2004 > Back to Topics

EARLY SPRING

Keep Close Watch on NPKs Fertilization of Alfalfa Dr. Richard Koenig Some form of soil and tissue testing must be used to identify dificiencies and monitor nutrient status. (PDF, 2 pages, 65 KB)

Controlled Release Nitrogen Shows Promise on Onions Industry At Work Product is reportedly showing consistently higher returns on investment with onion growers in the Pacific Northwest. (PDF, 2 pages, 139 KB)

Fluids Beat Granular in Soil Trials Drs. M. McLaughlin, E. Lombi, B. Holloway, R. Armstrong, Ms. C. Johnston, Ms. D. Brace Granular fertilizers found to be inferior to fluids in calcareous soils. (PDF, 3 pages, 194 KB)

Surface Banding Effective for Corn Starter FFF Review Mounting evidence shows surface dribbling starter plus N and P closer to plantroots than broadcasting. (PDF, 3 pages, 71 KB)

Don’t Overlook Effect of Variables on P Use in Corn-Soybean Rotations Dr Gyles Randall and Jeffrey Vetsch Tillage systems, P placement, P levels in soils, and applied P rate can affect yields and economic return Minnesota studies show. (PDF, 3 pages, 53 KB)

SPRING

Phosphorus Fertilizer Bumps Forage and Beef Production Drs. D. Robinson, J. Sij, W. Pinchak, R. Gill, D. Malinowski, T. Baughman and Mr. S. Bevers Forage and Beef production increased sufficiently to exceed the cost of added P. (PDF, 3 pages, 54 KB)

Trials Prove K Fertilization of Apples can be Beneficial Drs. Gerry Neilsen and Denise Neilsen Studies conducted in semi-arid region of British Columbia on potassium- and magnesiumdeficient, coarse-textured soils. (PDF, 2 pages, 49 KB)

Strip Till: A Viable Option? Ms. L. Ferdinand, Drs. R. Lamond, B.Gordon, K. Jannsen, and Mr. C. Godsey Kansas research shows strip-till produced better early-season growth and higher corn grain yields in 2003 trials. (PDF, 3 pages, 97 KB)

Will Continuous Supply of NH4+-N Increase Irrigated Crop Production? Dr. D. R. Krieg Results of studies in the Texas South Plains showed positive responses with cotton but not sorghum. (PDF, 2 pages, 57 KB)

FALL

Can Agriculture and Evironmentalists Align Interests? Dr. Kenneth G. Cassman Yes, says author. How? By ensuring global food security, protecting biodiversity, improving water quality, and reducing reliance on imported oil. (PDF, 3 pages, 153 KB)

Managing Nitrogen With Five-dollar Gas Dr. Gyles Randall Escalating natural gas prices with little possibility of low-cost nitrogen returning, strongly encourages growers to fine-tune management practices or jeopardize profits. (PDF, 2 pages, 172 KB)

N-Use Efficiency Improves In Ecological Intensification Project Drs. T Arkebauer, A. Dobermann, K. Cassman, R. Drijber, J. Lindquist, J. Specht, D. Walters, and H. Yang Management systems designed to preserve the integrity of the environment are proving profitable in yields and more efficient use of inputs. (PDF, 3 pages, 211 KB)

Optimal Nutrient Levels Required For High-yielding Potatoes Drs. Jeff Stark and Bryan Hopkins Achieving optimal goals requires an efficient nutrient management program, using the most effective nutrient sources, application timings,and methods of placement. (PDF, 2 pages, 51 KB)

2004 > Back to Topics