وفاخواه‌, مهنا

[ 1 ] - بررسی میزان محدودیت پتاسیم قابل استفاده برای گندم در یک خاک لسی

The objective of this study was determining the most limiting plant growth factor in the wheat root zone dominated by illite in clay fraction and a high specific surface with ample ammonium acetate extractible potassium. A completely randomized block design with 4 replicates was used in Seyed Miran Research Farm (Gorgan) during 2009-2010 growing season. Treatments were mineral fertilizers (to a...