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构成甘蔗产量的因素是单位面积上的有效茎数和一茎重,前者是群体,后者是个体。在甘蔗生长过程中,存在着生长、发育和环境条件的矛盾,群体与个体之间,个体与个体之间的矛盾,表现了互相抑制和互相促进的关系。它们之间分布均匀,每株都有一定营养空间,能够经济地利用土壤中的水份和养份以及充分利用阳光,制造更多的干物质,因而获得了增产。如果下种过疏或过密,就会浪费地方或营养空间不够,通风透光不良,相对地降低同化
The factors that make up sugarcane production are the number of effective stalks and the weight of a stalk per unit area, the former being the population and the latter being the individual. In the process of sugar cane growth, there are contradictions between growth, development and environmental conditions, between groups and individuals, between individuals and individuals, showing the relationship between mutual restraint and mutual promotion. They are evenly distributed and each plant has some room to grow, yielding more production by economically utilizing the water and nutrients in the soil and by making full use of the sun to create more dry matter. If the next sparse or too dense, it will waste local or nutrient space is not enough, poor ventilation and ventilation, relative to reduce the assimilation