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采用土柱载培试验方法研究了有机无机肥料配合施用对冬小麦根系和旗叶衰老的影响，结果表明，有机无机肥料配合施用，有效地降低了根系和旗叶的膜脂过氧化作用，提高了活性氧清除系统的超氧物歧化酶的活性；增强了根系活力，提高根系干重特别是40—100cm土层的根系干重；降低了旗叶光合速率的衰减率，延缓了根系和旗叶的衰老，提高了粒重、生物产量和经济系数，增加了籽粒产量。
The effect of organic and inorganic fertilizers on the senescence of root and flag leaf of winter wheat was studied by soil-borne culture experiment. The results showed that organic and inorganic fertilizers combined effectively reduced membrane lipid peroxidation in root and flag leaves, Active oxygen scavenging system of superoxide dismutase activity; increased root activity, increase root dry weight, especially 40-100cm soil layer dry weight; reduce the decay rate of flag leaf photosynthetic rate, delayed root and flag leaf Of aging, increased grain weight, biological yield and economic coefficient, increased grain yield.