PJB-2013-62
RESPONSE OF SOIL AND FOLIAR APPLIED NITROGEN AND SULFUR TOWARDS YIELD AND YIELD ATTRIBUTES OF WHEAT CULTIVARS
BEENA SAEED1, AMIR ZAMAN KHAN1, SHAD KHAN KHALIL1, HIDAYAT UR RAHMAN2, FARHAT ULLAH2, HASINA GUL1 AND HABIB AKBAR1
Abstract
A field experiment was conducted to study the effect of soil and foliar application of nitrogen and sulfur on wheat varieties during two growing seasons (2008-09 and 2009-10) at New Developmental Farm of Khyber Pukhtunkhwa Agricultural University Peshawar, Pakistan. The experimental setup was Randomized Complete Block Design with four replications. The 5 × 3 factorial experiment was designed with eight different nitrogen and sulfur treatments and were applied to main plots at four application timings (T1 = at sowing , T2 = at tillering, T3 = at anthesis and T4 = after anthesis stages). Number of spike m-2, Number of grains spike-1, 1000 grain weight and grain yields increased significantly by both N and S application methods. Wheat yield and yield components were higher when nitrogen and sulfur were applied in split doses at sowing (N @ 60 kg ha-1 + S @ 15 kg ha-1), tillering (N @ 40 kg ha-1), at anthesis (N @ 10 kg ha-1 + S @ 10 kg ha-1). It is concluded that N and S spray at the rate of 10-15% during different growth stages would improve the grain yield and yield components of wheat in the study area and contributed significantly to increased production.
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