Effects of micronutrients on growth and yield of soybean (Glycine max L.)
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Date
2017-08-18
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Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani
Abstract
A field experiment entitled “Effects of micronutrients on growth and yield of soybean (Glycine max L.)” was conducted during kharif 2016 at Instructional Farm, Department of Agriculture Botany, Vasantrao Naik Marathwada Agriculture University, Parbhani. The experiment was laid out in randomized block design with three replications and ten treatments. The micronutrients, sulphur (22.22, 33.33 and 44.44 kg/ha), boron (11.11, 16.66 and 22.22 kg/ha), and zinc (1.111, 1.481 and 1.851 kg/ha) concentrations were applied as soil application at 30 DAS.
Application of micronutrients (sulphur, boron and zinc) increased the plant height. The number of branches increased significantly with micronutrients. The micronutrient treatments significantly increased number of leaves, leaf area, leaf dry weight, dry weight of stem with pod, total dry weight and days to 50% flowering. The growth parameters viz., AGR, RGR, NAR, and LAI increased significantly due to micronutrients application.
Biochemical parameters viz., total chlorophyll content (50.15%), protein (42.00%) and oil content (21.00%) were significantly higher with the application of boron (22.22 kg/ha). The number of pods per plant, number of grains per plant (70.33 ), seed yield per plant (8.44 g), seed yield per plot (0.832 kg), seed yield per hector (33.00 q), hundred seed weight (12.00 g), straw per plant (18.56 g) and harvest index (45.50 %) increased significantly due to micronutrients application at concentration (boron 22.22 kg/ha). The application of boron (22.22 kg/ha) recorded significantly highest seed yield in the soybean genotype MAUS-158.
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