Potassium Application on Chickpea Crop under Irrigated Area
Potassium Application on Chickpea Crop under Irrigated Area
Ambrin Rajput*
ABSTRACT
Chickpea is one of the largest and highly cultivable pulse crops which plays a major part in fulfilling the nutritional requirements of human. Limited research has been done on chickpea concern with potassium (K) fertilizer application. A field study was carried out to determine the effect of K on chickpea using cultivar Benazir having three fertilizer treatments; 0:0:0, 30:75:0 and 30:75:30 kg ha-1 of N:P:K replicated thrice with randomized complete block design respectively. The experimental soil was clay loam in texture. Application of N, P and K showed significant effect on chickpea growth and yield parameters. The maximum plant height (85.00 cm), pods plant-1 (43.8), seed index (455 g per 1000 grains), seed yield (1896.0 kg ha-1), total biomass (5205 kg ha-1), straw yield (31050 kg ha-1), protein (15.77%), shoot N, P and K (2.1, 0.3 and 1.3 %) concencentration and N, P and K uptake (95.3, 16.4 and 49.9 kg ha-1) were recorded by combined application of N, P and K fertilizer application. However, the minimum values were obtained from control treatment. The combined application significantly increased chickpea yield compared the one without K application. There was positive significant relationship between all yield parameters except straw yield. Hence, it was recommended that combined application of N, P and K fertilizers is essential for the growth and yield enhancement of chickpea
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