The growth, early bolting, yield of Angelica sinensis and its content and components of essential oils in the high, middle and low mountain of Guan Shan in Long Xian were discussed.
本文对关山高、中、低山当归的生长、早期抽苔、产量和挥发油含量及其主要成分进行了研究。
High rice yield was contributed by ideal rice architecture greatly, and flag leave Angle was one of the most important components of the ideal rice architecture, which effects rice yield gaining.
理想水稻株型的选育与高产育种密切相关，而剑叶角度则是构成水稻理想株型的重要指标之一，同时也是影响水稻产量的重要因素。
HYV is required to possess higher photosynthetic efficiency and respond to high rates of nitrogen fertilizer and resist to lodging as well as maximize yield components.
高产品种要具备高光合效率、高施氮量的反应、倒伏并使产量构成因素最大化。
HYV is required to possess higher photosynthetic efficiency and respond to high rates of nitrogen fertilizer and resist to lodging as well as maximize yield components.
高产品种要具备高光合效率、高施氮量的反应、倒伏并使产量构成因素最大化。
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