INTERACTION EFFECT OF POTASSIUM AND SULFUR FERTILIZATION ON PRODUCTIVITY AND MINERAL NUTRITION OF SUNNHEMP |
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| Authors: | Suprakash Saha Monidipta Saha Amit Ranjan Saha Sabyasachi Mitra Surja Kumar Sarkar Ashesh Kumar Ghorai |
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| Institution: | 1. Crop Production Division , Central Research Institute for Jute and Allied Fibers, Indian Council of Agricultural Research , Barrackpore , India;2. All India Network Project on Jute and Allied Fiber, Central Research Institute for Jute and Allied Fibers , Indian Council of Agricultural Research , Barrackpore , India |
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| Abstract: | The interactive effect of potassium (K) and sulfur (S) fertilization on productivity and mineral nutrition of sunnhemp (Crotalaria juncea L.) was evaluated in a field experiment during 2008 and 2009 cropping seasons at Uttar Pradesh, India. Potassium and sulfur fertilizers increased fiber yield and nutrient uptake of sunnhemp. It was observed that an application of K and S at 40 kg ha?1 each significantly increased the total dry matter, fiber yield, and nutrient uptake of sunnhemp. The crop yield response to the added S was greater than for K and the nutrient use efficiency was also higher at lower levels of fertilizer addition. The increased levels of K and S improved the number of nodules and crude protein content of sunnhemp leaves. |
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| Keywords: | sunnhemp fiber yield potassium uptake sulfur uptake nutrient use efficiency |
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