Abstract
A field experiment was conducted to study the effect of N. P and K application on dry matter yield. nutrient concentration and uptake at different stages of cotton growth using MCU 8 os test crop The dry matter yield significantly increased with advanced in the age of the crop. final picking stage of the plant samples recorded the maximum dry matter yield. The uptake of N. P and K also followed the same trend, The concentrations of N. and K decreased from seedling to final picking stage. The nutrient concentrations were maximum in the seedling stage. The different treatments did not have any influence on the seed cotton yield, ginning per cent, lint index, seed index and Halo length.
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