Comparison of DRIS and critical level approach for evaluating nutrition status of wheat in district Hyderabad, Pakistan
N Akhter - 2012 - bonndoc.ulb.uni-bonn.de
Intensive cropping systems, improper use of fertilizers or no fertilizer application, and
unreliable and poor quality of irrigation water have led to declining soil fertility in the district …
unreliable and poor quality of irrigation water have led to declining soil fertility in the district …