July, scout cotton squares, check the upper canopy, test tissue and apply foliar potassium early if needed. The ...
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 ...
In 2010 the United States Pharmacopeia (USP) began modernizing their monographs. As a part of this effort, test methods for the quantification of potassium now include ion chromatography. Ion ...