PJB-2018-191
WHEAT GRAIN PRODUCTION AS AFFECTED BY PHOSPHOROUS LEVELS AND SEEDING RATES.
Ghazanfar Ullah
Abstract
Role of phosphorous and seeding rate in wheat production was investigated at Gomal University, KPK, Pakistan. Wheat variety Zam-04 was planted @ 50, 75, 100, 125, 150 and 175 kg ha-1 along with phosphorous dose of 50, 80, 110, 140, 170 and 200 kg ha-1. Grain yield obtained in both year (2009-10 and 2010-11) was highest in plots applied with phosphorous @ 140 kg ha-1 along with seeding rate of 125 kg ha-1. The combination of 140 kg ha-1 and 125 kg ha-1 of seeding rates resulted in maximum percentage of harvest index and benefit cost ratio in both years. Fertile tillers, grains per spike showed same trend as recorded for harvest index and benefit cost ratio, however, 1000-grain weight decreased with increase in seeding rates. Application of phosphorous @ 140 kg ha-1 and seeding rate of 125 kg ha-1 resulted in economically higher return.
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