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在生产上,小麦植株在生长发育过程中存在着一系列矛盾:植株的生长发育与环境条件的矛盾,包括与水、肥、土、光、温、空气、病虫灾害等的矛盾;群体发育与个体发育的矛盾,包括群体的大小与个体生长发育的矛盾,个体与个体之间的矛盾,群体的穗、粒、重矛盾;个体内部的矛盾,包括主茎生长与分蘖生长的矛盾,有效分蘖生长与
In production, there are a series of contradictions in the growth and development of wheat plants: the contradiction between plant growth and development and environmental conditions, including the contradictions with water, fertilizer, soil, light, temperature, air, pests and diseases, etc. Population development Contradictions between individual and individual development include contradiction between population size and individual growth and development, contradiction between individual and individual, spike, grain and heavy contradiction of group; internal contradictions, including contradiction between growth of main stem and growth of tiller, are effective Tiller growth and growth