Comparative Growth Analysis and Yield Performance of Glycine Max under Jatropha Curcas Based Agrisilviculture System of Agroforestry in the Northern Part of Bangladesh
Department of Forestry and Environmental Science, School of Agriculture and Mineral Sciences, Shahjalal University of Science and Technology, Sylhet, Bangladesh 1
This research was conducted at the Agroforestry Research Farm, Hajee Mohammad Danesh Science and Technology University to quantify the effects of pruning height in Jatropha curcas L. (Jatropha) and fertility levels of the recommended dose of NPK in Glycine max L. (Soybean) on crop growth parameters and yield in the agrisilviculture system of Agroforestry. The pruning in Jatropha and fertility level favored growth parameters with varying magnitudes. Six growth indices like CGR, RGR, NAR, LAI, RLGR, and SLW were observed to be higher under various pruning heights and reduced under no pruning. After that, scale of yield varied with pruning heights and fertility levels. Grain, straw and biological yield of 100 cm pruning height in Jatropha increased by 15.38 %, 13.74 % and 14.61 % respectively in comparison to sole crop and other pruning height level. At that time, I showed that these three yields of 100 % of the recommended dose of NPK (100 % RDF) in Soybean are comparatively higher than other fertility level. Hence, proper pruning system and optimum fertility level are important for improving Soybean yield under Jatropha based agrisilviculture system and it ensures higher income to the farmers and efficient land management compared to its sole cropping.
Contribution/ Originality
This study is one of very few studies that are important for improving Soybean yield under Jatropha based agrisilviculture system than in sole cropping systems and it has the potential to develop the socioeconomic conditions of farmers.
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