Variable rate fertilization

In the last decade the need to fertilize soils rather than fields has been recognized and has led to the concept of variable fertilizer rates. Variable fertilizer rates have been advocated for a number of reasons:maximizing fertilizer use efficiency, reducing field variability, and minimizing fertilizer losses.


23 May 2017

1992 Annual Report

SK-09 1992 Annual Report - DeJong.pdfSK-09 1992 Annual Report - DeJong.pdf