Abstract
Integrative effect of NPK fertilization and weed management practices on growth indices and yield of wheat under agro-climatic condition of Quetta-Pakistan Muhammad Ayub Babar
Highlights
Among all essential nutrients, the majorNutrients play an important role in the nutrients required by wheat crop are growth, development, production and nitrogen (N), phosphorus (P) and quality of cereal crops including wheat.potassium (K)
The higher grain yield on medium fertilizer rate is due to improvement in yield components like tillers m-2, spike length, spikelets spike1, grains spike-1, seed index and harvest index
Such association of yield and its components can be mirrored from linear regression analysis which revealed that grain yield was positively and significantly correlated with leaf area index (LAI), tillers m-2, harvest index and net assimilation rate (NAR)
Summary
Nutrients play an important role in the nutrients required by wheat crop are growth, development, production and nitrogen (N), phosphorus (P) and quality of cereal crops including wheat. The application of phosphorus and potassium to wheat crop is essential Both P and K increases seed maturity and seed development and critical for proliferation of root. It has been observed that the increasing rate of fertilizer exerted beneficial effects on crops wheat and the overall agronomic characteristics of wheat such as plant height, spike length, spikelets spike-1, grains spike-1, seed index, biological yield, grain yield and harvest index were improved [10]. Bahmanyar and Ranjbar [14] reported that K application to wheat crop resulted in inceased agronomic traits like plant height, seed index, tillers m-2, leaf K concentration and uptake and enhanced grian yield. Weed infestation because they compete with wheat crop for nutrient and for moisture, space and light that resulting in low wheat production. Keeping in view the significance of fertilizer rates and weed control in crop production, the present study was aimed to minimize weed crop competition by using NPK fertilizer integrated with weed management practices for enhancement of wheat yield
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