Ph.D. Soil Science, UC Davis. 1997

M.S. Soil Science, UC Davis. 1990

B.A. History, Amherst College. 1982

Specialty

Areas of Expertise (click to see all ANR academics with this expertise)

• Almonds
• Pears
• Prunes
• Plants and Their Systems
• Plant Product Quality and Utility (Preharvest)
• Insects, Mites, and Other Arthropods Affecting Plants
• Integrated Pest Management Systems
• Natural Resources and Environment
• Air Resource Protection and Management
• Pollution Prevention and Mitigation
• Agricultural, Natural Resource and Biological Engineering
• Engineering Systems and Equipment

Bibliography

Peer Reviewed

• TE, Maguvu; RJ, Frias, et al.; AI, Hernandez-Rosas; BA, Holtz; FJA, Niederholzer; RA, Duncan; MA, Yaghmour; CM, Culumber; PE, Gordon; FCF, Vieira; PE, Rolshausen; JE, Adaskaveg; LP, Burbank; SE, Lindow; FP., Trouillas (2024). Phylogenomic analyses and comparative genomics of Pseudomonas syringae associated with almond (Prunus dulcis) in California. PLoS One. 19:4.
• Myanja, Ismael K; Coates, Michael C., et al.; Niederholzer, Franz; Donis-Gonzales, Irwin R. (2023). Drying of freshly harvested almonds using a stockpile heated and ambient air dryer (SHAD) with an air distributor -part 2. Biosystems Engineering. 235, 189-201.
• Niederholzer, F.J.A; Milliron, L., et al.; Krueger, W.; Jarvis-Shean, K.; DeBuse, C.; Gordon, P.; Lightle, D.; Gilles, M.; Buchner, R. (2022). Weather conditions contributing to crop failure in ‘Improved French’ prune grown in California. Acta Hortic. 1342, 329-336.
• Mayanja, I.K.; Coates, M.C., et al.; Niederholzer, F.; Donis-Gonzáles, I.R. (2021). Development of a stockpile heated and ambient air dryer (SHAD) for freshly harvested almonds. Applied Engineering in Agriculture. 37:3, 417-425.
• Chen, C.; Khir, R., et al.; Shen, Y.; Wu, X.; Zhang, R.; Cao, X.; Niederholzer, F.; Pan, Z. (2021). Energy consumption and product quality of off-ground harvested almonds under hot air column drying. LWT - Food Science and Technology. 138. March. https://doi.org/10.1016/j.lwt.2020.110768
• Li, X.; Giles, D.K., et al.; Niederholzer, F.; Andaloro, J.T.; Lang, E.B.; Watson, L.J. (2021). Evaluation of an Unmanned Aerial Vehicle as a New Method of Pesticide Application for Almond Crop Protection. Pest Management Science. 77:1, 527-537.
• Jarvis-Shean, K.; Buchner, R., et al.; Niederholzer, F.; DeJong, T.M.; Castro, S.; DeBuse, C. (2021). Field evaluation of Prunus rootstocks for use in dried prune production. Acta Hortic. 1322, 139-146.
• Milliron, L.; Niederholzer, F., et al.; Buchner, R.; Connell, J.; Fulton, A.; Rosecrance, R.; Gilles, M.; DeJong, T.M.; Castro, S.; Gilles, C.; DeBuse, C.; Fleck, C.; Wolter, D. (2021). Field evaluation of rootstocks for ‘Improved French’ prune production in California grower trials. Acta Hortic. 1322, 125-130.
• Johnson, B.; Niederholzer, F., et al.; Milliron, L.; Rizzo, D. (2021). Improved understanding of the threat posed by Phellinus heart-rot in California prune orchards. Acta Hortic. 1322, 295-302.
• Luo, Y.; Niederholzer, F.J.A., et al.; Lightle, D.M.; Felts, D.; Lake, J.; Michailides, T.M. (2021). Limited Evidence for Accumulation of Latent Infections of Canker-Causing Pathogens in Shoots of Stone Fruits and Nut Crops in California. Phytopathology. 111:11, 1963-1971.
• Rosecrance, R.; Milliron, L., et al.; Niederholzer, F. (2021). Mechanical pruning of ‘Improved French’ prune trees. Acta Hortic. 1322, 253-258.
• Luo, Y.; Niederholzer, F.J.A., et al.; Felts, D.G.; Puckett, R.D.; Michailides, T.M. (2020). Inoculum quantification of cancer-causing pathogens, in prunes and walnut orchards using real time PCR. J Appl Microbiology. 129, 1337-1348.
• Pourezza, A.; Moghimi, A., et al.; Niederholzer, F.J.A.; Larbi, P.A.; Zuniga-Ramirez, G.; Chueng, K.H.; Khorsandi., F. (2020). Spray Backstop: A Method to Reduce Orchard Spray Drift Potential without Limiting the Spray and Air Delivery. Sustainability. 12:21, 8862-8875.
• Niederholzer, F.J.A.; Glozer, K. (2019). Bloom timing and fruit set of ‘Improved French’ prune following dormant application of horticultural oil or nitrogen fertilizers as rest-breaking agents. Acta Hort. 1260, 117-123.
• Siegel, J.P.; Strmiska, M.M., et al.; Niederholzer, F.J.A.; Giles, D.K.; Walse, S.S. (2019). Evaluating insecticide coverage in almond and pistachio for control of navel orangeworm (Amyelois transitella) (Lepidoptera: Pyralidae). Pest Manag Sci. 75:5, 1435-1442.
• Wunderlich, L.R.; Niederholzer, F.J.A., et al.; Blecker, L.; Smith, R.J.; Strmiska, M; Symmes, E.; Bolton, S. (2019). Survey reveals training needs for airblast sprayer applicators, farm managers, owners and pest control advisors. Outlooks on Pest Management. 30:2, 53-60.
• Luo, Y.; Lichtenburg, P.S.F., et al.; Niederholzer, F.J.A.; Lightle, D.M.; Felts, D.G.; Michailides, T.J. (2019). Understanding the process of latent infection of canker-causing pathogens in stone fruit and nut crops in California. Plant Disease. 110:9, 2374-2384.
• Niederholzer, F.J.A.; Lampinen, B., et al.; Johnson, B.; and Cutter, S. (2018). Conditioning harvested almonds on the orchard floor to reduce drying time of wetted almonds. Acta Hort. 1219, 243-250.
• Venkitasamya, C.; Brandl, M., et al.; Niederholzer, F.J.A.; Zhanga, R.; McHugh, T.; and Pan, Z. (2018). Feasibility of using sequential infrared and hot air for almond drying and inactivation of Enterococcus faecium. LWT. 95, 123-128.
• DeJong, T.M.; Castro, S., et al.; Niederholzer, F. (2017). Challenges to prune production in increasingly variable Californian weather conditions. Acta Hort. 1175, 25-28.
• Markle, J.C.; Niederholzer, F.J.A., et al.; Zalom, F.G. (2016). "Evaluation of spray application methods for navel orangeworm control in almonds." Pesticide Management Science 72(12): 2339-2346.
• Lampinen, B.; Upadhyaya, S., et al.; Udompetaikul, V.; Browne, G.; Roach, J.; Metcalf, S.; Stewart, W.; Contador, L.; Negron, C.; Gómez, I.P.; Beede, B.; DeBuse, C.; Doll, D.; Duncan, R.; Edstrom, J.; Elkins, R.; Fichtner, E.; Grant, J.; Hasey, J.; Holtz, B.; Kelley, K.; Krueger, B.; Niederholzer, F.; Olson, J. (2015). "A second generation mobile platform for assessing midday canopy photosynthetically active radiation interception in orchard systems." Acta Hort 1058: 105-112.
• O'Geen, T.; Saal, M., et al.; Dahlke, H.; Doll, D.; Elkins, R.; Fulton, A.; Fogg, G.; Harter, T.; Hopkins, J.W.; Ingels, C.; Verdegaal, P.; Walkin, M. (2015). "Soil suitability index identifies potential areas for groundwater banking on agricultural lands." California Agriculture 69(2): 75-84.
• Hamby, K.A.; Nicola, N.L., et al.; Niederholzer, F.J.A.; Zalom, F.G. (2015). "Timing Spring Insecticide Applications to Target both Amyelois transitella (Lepidoptera: Pyralidae) and Anarsia lineatella (Lepidoptera: Gelechiidae) in Almond Orchards." Journal of Economic Entomology 108(2): 683-693.
• Niederholzer, F.JA.; Pickel, C., et al.; Buchner, R.P.; Olson, W.; Krueger, W.H.; Zalom, F.G. (2013). Alternatives to Traditional Dormant-Season Plum Aphid Control Are Effective. Acta Hortic. 985, 221-228.
• Krueger, W.; Niederholzer, F., et al.; Fichtner, E. (2013). Investigation of Pruning Strategies for Dried Plums Including Hand, Mechanical and Combinations. Acta Hortic. 985, 201-208.

Non-Peer Reviewed

• Niederholzer, Franz (2024). New almond plantings. American Fruit Grower. 12. February.
• Niederholzer, Franz (2023). Bacterial blast/canker: What do we know? Sacramento Valley Regional Almond Newsletter. September.
• Niederholzer, Franz (2023). Dial-in spray coverage for cost-effective spraying. Sacramento Valey Regional Almond Newsletter. May.
• Niederholzer, Franz (2023). Twelve ways to ruin a prune orchard. (Pitfalls to avoid wherever possible). Sacramento Valley Regional Prune Newsletter. May.
• Niederholzer, Franz (2022). Nickels Soil Lab Research Review: Past and Present. West Coast Nut Grower Magazine. December.
• Niederholzer, Franz (2022). Time for a hard look. Sacramento Valley Regional Almond Newsletter. September.
• Milliron, L.; Niederholzer, F.J.A., et al.; Jarvis-Shean, K. (2021). Almond Management Consideration: Spring and Early Summer. Sacramento Valley Regional Almond Newsletter. April.
• Niederholzer, F.J.A.; Milliron, L., et al.; Symmes, E.J. (2021). Almond Management Considerations: Bloom through Early April. Sacramento Valley Regional Almond Newsletter. February.
• Niederholzer, F.J.A. (2021). Ant Management. Sacramento Valley Regional Almond Newsletter. July.
• Niederholzer, F.J.A. (2021). Bloom Review, 2020. Sacramento Valley Regional Prune Newsletter. March.
• Niederholzer, F.J.A. (2021). Bloom season specific sprayer calibration saves money and time. Sacramento Valley Regional Almond Newsletter. February.
• Niederholzer, F.J.A.; Lightle, D. (2021). Checking Cropload and Shaker Thinning Prunes. Sacramento Valley Regional Prune Newsletter. May.
• Niederholzer, F.J.A. (2021). Final Report: Nickels Soil Lab Projects. Almond Board of CA.
• Milliron, L.; Niederholzer, F.J.A., et al.; Fulton, A.; Buchner, R. (2021). For a Healthy Orchard Next Spring, Follow Through on Late Season Irrigation in your Prune Orchard. Sacramento Valley Regional Prune Newsletter. July.
• Niederholzer, F.J.A. (2021). Fruit Set, 2021. What Happened? Sacramento Valley Regional Prune Newsletter. July.
• Niederholzer, F.J. (2021). Fruit Set, 2021. What Happened? Sacramento Valley Regional Prune Newsletter. July.
• Niederholzer, F.J.A.; Milliron, L., et al.; Buchner, R. (2021). Getting the Best Grower Returns at Harvest. Sacramento Valley Regional Prune Newsletter. July.
• Niederholzer, F.J.A. (2021). Hive Strength and Bee Health/Safety. Sacramento Valley Regional Almond Newsletter. February.
• Niederholzer, F.J.A.; Milliron, L., et al.; Jarvis-Shean, K.; Symmes, E.J. (2021). Orchard Considerations for Bloom and Beyond, 2021. Sacramento Valley Regional Prune Newsletter. March.
• Smith, E.; Niederholzer, F.J.A., et al.; Jarvis-Shean, K.; Milliron, L. (2021). Pre- and Post-Harvest Almond Orchard Management Considerations. Sacramento Valley Regional Almond Newsletter. July.
• Niederholzer, F.J.A.; Milliron, L., et al.; Wheeler-Dykes, B (2021). Pre-Harvest and Harvest Prune Orchard Considerations. Sacramento Valley Regional Prune Newsletter. July.
• Milliron, L.; Niederholzer, F.J.A., et al.; Jarvis-Shean, K. (2021). Spring and Early Summer Orchard Considerations. Sacramento Valley Regional Prune Newsletter. May.
• Niederholzer, F.J.A. (2021). Time to Consider: January-February. Almond Facts. January-February, 44-52. https://www.bluediamondgrowers.com/almondfacts/jan-feb-2021/jan-feb-2021-A.pdf
• Niederholzer, F.J.A. (2021). Time to Consider: July-August. Almond Facts. July-August. https://bluediamondgrowers.com/almondfacts/jul-aug-2021/BlueDiamond_AlmondFacts_JulyAug_2021%20-A.pdf
• Niederholzer, F.J.A. (2021). Time to Consider: March-April. Almond Facts. March-April, 34-43. https://www.bluediamondgrowers.com/almondfacts/mar-apr-2021/mar-apr-2021-A.pdf
• Niederholzer, F.J.A. (2021). Time to Consider: May-June. Almond Facts. May-June, 46-52. https://www.bluediamondgrowers.com/almondfacts/may-june-2021/may-june-2021-A.pdf
• Jarvis-Shean, K.; Buchner, B., et al.; Niederholzer, F.J.A.; DeJong, T.; Castro, S.; DeBuse, C.; Hoffman, O. (2020). 2019 Field evaluation of prune rootstocks at Wolfskill. Prune Research Reports, 2019. California Prune Board. https://ucanr.edu/sites/driedplum/files/318587.docx
• Milliron, L.; Niederholzer, F.J.A. (2020). Almond Leaf Scorch. Sacramento Valley Regional Almond Newsletter. September. http://cesutter.ucanr.edu/newsletters/Pomology_Notes86740.pdf
• Milliron, L.; Niederholzer, F.J.A. (2020). Almond Leaf Scorch. Sacramento Valley Regional Almond Newsletter. October.
• Niederholzer, F.J.A.; Milliron, L., et al.; Jarvis-Shean, K. (2020). Almond Management Considerations: Spring & Early Summer. Sacramento Valley Regional Almond Newsletter. May. http://cesutter.ucanr.edu/newsletters/Pomology_Notes84820.pdf
• Symmes, E.J.; Niederholzer, F.J.A., et al.; Milliron, L.; Wolter, D. (2020). Almond Orchard Management Considerations: Bloom through Early April. Sacramento Valley Regional Almond Newsletter. January. http://cesutter.ucanr.edu/newsletters/Pomology_Notes83215.pdf
• Niederholzer, F.J.A.; Milliron, L. (2020). Cytospora: A Prune Grower’s Arch Nemesis. Sacramento Valley Regional Prune Newsletter. September. http://cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News86723.pdf
• Michailides, T.J.; Luo, Y., et al.; Niederholzer, F.; Felts, D.; Lake, J.; Buchner, R.P.; Fichtner, E.; Lightle, D.. (2020). Diagnosis, etiology, epidemiology and management of canker diseases of dried plums. Prune Research Reports, 2019. California Prune Board. https://ucanr.edu/sites/driedplum/files/318591.docx
• Milliron, L.; Niederholzer, F.J.A., et al.; Lightle, D.; Wolter, D. (2020). Fall & Winter Prune Orchard Management Considerations. Sacramento Valley Regional Prune Newsletter. September. http://cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News86723.pdf
• Niederholzer, F.J.A. (2020). Final Report: Can venturi nozzles deliver spray drift and pest control? submitted to the Almond Board of California.
• Niederholzer, F.J.A. (2020). Final Report: Nickels Soil Lab Projects. submitted to the Almond Board of California.
• Niederholzer, F.J.A.; Lightle, D. (2020). Hull split Hull Rot Management. Sacramento Valley Regional Almond Newsletter. June. http://cesutter.ucanr.edu/newsletters/Pomology_Notes85639.pdf
• Niederholzer, F.J.A. (2020). Hull split timing and sprayer practices for best pest control results. Sacramento Valley Almond Regional Newsletter. May. http://cesutter.ucanr.edu/newsletters/Pomology_Notes84820.pdf
• Johnson, B.; Hernandez, D., et al.; Niederholzer, F.; Milliron, L.; Rizzo, D. (2020). Investigating the incidence and type of wood decay in California prune orchards. Prune Research Reports, 2019. California Prune Board. https://ucanr.edu/sites/driedplum/files/318580.docx
• Niederholzer, F.J.A.; Buchner, R.P., et al.; Milliron, L.; LIghtle, D.; Jarvis-Shean, K.; Gordon, P.; Gilles, M. (2020). Managing heat at bloom in ‘French’ prune, 2019. Prune Research Reports, 2019. California Prune Board. https://ucanr.edu/sites/driedplum/files/318583.docx
• Niederholzer, F.J.A. (2020). Navel Orangeworm Management Considerations. Sacramento Valley Regional Almond Newsletter. June. http://cesutter.ucanr.edu/newsletters/Pomology_Notes85639.pdf
• Niederholzer, F.J.A. (2020). Nickels Soil Lab Annual Report, 2019.
• Niederholzer, F.J.A. (2020). Orchard Sanitation is key to a Quality Crop. Sacramento Valley Regional Almond Newsletter. October.
• Niederholzer, F.J.A. (2020). Orchard sanitation is key to a quality crop. Sacramento Valley Regional Almond Newsletter. September. http://cesutter.ucanr.edu/newsletters/Pomology_Notes86740.pdf
• Connell, J.; Niederholzer, F.J.A. (2020). Potassium Deficiency. Sacramento Valley Regional Almond Newsletter. May. http://cesutter.ucanr.edu/newsletters/Pomology_Notes84820.pdf
• Niederholzer, F.J.A.; Jarvis-Shean, K., et al.; Milliron, L. (2020). Pre- & Post-Harvest Almond Orchard Management Considerations. Sacramento Valley Regional Almond Newsletter. June. http://cesutter.ucanr.edu/newsletters/Pomology_Notes85639.pdf
• Milliron, L.; Niederholzer, F.J.A., et al.; Fulton, A.; Buchner, R. (2020). Pre- and Post-Harvest Irrigation Management in Prune. Sacramento Valley Regional Prune Newsletter. July. http://cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News85923.pdf
• Niederholzer, F.J.A.; Jarvis-Shean, K. (2020). Pre-harvest and Harvest Orchard Considerations. Sacramento Valley Regional Prune Newsletter. July. http://cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News85923.pdf
• Niederholzer, F.J.A. (2020). Propiconazole (Tilt®, Bumper®, etc.) use cancelled in the EU. Sacramento Valley Almond Regional Newsletter. May. http://cesutter.ucanr.edu/newsletters/Pomology_Notes84820.pdf
• Niederholzer, F.J.A.; Reil, W. (2020). Prune harvest prep: Crop maturity and fruit size checks. Sacramento Valley Regional Prune Newsletter. July. http://cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News85923.pdf
• Milliron, L.; Niederholzer, F.J.A., et al.; Jarvis-Shean, K. (2020). Spring & Early Summer Orchard Considerations. Sacramento Valley Regional Prune Newsletter. April. http://cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News84797.pdf
• Lightle, D.; Niederholzer, F.J.A. (2020). Thinning Prunes. Sacramento Valley Regional Prune Newsletter. April. http://cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News84797.pdf
• Niederholzer, F.J.A. (2020). Time to Consider: January-February. Almond Facts. Blue Diamond Growers, Inc. 38-46. January-February. https://www.bluediamondgrowers.com/almondfacts/jan-feb-2020/jan-feb-2020.pdf
• Niederholzer, F.J.A. (2020). Time to Consider: July-August. Almond Facts. 34-38. July-August. https://www.bluediamondgrowers.com/almondfacts/jul-aug-2020/jul-aug-2020.pdf
• Niederholzer, F.J.A. (2020). Time to Consider: March-April. Almond Facts. Blue Diamond Growers, Inc. 34-40. March-April. https://www.bluediamondgrowers.com/almondfacts/mar-apr-2020/mar-apr-2020.pdf
• Niederholzer, F.J.A. (2020). Time to Consider: May-June. Almond Facts. Blue Diamond Almond Growers, Inc. 38-43. May-June. https://www.bluediamondgrowers.com/almondfacts/may-jun-2020/may-jun-2020.pdf
• Niederholzer, F.J.A. (2020). Time to Consider: November-December. Almond Facts. November-December, 44-48. https://www.bluediamondgrowers.com/almondfacts/nov-dec-2020/nov-dec-2020-A.pdf
• Niederholzer, F.J.A. (2020). Time to Consider: September-October. Almond Facts. 34-41. September-October. https://www.bluediamondgrowers.com/almondfacts/sept-oct-2020/sept-oct-2020-A.pdf
• Milliron, L.; Niederholzer, F.J.A. (2020). Update on rootstocks for prune production. Sacramento Valley Regional Prune Newsletter. April. http://cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News84797.pdf
• Lightle, D.; Niederholzer, F. (2019). Almond Bloom Diseases. Sacramento Valley Regional Almond Newsletter. January. cesutter.ucanr.edu/newsletters/Pomology_Notes77812.pdf
• Niederholzer, F.J.A. (2019). Almond Variety Planting Trends. Sacramento Valley Regional Almond Newsletter. October. http://cesutter.ucanr.edu/newsletters/Pomology_Notes81833.pdf
• Symmes, E.; Niederholzer, F. (2019). Bloom disease treatments in prune and honey bee safety. Sacramento Valley Prune News. January. cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News78247.pdf
• Milliron, L.; Niederholzer, F., et al.; Lightle, D.; Jarvis-Shean, K. (2019). California's prune orchard of the future. Progressive Crop Consultant. September-October, pp. 26-30.
• Milliron, L.; Niederholzer, F.J.A., et al.; Lightle, D. (2019). Canker Review. Sacramento Valley Prune News. July. cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News80942.pdf
• Niederholzer, F.J.A.; Milliron, L. (2019). Cytospora: A year-round fight. Sacramento Valley Regional Prune Newsletter. October. http://cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News81750.pdf
• Niederholzer, F.; Milliron, L., et al.; Wolter, D.; Buchner, R. (2019). Delivering the largest fruit possible this year. Sacramento Valley Prune News. July. cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News80942.pdf
• Wolter, D.; Niederholzer, F.J.A., et al.; Jarvis-Shean, K. (2019). Fall & Winter Almond Orchard Management Considerations. Sacramento Valley Regional Almond Newsletter. October.
• Wolter, D.; Niederholzer, F.J.A., et al.; Lightle, D.; Symmes, E.J. (2019). Fall & Winter Prune Orchard Management Considerations. Sacramento Valley Regional Prune Newsletter. October. http://cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News81750.pdf
• Lightle, D.; Niederholzer, F. (2019). Hull Rot Management. Sacramento Valley Almond News. April. cesutter.ucanr.edu/newsletters/Pomology_Notes79684.pdf
• Niederholzer, F. (2019). Hull split timing and sprayer practices for best pest control results. Sacramento Valley Almond News. April. cesutter.ucanr.edu/newsletters/Pomology_Notes79684.pdf
• Milliron, L.; Niederholzer, F.J.A., et al.; Jarvis-Sean, K. (2019). Long Pruning for Greater Early Yields. Sacramento Valley Regional Prune Newsletter. October. http://cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News81750.pdf
• Niederholzer, F. (2019). Nickels Soil Lab Research Review. West Coast Nut. April, pp. 42-46.
• Gordon, P.; Niederholzer, F. (2019). Potassium in nut crops: plant use and field application. West Coast Nut. March, pp.14-18.
• Niederholzer, F.; Symmes, E., et al.; Milliron, L. (2019). Prune Management Considerations: Spring-Summer. Sacramento Valley Prune News. April. cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News79815.pdf
• Niederholzer, F. (2019). Spraying Mature Nut Trees. West Coast Nut. July, pp 14-17.
• Milliron, L.; Niederholzer, F., et al.; Lightle, D.; Jarvis-Shean, K. (2019). The advantages of tighter spacing and greater light interception in California prune orchards. Sacramento Valley Prune News. April. cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News79815.pdf
• Niederholzer, F. (2019). Time to Consider. Almond Facts. January-February. bluediamondgrowers.com/almondfacts/jan-feb-2019/jan-feb-2019.pdf
• Niederholzer, F. (2019). Time to Consider. Almond Facts. March-April, pp. 46-52. bluediamondgrowers.com/almondfacts/mar-apr-2019/mar-apr-2019.pdf
• Niederholzer, F. (2019). Time to Consider. Almond Facts. May-June. bluediamondgrowers.com/almondfacts/may-jun-2019/may-jun-2019.pdf
• Niederholzer, F. (2019). Time to Consider. Almond Facts. July-August. bluediamondgrowers.com/almondfacts/jul-aug-2019/jul-aug-2019.pdf
• Niederholzer, F. (2019). Time to Consider. Almond Facts. September-October. bluediamondgrowers.com/almondfacts/sept-oct-2019/sept-oct-2019.pdf
• Niederholzer, F.J.A. (2019). Time to Consider: November-December. Almond Facts. Blue Diamond Growers, Inc. 44-49. November-December. https://www.bluediamondgrowers.com/almondfacts/nov-dec-2019/nov-dec-2019.pdf
• Niederholzer, F. (2019). Trends in world prune markets (and what they could mean for California grower practices in 2019). Sacramento Valley Prunes News. January. cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News78247.pdf
• Jarvis-Shean, K.; Lightle, D, et al.; Niederholzer, F (2019). Winter and Bloom Almond Orchard Management Considerations. Sacramento Valley Regional Almond Newsletter. January. cesutter.ucanr.edu/newsletters/Pomology_Notes77812.pdf
• Symmes, E.; Niederholzer, F., et al.; Jarvis-Shean, K.; Milliron, L. (2019). Winter and prebloom orchard practices to consider. Sacramento Valley Prune News. January. cesutter.ucanr.edu/newsletters/Sacramento_Valley_Prune_News78247.pdf
• Niederholzer, F.J.A. (2019). Zinc and Boron Review. Sacramento Valley Regional Almond Newsletter. October. http://cesutter.ucanr.edu/newsletters/Pomology_Notes81833.pdf
• Niederholzer, F.J.A. (2017). 2016 Nickels Soil Lab Annual Report. Nickels Soil Lab Annual Report.
• Niederholzer, F.J.A. (2017). Advances in Cytospora canker management. Sacramento Valley Regional Prune Newsletter. July.
• Niederholzer, F.J.A.; Milliron, L. (2017). Aphid Management Review. Sacramento Valley Regional Prune Newsletter. September.
• Niederholzer, F.J.A. (2017). Bad bloom weather options. Sacramento Valley Regional Prune Newsletter. February.
• Niederholzer, F.J.A.; Milliron, L. (2017). Bloom and postbloom prune management practices for a more consistent production of high quality prunes. Prune Research Reports, 2016.
• Niederholzer, F.J.A. (2017). Bloom review: 2017. Sacramento Valley Regional Almond Newsletter. April.
• Brown, P.H.; Bullard, A. (2017). Development of Nutrient Management Tools for Prunes. Prune Research Reports, 2016.
• Michailides, T.J.; Luo, Y., et al.; Niederholzer, F.; Morgan, D.P.; Felts, D.; Puckett, R. (2017). Diagnosis, Etiology, Epidemeology and management of canker diseases in dried plums. Prune Research Reports, 2016.
• Niederholzer, F.J.A. (2017). Fall prune orchard management considerations following a heavy crop. Sacramento Valley Regional Prune Newsletter. September.
• Buchner, R.P.; Connell, J., et al.; Niederholzer, F.J.A.; Pope, K.; DeBuse, C.; Giles, C. DeJong; Castro, S.; Milliron, L.; Fleck, C. Fulton (2017). Field evaluation of prune rootstocks. Prune Research Reports, 2016.
• Johnson, B.; Niederholzer, F., et al.; Doll, D; Tourillas, F.; Gargelotto, M.; McRoberts, N (2017). Investigating the incidence and type of wood decay in California prune orchards. Prune Research Reports, 2016.
• Milliron, L.; Niederholzer, F.J.A. (2017). July and August Prune Management Considerations. Sacramento Valley Regional Prune Newsletter. July.
• Niederholzer, F.J.A.; Lightle, D., et al.; Pope, K.; Milliron, L. (2017). Managing heat at bloom in ‘French’ prune. Prune Research Reports, 2016.
• Niederholzer, F.J.A. (2017). Navel orangeworm update. Sacramento Valley Regional Almond Newsletter. June.
• Niederholzer, F.J.A.; Cutter, S. Lampinen, et al.; Krueger, W. (2017). Nickels Soil Lab projects. 2016-17 Annual resports of the Almond Board of California.
• Pope, K.; Niederholzer, F.J.A., et al.; Symmes, E.J. (2017). Prune Bloom Orchard Management Considerations. Sacramento Valley Regional Almond Newsletter. February.
• Symmes, E.J.; Niederholzer, F.J.A. (2017). Prune Management Considerations: Late Spring through Summer. Sacramento Valley Regional Prune Newsletter. May.
• Niederholzer, F.J.A. (2017). Prune orchard nutrition: thoughts for 2017. Sacramento Valley Regional Prune Newsletter. MAY.
• Niederholzer, F.J.A. (2017). Spray coverage is key to lowest cost, effective pest control. West Coast Nut. March, 42-46.
• Niederholzer, F.J.A. (2017). Varietal trends in acres planted to almonds. www.thealmonddoctor.com. June 6.
• Niederholzer, F.J.A. (2017). What to do if you applied abamectin to almonds in May. www.sacvalleyorchards.com. June 4.
• Niederholzer, F.J.A. (2017). When to apply the first irrigation? Sacramento Valley Regional Almond Newsletter. January.
• Niederholzer, F.J.A. (2017). Why are some prune trees yellow in the spring? The Bicarbonate Blues. Sacramento Valley Regional Prune Newsletter. May.
• Niederholzer, F.J.A. (2017). Yellowing trees on Krymsk 86 after a wet spring. Sacramento Valley Regional Almond Newsletter. June.
• Niederholzer, F.J.A. (2016). Fall prune orchard management considerations following a light crop (without hurting the next crop). Sacramento Valley Regional Prune Newsletter. November.
• Niederholzer, F.J.A. (2016). Fall Zinc and Boron Review. Sacramento Valley Regional Almond Newsletter. October.
• Niederholzer, F.J.A. (2016). Food for thought when planting a new prune orchard. Sacramento Valley Regional Prune Newsletter. November.
• Niederholzer, F.J.A. (2016). Light Chilling Year? Use the Right Tools to Know. West Coast Nut. 16-19.
• Niederholzer, F.J.A.; Lightle, D. (2016). Potted tree irrigation after planting: Getting the first year right. Sacramento Valley Regional Almond Newsletter. October.
• Buchner, R.; Niederholzer, F.J.A., et al.; Pope, K. (2016). Preliminary Observations for New Prune Rootstocks. Sacramento Valley Regional Prune Newsletter. November.
• Niederholzer, F.J.A. (2011). Determining sprayer speed in the field. Sacramento Valley Regional Prune Newsletter. Spring 2011. 2011.
• DeBuse, C.; Niederholzer, F.J.A., et al.; Buchner, R.P. (2011). Heat at Bloom. California Dried Plum Board annual reports. 2011.
• Niederholzer, F.J.A.; DeBuse, C. (2011). High temperatures at bloom reduce fruit set. Sacramento Valley Regional Prune Newsletter. Bloom 2011. 2011.
• Niederholzer, F.J.A. (2011). In-season fertilization options for prunes. Sacramento Valley Regional Prune Newsletter. Spring 2011. 2011.
• Krueger, W.H.; Niederholzer, F.J.A., et al.; DeBuse, C. (2011). Maximizing grower profit in tough times. Sacramento Valley Regional Prune Newsletter. Bloom 2011. 2011.
• Niederholzer, F.J.A. (2011). Simple jar test – how to evaluate spray compatibility. Sacramento Valley Regional Prune Newsletter. Bloom 2011. 2011.
• Niederholzer, F.J.A. (2011). Simple jar test â?? how to evaluate spray compatibility. Sacramento Valley Regional Prune Newsletter. Bloom 2011. 2011.
• Niederholzer, F.J.A. (2011). Update on spotted wing drosophila in prunes. Sacramento Valley Regional Prune Newsletter. Preharvest 2011. 2011.
• Niederholzer, F.J.A. (2011). Using urea efficiently. Sacramento Valley Regional Prune Newsletter. Spring 2011. 2011.
• Niederholzer, F.J.A. (2011). When will harvest start in 2011? Sacramento Valley Regional Prune Newsletter. Preharvest 2011. 2011.
• Niederholzer, F.J.A. (2010). Fall -- Time for Almond Nutrition Review and Planning. The Advisor. California Association of Pest Control Advisors (CAPCA). Nov-Dec 2010, 46-48. 2010.
• Niederholzer, F.J.A. (2010). Fall spray for prune aphid management. Sacramento Valley Regional Prune Newsletter. Fall 2010. 2010.
• Niederholzer, F.J.A.; Connel, J. (2010). Prune out cytospora cankers to reduce disease. Sacramento Valley Regional Prune Newsletter. Fall 2010. 2010.
• Niederholzer, F.J.A. (2010). Why dormant spray almonds? Sacramento Valley Regional Prune Newsletter. Fall 2010. 2010.

California Agriculture Article Contributions

• Soil suitability index identifies potential areas for groundwater banking on agricultural lands

ANR Workgroup Associations

• Spray Application Technology - Chair
• Almond - Chair
• Irrigation Management - Member
• Pest Management in ANR - Member
• Precision Agriculture - Member
• Prune - Member

Return to 2019 Newspaper Articles