PJB-2018-496
EFFECT OF NATURAL SAFE ROCK MINERALS ON BIOMETRIC PARAMETERS, YIELD AND QUALITY OF RICE (Oryza Sativa) IN RICE-WHEAT CROPPING SYSTEM
YV SINGH
Abstract
A field experiment was conducted during 2016-2017 at the research farm of ICAR-Indian Agricultural Research Institute, New Delhi, India. Treatments involved two rice (Oryza sativa) establishment method (aerobic rice and transplanted rice) and six crop nutrition levels on rice-wheat sequence and replicated thrice. Crop nutrition levels were: 100% RDF (No SRM (safe rock mineral) application), only SRM application @ 250 kg/ha, SRM application @ 250 kg/ha + 50% RDF, SRM application @ 250 kg/ha + 100% RDF, SRM application @ 250 kg/ha + 50% RDF (Chemical) + 25% RDF (Organic-FYM) and SRM application @ 250 kg/ha + 50% RDF (Organic-FYM). On average transplanted rice recorded better results in terms of plant growth, yield and quality parameters of rice compare to aerobic rice. The treatments having different nutritional levels of SRM significantly improved the productivity of rice and succeeding wheat crop in both the years. Among nutrient management practices, highest growth, yield and yield attributes of rice were obtained with the application of SRM application @ 250 kg/ha + 100% RDF and it was followed by No SRM application + 100% RDF, SRM application @ 250 kg/ha + 50% RDF (Chemical) + 25% RDF (Organic-FYM) and SRM application @ 250 kg/ha + 50% RDF (Organic-FYM). Nutrient management with SRM application increased protein content significantly in grain, while all other quality parameters remained unaffected in rice plants under both establishment methods. In conclusion, SRM showed differential response in increasing production and quality of rice by regulating different growth, yield and physiochemical parameters.
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