The No. 1 challenge with potassium is to manage the nutrient so that it’s ready to work when it’s needed Potassium’s behavior in the soil sets it apart from other nutrients such as nitrogen and ...

WEST LAFAYETTE, Ind. - Alfalfa growers need to start thinking about whether they should apply potassium and phosphorus on their fields this spring and at what rate, said two Purdue University experts.

WEST LAFAYETTE, Ind. - With fertilizer prices the highest they've ever been, the most important thing row crop growers can do is take a soil sample and have it analyzed, said Purdue University ...

The University of Delaware (UD) has rated soils in terms of the likelihood of profitable responses to additions of phosphorus (P) and potassium (K) from fertilizers, manures, and other soil amendments ...

Throughout history the term “the big three” has had various meanings. If you grew up a few millennials before Christianity, you might have learned in Greek Mythology about the big three gods of Zeus, ...

Plant and Soil, Vol. 4, No. 2 (June 1952), pp. 107-117 (11 pages) 1. Nutrient relations in apple leaves have been studied using Morgan's colorimetric method and a method for total analysis. 2. The ...