Comparative study of different cultivation systems of black soybean on ultisol land
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Abstract
The study demonstrated that soybean growth and yield under water-saturated conditions differed significantly from those under conventional cultivation systems. In addition, the root physiology and anatomy of soybeans grown under water-saturated conditions also showed significant differences compared to those under conventional systems. The average plant height of soybeans under water-saturated conditions was 47.67 cm, compared to 40.13 cm under conventional conditions. Similarly, the number of soybean pods was higher under water-saturated conditions (121.40 g) than under conventional systems (84.13 g). The dry shoot weight and dry root weight were also significantly greater under water-saturated conditions (24.07 g and 5.07 g, respectively) than under conventional conditions (16.93 g and 1.70 g, respectively). These findings highlighted the importance of water-saturated cultivation systems in enhancing soybean growth and yield on Ultisol.
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