Abstract
An investigation to study the effect of nitrogen @ (100, 150 and 200 kg ha-1) and cotton approved
varieties (viz. CIM-506, CIM-496, NIAB-111 and BH-160) on the yield and yield components was
conducted at Adaptive Research Farm, Rahim Yar Khan during 2005-2007 for three years. The levels
of nitrogen and cotton varieties significantly affected the plant height, number of mature bolls plant-1,
seed cotton weight boll-1, and seed cotton yield ha-1. The interaction between nitrogen levels and
cotton varieties was non-significant for plant height and number of mature bolls plant-1 while it was
significant for boll weight and seed cotton yield ha-1. Application of nitrogen @ 200 kg ha-1 gave the
highest and significant increase in seed cotton yield (2455 kg ha-1) over 100 and 150 nitrogen ha-1.
The cotton variety CIM-506 produced the highest seed cotton yield (2568 kg ha-1).
Muhammad Aslam, Ashiq Hussain Sanghi, Laila Khalid, Shamaun Javed. (2013) EFFECT OF DIFFERENT DOSES OF NITROGEN ON THE YIELD OF DIFFERENT COTTON VARIETIES, Asian Journal of Agriculture and Biology, Volume 1, Issue 4.
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