RESIDUAL EFFECT OF BIOCHAR ON YIELD OF CHICKPEA AND SOIL PROPERTIES GROWN AFTER MAIZE IN VERTISOL.
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Date
2022-12-09
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Dr. Panjabrao Deshmukh Krishi Vidyapeeth Akola, Maharashtra
Abstract
The field experiment was conducted to study “Residual effect of biochar on yield of chickpea and soil properties grown after maize in vertisol”, during Rabi season 2021-2022 at Research Farm, Department of Agronomy, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola. The experiment was laid out in Randomized Block Design with eight treatments and three replications. The objectives were to study the residual effect of biochar on soil properties, uptake of nutrients, yield and quality of chickpea as well as its residual response for increasing carbon in soil. The treatments comprised of unfertilized control, chemical fertilizer alone and their combinations with different doses of biochar. The soil of experimental site was medium black belongs to Vertisol and alkaline in reaction. The soil and plant samples were collected and analyzed for their different properties. Grain yield of chickpea, total uptake of nitrogen, phosphorus and potassium and quality parameters like test weight and protein content were also significantly increased due to application of 100% RDN (Biochar @ 5 t ha-1 applied in kharif season). Soil physical properties viz. bulk density was reduced with the application of 100% RDN and was non-significant. Water holding capacity was significantly increased with application of 100% RDN (Biochar @ 5 t ha-1 applied in kharif season). Available NPK after harvest of chickpea were significantly increased due to application of 100% RDN. Proper plant nutrition is an important factor for improving yield and quality of agricultural production. Use efficiency of N was found maximum with application of 75% RDN and use efficiency of P and K were recorded maximum with application of 100% RDN (Biochar @ 5 t ha-1 applied in kharif season) over remaining treatments. From this study it can be concluded that, soil application of 100% RDN + Biochar 5 t ha-1 for kharif maize and 75% RDN for rabi chickpea were favourably influenced the physical and chemical properties of soil, uptake of nutrients, yield and quality of chickpea as well as slight improvement in soil fertility status was observed.
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BHUKYA, MAHESWARI. (2022). Residual effect of biochar on yield of chickpea and soil properties grown after maize in vertisol. Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra. M. Sc. Print, xii, 82p. (Unpublished).