ASSESSMENT OF VARIOUS HUMIC ACID AND SULFUR LEVELS FOR HIGHER YIELDS IN WHEAT (Triticum aestivum L.) (original) (raw)

2014, Sarhad Journal of Agriculture

To assess the effect of various humic acid (HA) and sulfur (S) levels for higher yields in wheat, an experiment was conducted at New Developmental Farm, The University of Agriculture, Peshawar during rabi 2011 -12. The experiment was conducted in simple random ized complete block design having three replications. Plot size of 15 m 2 (5 m x 3 m), seed rate of 120 kg ha -1 and row to row distance of 30 cm was used. Various combinations of humic acid (0, 1, 2, 3, 4, 5, and 6 kg ha -1 ) and sulfur (0, 15, 30 and 45 kgha -1 ) were used. Ammonium sulfate (NH 4)2SO4 was used as a source of sulfur. Recommended rates of NP (135:60 kg ha -1 ) for were applied. Nitrogen was applied in two split doses i.e. half at sowing and half at first irrigation about 21 days after sowing. Vari ety ATTA-HABIB2010 was studied during the experiment. Number of spike m -2 , grains spike -1 , thousand grains weight, biological yield and grain yield were significantly affected by humic acid and sulfur levels. The...