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Ratnāgiri, India

Thorave D.S.,Agricultural Technical School | Dhonde M.B.,Post Graduate Institute
Ecology, Environment and Conservation | Year: 2011

The field experiment was conducted during summer season of 2005 to find out the productivity and profitability as influenced by integrated nutrient management in summer groundnut (Arachis hypogaea L.). The results revealed that the combined application of inorganic fertilizer and organic manure recorded favourable effects on productivity and profitability of summer groundnut. The application of 75 per cent N through inorganic fertilizer plus 25 per cent N through vermicompost or FYM found beneficial proposition for achieving higher productivity and profitability of summer groundnut. © EM International. Source


Thorave D.S.,Agricultural Technical School | Dhonde M.B.,Post Graduate Institute
Ecology, Environment and Conservation | Year: 2011

The field experiment was conducted during summer season of 2005 to find out the effect of integrated nutrient management on quality parameters of summer groundnut (Arachis hypogaea L.). The results revealed that the combined application of inorganic fertilizer and organic manure recorded favourable effects on the quality of summer groundnut. The application of 100 per cent GRD (25:50:00 kg ha-1 plus 5 t FYM ha-1) recorded the highest kernel yield, oil yield, protein yield, oil content and protein content were 28.26 q ha-1, 14.07 q ha-1, 6.94 q ha-1, 49.82 per cent and 24.56 per cent respectively of summer groundnut. © EM International. Source


Chavan A.P.,Agricultural Technical School | Jain N.K.,Agricultural Technical School | Mahadkar U.V.,Agricultural Technical School
Indian Journal of Agronomy | Year: 2014

A two-year field experiment was conducted during the winter (rabi) and rainy (kharif) seasons of 2010–12 at Deodhe, Ratnagiri (Maharashtra), to study the direct and residual effects of different doses of fertilizers and biofertilizers on yield, nutrient uptake and economics of groundnut (Arachis hypogaea L.)–rice (Oryza sativa L.) cropping system. Increasing dose of fertilizers up to 125% recommended dose of fertilizers (RDF) significantly increased pod yield by 79.7% and haulm yield by 63.3% of groundnut over the control. Uptake of N, P and K by groundnut also improved significantly with successive increase in doses of fertilizers up to 125% RDF. Succeeding rice showed significant response to residual fertilizer levels up to 100% RDF in grain yield and up to 125% in straw yield and registered 16.9 and 25.4% increase over the control, respectively. The N, P and K uptake by succeeding rice and total NPK uptake, rice-grain equivalent yield, production efficiency, net returns and benefit: cost ratio in groundnut–rice cropping system also improved significantly with increase in doses of fertilizers up to 125% RDF applied to groundnut. The crop inoculated with biofertilizers (Rhizobium+phosphate-solubilizing bacteria) recorded significantly higher pod (1.74 t/ha) and haulm yields (3.64 t/ha) of groundnut and grain (5.34 t/ha) and straw yields (5.52 t/ha) of succeeding rice over the control. Inoculation of groundnut with biofertilizers significantly increased N, P, K uptake by groundnut and succeeding rice (except N uptake by rice straw) as well as total N, P and K uptake (393.1 kg/ha), rice–grain equivalent yield (9.92 t/ha), net returns (66.8×103 (Formula presented)/ha) and benefit: cost ratio (2.01) in groundnut–rice cropping system over no inoculation. This treatment also recorded the maximum production efficiency of the system (38.8 kg/ha/day). Rice crop responded significantly to each higher level of fertilizer up to 125% RDF (direct) in terms of grain and straw yields as well as N, P and K uptake. Application of 125% RDF to rice recorded significantly higher total N, P and K uptake (447.1 kg/ha), rice–grain equivalent yield (10.89 t/ha), production efficiency (42.6 kg/ha/day), net returns ((Formula presented) 78.3×103/ha) and benefit: cost ratio (2.17) in groundnut–rice cropping system. © 2014, Indian Society of Agronomy. All rights reserved. Source

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