Farm waste recycling for enhancing productivity, nutrient uptake, soil fertility and economics of groundnut (Arachis hypogaea)-wheat (Triticum aestivum) crop sequence
Authors: R. K. Mathukia, K. B. Asodaria and B. K. Sagarka
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A field experiment was conducted to evaluate the effect of farm waste recycling in comparison to chemical fertilizers on productivity, nutrient uptake, soil fertility and economics of groundnut (Arachis hypogaea L.)-wheat (Triticum aestivum L. emend. Fiori and Paol.) cropping sequence at Junagadh (Gujarat, India) during kharif and rabi seasons of 2008-09 to 2010-11. The results revealed that application of enriched compost @ 5 t ha-1 to groundnut and recommended dose of fertilizer to wheat proved superior in respect of pod and haulm yield of groundnut, grain and straw yield of wheat, nutrient uptake (N, P and K) by groundnut and wheat, soil fertility (organic carbon, available N and P), net returns and B:C ratio over chemical fertilizer to both the crops. Farm waste incorporated in soil did not show direct effect on groundnut, however produced residual effect on wheat by improving soil fertility in comparison to chemical fertilizers.
Keywords: Groundnut, Wheat, Compost, Fertilizer