Soil Test and Chemistry
Greater Phosphorus Efﬁciency Results From Improved Mobility and Prolonged Availability
Tom Gerecke, Dr. Husein Ajwa, Dr. Charles Krauter, and Jerome Pier
Two California studies demonstrate the complexation of phosphorus (P) with organic acids results in prolonged availability, plus more movement away from point of application.
Answering the Question: Does Fertilizer Applied Give Yield Increase?
Dr. Tom Jensen
Omission plot design employed to show farmer whether or not there is a yield increase response.
Understanding Influence of P Placement Under Field Conditions
Drs. G. Hettiarachchi, D. Mengel and Mr. Khatiwada
P management in reduced-till has been a concern for farmers
Managing Drought, Salinity, and Crop Nutrition
By Carl Bruice
In California, there are no miracle cures. Leaching is only remedy when using saline irrigation water.