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Accueil du site → Doctorat → Inde → 2018 → Impact of long term tillage and nutrient Management practices on carbon sequestration, Soil fertility and yield of Sabi Sorghum grown on Vertisol under rainfed conditions

Mahatha Phule Krishi Vidyapeeth,Rahuri (2019)

Impact of long term tillage and nutrient Management practices on carbon sequestration, Soil fertility and yield of Sabi Sorghum grown on Vertisol under rainfed conditions

Kalbhor Himmat Bhaskar

Titre : Impact of long term tillage and nutrient Management practices on carbon sequestration, Soil fertility and yield of Sabi Sorghum grown on Vertisol under rainfed conditions

Auteur : Kalbhor Himmat Bhaskar

Université de soutenance : Mahatha Phule Krishi Vidyapeeth,Rahuri

Grade : Doctor of Philosophy (PhD) 2019

Résumé
Carbon emission and carbon sequestration are the two important environmental phenomena occurring simultaneously at the soil surface which decides the magnitude of C input and output in the surface soil and consequently soil fertility, crop productivity and environmental quality. Since the tillage and nutrient management practices contribute to balance between soil carbon inputs and output, it has become imperative to study the long-term impact of various tillage and nutrient management practices on soil C dynamics and C sequestration in order to improve soil fertility and crop productivity, that to under rainfed semi-arid conditions ; where the extreme weather conditions such as intense solar radiations, increased atmospheric temperature coupled with acute moisture stress conditions are responsible for increased CO2 emissions causing soil fertility deterioration and crop productivity depletion. Since, the soil organic carbon plays a key role in maintaining and improving soil quality in terms of physico- chemical and biological properties, the development and adoption of appropriate tillage and nutrient management practices has became necessary to maintain soil fertility and sustainable crop productivity. With this view, the present investigation entitled, “Impact of long term tillage and nutrient management practices on carbon sequestration, soil fertility and yieldof rabi sorghum grown on Vertisol under rainfed conditions” was undertaken at the Dry Farming Research Station, Solapur during 2014-15 after completion of nine years of a long term study undertaken by AICRP, DLA, Solapur so as to investigate the impact of long-term tillage and nutrient management practices and their interactions on productivity of rabi sorghum in Vertisol soil during 2005-06 to 2014-15. The present experiment was laid down in the Factorial Randomized Block Design with ten treatments and three replications.

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