IMPACT OF WATERING LEVELS ON SOYBEAN (Glycine max L.) GROWTH AND PRODUCTIVITY
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Irrigation regimes, vegetative traits, protein, grain, Glycine max L.Abstract
The present investigation was carried out to assess impact of water scarcity conditions on soybean (Glycine max L.) growth and yield. The experiment was done at Faculty of Agriculture, Kabul University, Afghanistan during the period of 2021 and 2022. The experimental farm having an elevation of 1971 meters above mean sea level, the farm is situated at 34°N latitude and 69°E longitude. The experiment consisted of five replications and four treatments according to randomized completely-block design. The treatments included I0 control, I1 (431 mm), I2 (526.9 mm), and I3 (622.7 mm). The characteristics that have been considered were plant height, leaf count, branch count, pod count, length of pod, number of seeds per plant, 100-seed weight, and grain production per hectare. The gathered data were subjected to an analysis of variance (ANOVA) and used the STAR package application. The least significant difference (LSD) with a probability of 5% was employed to compare each treatment. The combined findings of 2021 and 2022 showed that there were some notable variations across the treatments, I3 levels of irrigation represented the best across all variables examined, and have been enough water for the growth and development of soybeans, and enough water around the roots of the plants made enough nutrients available to the plants. This is why there were significant differences between the treatments and I3, which have the best performance.
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