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目前,对大田作物产量估测,多在收获前进行。在大豆科研工作和生产实践中,要求将对作物的产量估测,前移到作物生育中期进行。这样不仅可做到早期心里有数,还可依据估测结果及作物长势,采取必要管理措施,达到进一步增产目的。 农作物生物产量90—95％是通过光合作用制造的有机物质积累起来的。其经济产量的高低一方面取决于光合产物的总量,另方面也决定于光合产物向子实器官转化的经济系数。
Currently, estimates of field crop production are mostly taken before harvest. In soybean scientific research and production practice, it is required that the crop yield estimation be advanced to the middle stage of crop growth. In this way, not only can we know what’s going on early, but we can also take the necessary management measures based on the estimation results and crop growth to achieve the purpose of further increasing production. Crop Biomass 90-95% is accumulated by organic matter produced by photosynthesis. The economic output depends on the one hand, the total amount of photosynthetic products, the other is also determined by photosynthetic products to the real organ transformation economic coefficient.