GROWTH AND PRODUCTIVITY OF RABI GROUNDNUT AFTER THIRTEEN DOUBLE CROP CYCLES UNDER ORGANIC NUTRIENT MANAGEMENT


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Authors

  • J.D. SARITHA, S. SRIDEVI, M. VENKATA RAMANA, T. RAMPRAKASH and D. SRINIVASA CHARY

Abstract

A field experiment was carried out at College of Agriculture, Rajendranagar, Hyderabad during two consecutive rabi seasons of 2016-17 and 2017-18 to evaluate six different nutrient management practices in randomized block design with four replications. The experimental soil was non-saline, neutral in reaction with sandy loam texture. Prior to conduct of this experiment,
the field was under a long term study which was conducted to know the effect of organic, inorganic and integrated nutrient management practices on maize-onion cropping system since kharif, 2003-04 to 2014-15. Results revealed that significantly higher plant height, dry matter production at vegetative, flowering and harvest stages along with higher pod (3053 kg ha-1) and haulm yield (5228 kg ha-1) was recorded with application of 50% N through farm yard manure + 50% N through chemical fertilizers. Application of 100% nitrogen through organics like farm yard manure, neem cake and vermicompost along with biofertilizers like rhizobium and PSB and application of 100% recommended NPK through chemical fertilizers also recorded comparable yield and drymatter. Significantly lower plant height (18.80 cm), dry matter production (6243 kg ha-1) at harvest stage along with lower pod yield (2230 kg ha-1) and haulm yield (4228 kg ha-1) was recorded in the treatment which received 50% N through FYM + Biofertilizers for N, Rock phosphate for P and PSB at vegetative (1000 kg ha-1), flowering (2712 kg ha-1) and harvest (6243 kg ha-1) stages than the rest of the treatment. No significant differences in the harvest index of the crop were recorded among different nutrient management practices.

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Submitted

2021-12-07

Published

2021-12-07

How to Cite

T. RAMPRAKASH and D. SRINIVASA CHARY, J. S. S. S. M. V. R. (2021). GROWTH AND PRODUCTIVITY OF RABI GROUNDNUT AFTER THIRTEEN DOUBLE CROP CYCLES UNDER ORGANIC NUTRIENT MANAGEMENT. The Journal of Research, PJTSAU, 49(3). Retrieved from https://epubs.icar.org.in/index.php/TJRP/article/view/118806

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