Amanullah; Khan, Mir Wali; Almas, Lal K.; Stewart, Bob A. - Southern Agricultural Economics Association - SAEA - 2010
Potassium (K) and phosphorus (P) application to sunflower (Helianthus annus L.) reduced cost of production, increased seed oil and protein concentration, yield and net returns on the K and P deficient soils in Northwest Pakistan. Field experiment was conducted at the New Developmental Research...