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Author: AGRE, RAJENDRA VASANT ×

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    ThesisItemOpen Access
    EFFECT OF DIFFERENT ORGANIC SOURCES AND BIOSTIMULANTS ON GROWTH, YIELD AND QUALITY OF GREEN GRAM (Vigna radiata L.) DURING SUMMER SEASON IN KONKAN REGION
    (Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli., 2020-09) AGRE, RAJENDRA VASANT; Dahiphale, A. V.; Bhagat, S. B.; Dalvi, V. V.; Prasade, N. N.
    A field experiment was conducted on plot No.74 of “C” block of Agronomy Department Farm, College of Agriculture, Dapoli. Dist. Ratnagiri (M.S.) during summer season of 2020 to study the “Effect of different organic sources and biostimulants on growth, yield and quality of green gram (Vigna radiata L.) during summer season in Konkan region” The experiment was laid out in spilt plot design with three replications which comprising of two main plot treatments and five sub plot treatments. The main plot consisted of two treatments of organic sources viz., Farm yard manure 5 t ha-1 (M1), Vermicompost5 t ha-1(M2) and sub plots consisted five treatments of biostimulants sprayviz., Vasant urja 5 % (B1),seaweed extracts Sargassum wightii 5 % (B2), EM Konkan kelp 5 % (B3), Panchagavya5 %(B4) and water sprayasControl (B5). Thus, there were 10 (ten) treatment combinations. The gross plot size was 4.50 m X 3.60 mand net plot was 4.20 m X 3.0 m. The soil of the experimental plot was uniform, leveled and well drained. It was sandy clay loam in texture, medium in available nitrogen (277.55 kg ha-1) and phosphorus (14.34 kg ha-1), moderately high in available potassium (223.78 kg ha-1), very high in organic carbon (11.47 g kg-1) and slightly acidic in soil reaction (pH 6.53). The foliar spray of biostimulants indicated that with the application of Vasant urja 5 % (B1)to green gram croprecorded maximum value of all growth characters, yield attributing characters, yield, content and uptake of nutrients and quality parameters over the application of the remaining biostimulants. The yield attributing characters viz., total number of podsplant-1, average length of pod, average weight of pods plant-1, number of grains pod-1 and test weight were found to be the significantly higher with incorporation of vermicompost@ 5 t ha-1 (RDN) and foliar application of Vasanturja @ 5 % over rest of the treatment combinations. In respect of seed and stover yield, incorporation of vermicompost @ 5 t ha-1 (RDN) and foliar application of Vasant urja @ 5 % resulted in the higher seed yield, stover yield and total biomass production (kg ha-1). As regard of chemical studies, incorporation of vermicompost@ 5 t ha-1 (RDN)recorded maximum P2O5 and K2O content (%) and uptake (kg ha-1) in grain, stover and total uptake (kg ha-1) by green gram crop. However, N content which was not influenced significantly, In case of biostimulants, Vasanturja @ 5 % recorded maximum N, P2O5 and K2O content (%) and uptake (kg ha-1) in grain and stover, and total uptake (kg ha-1) by green gram crop.The higher post harvest nutrient status of soil available N, and P2O5 was recorded with incorporation of vermicompost @ 5 t ha-1 (RDN). However, availability of K2O was not influenced due to application of the organic sources. In regards the biostimulant sprays, Vasanturja @ 5 % spray resulted in higher postharvest nutrient status of soil available N and K2O. However availability of the P2O5 was not showed any significant difference among the treatment of biostimulants. Treatment combination of M2B1 (vermicompost 5 t ha-1 and Vasanturja 5 %) was significantly higher in recording maximum dry matter production plant-1 and number of root nodulesplant-1at 45 and 60 DAS. It was also noted that, the total number of pods plant-1, average weight of pods plant -1 (g), grain yield (kg ha-1),stover yield (kg ha-1),total biomass production (kg ha-1) and harvest index of green gram was significantly influenced by treatment combination of M2B1 (vermicompost 5 t ha-1 andVasant urja 5 %) over rest of the treatment combination. In case of protein content of grain and stover quality parameters, incorporation of vermicompost @ 5 t ha-1 (RDN) and farm yard manure 5 t ha-1 (M1) did not reach to the level of significance. In case of foliar application of Vasant urja @ 5 % recorded maximum protein content (%) in grain and stover which was on par with the application of B4: Panchagavya (5 %) in green gram crop. In respect of economics, it was observed that the treatment combination M2B1 (vermicompost @ 5 t ha-1 (RDN) + Vasant urja 5 %) recorded maximum grossmonetary returns ha 1 (₹111991), higher net monetary returns ha-1(₹61983) and B: C ratio (2.24). Based on study it is concluded that, combined application of vermicompost@ 5 t ha-1 (RDN) along with the foliar spray of biostimulantVasanturja (5 %) resulted in higher grain yield of (1476kg ha-1) and stover yield of (2853kg ha-1) with higher net monetary returns (₹61983) and B: C ratio (2.24) of summer green gram (cv. TMB 37)comparable to the rest of the treatment combinations. However, conclusion drawn is based on one-year result; trial needs to be repeated for one more year.
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    ThesisItemOpen Access
    EFFECT OF DIFFERENT ORGANIC SOURCES AND BIOSTIMULANTS ON GROWTH, YIELD AND QUALITY OF GREEN GRAM (VignaradiataL.) DURING SUMMER SEASON IN KONKAN REGION
    (Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, 2020-09) AGRE, RAJENDRA VASANT; Dahiphale, A.V.
    A field experiment was conducted on plot No.74 of “C” block of Agronomy Department Farm, College of Agriculture, Dapoli. Dist. Ratnagiri (M.S.) during summer season of 2020 to study the “Effect of different organic sources and biostimulants on growth, yield and quality of green gram (Vigna radiata L.) during summer season in Konkan region” The experiment was laid out in spilt plot design with three replications which comprising of two main plot treatments and five sub plot treatments. The main plot consisted of two treatments of organic sources viz., Farm yard manure 5 t ha-1 (M1), Vermicompost5 t ha-1(M2) and sub plots consisted five treatments of biostimulants sprayviz., Vasant urja 5 % (B1),seaweed extracts Sargassum wightii 5 % (B2), EM Konkan kelp 5 % (B3), Panchagavya5 %(B4) and water sprayasControl (B5). Thus, there were 10 (ten) treatment combinations. The gross plot size was 4.50 m X 3.60 mand net plot was 4.20 m X 3.0 m. The soil of the experimental plot was uniform, leveled and well drained. It was sandy clay loam in texture, medium in available nitrogen (277.55 kg ha- 1) and phosphorus (14.34 kg ha-1), moderately high in available potassium (223.78 kg ha-1), very high in organic carbon (11.47 g kg-1) and slightly acidic in soil reaction (pH 6.53). The foliar spray of biostimulants indicated that with the application of Vasant urja 5 % (B1)to green gram croprecorded maximum value of all growth characters, yield attributing characters, yield, content and uptake of nutrients and quality parameters over the application of the remaining biostimulants. The yield attributing characters viz., total number of podsplant-1, average length of pod, average weight of pods plant-1, number of grains pod-1 and test weight were found to be the significantly higher with incorporation of vermicompost@ 5 t ha-1 (RDN) and foliar application of Vasanturja @ 5 % over rest of the treatment combinations. In respect of seed and stover yield, incorporation of vermicompost @ 5 t ha-1 (RDN) and foliar application of Vasant urja @ 5 % resulted in the higher seed yield, stover yield and total biomass production (kg ha-1). As regard of chemical studies, incorporation of vermicompost@ 5 t ha-1 (RDN)recorded maximum P2O5 and K2O content (%) and uptake (kg ha-1) in grain, stover and total uptake (kg ha-1) by green gram crop. However, N content which was not influenced significantly, In case of biostimulants, Vasanturja @ 5 % recorded maximum N, P2O5 and K2O content (%) and uptake (kg ha-1) in grain and stover, and total uptake (kg ha-1) by green gram crop.The higher post-harvest nutrient status of soil available N, and P2O5 was recorded with incorporation of vermicompost @ 5 t ha-1 (RDN). However, availability of K2O was not influenced due to application of the organic sources. In regards the biostimulant sprays, Vasanturja @ 5 % spray resulted in higher postharvest nutrient status of soil available N and K2O. However availability of the P2O5 was not showed any significant difference among the treatment of biostimulants. Treatment combination of M2B1 (vermicompost 5 t ha-1 and Vasanturja 5 %) was significantly higher in recording maximum dry matter production plant- 1 and number of root nodulesplant-1at 45 and 60 DAS. It was also noted that, the total number of pods plant-1, average weight of pods plant-1 (g), grain yield (kg ha-1),stover yield (kg ha-1),total biomass production (kg ha-1) and harvest index of green gram was significantly influenced by treatment combination of M2B1 (vermicompost 5 t ha-1 andVasant urja 5 %) over rest of the treatment combination. In case of protein content of grain and stover quality parameters, incorporation of vermicompost @ 5 t ha-1 (RDN) and farm yard manure 5 t ha-1 (M1) did not reach to the level of significance. In case of foliar application of Vasant urja @ 5 % recorded maximum protein content (%) in grain and stover which was on par with the application of B4: Panchagavya (5 %) in green gram crop. In respect of economics, it was observed that the treatment combination M2B1 (vermicompost @ 5 t ha-1 (RDN) + Vasant urja 5 %) recorded maximum grossmonetary returns ha-1 (₹111991), higher net monetary returns ha-1(₹61983) and B: C ratio (2.24). Based on study it is concluded that, combined application of vermicompost@ 5 t ha-1 (RDN) along with the foliar spray of biostimulantVasanturja (5 %) resulted in higher grain yield of (1476kg ha-1) and stover yield of (2853kg ha-1) with higher net monetary returns (₹61983) and B: C ratio (2.24) of summer green gram (cv. TMB-37)comparable to the rest of the treatment combinations. However, conclusion drawn is based on one-year result; trial needs to be repeated for one more year.