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1976年4月组织了一个国际水稻土壤肥力和肥料评价试验网(INSFFER)开展氮肥试验。旨在弄清不同尿素剂型、氮素用量和施肥方法的效应及其相互连应关系,同时栓测氮素在水稻各生育期的有效性。自1979年,我所与国际水稻研究所协作,连续五年参与了该试验网的第三至第七次试验协作,现将我国福州地区的试验结果报告如下: 一、试验材料与方法各年的试验均按国际协作试验网统一设计方案和提供的肥料在我院实验场和福州万里大队试验基地进
In April 1976, an international trial of fertilizers and fertilizers for paddy soils (INSFFER) was carried out to test nitrogenous fertilizers. The purpose is to find out the effects of different urea dosage forms, nitrogen dosage and fertilization methods and their interrelationships, and to test the effectiveness of nitrogen in the different growth stages of rice. Since 1979, in collaboration with the International Rice Research Institute, I participated in the third to the seventh experimental cooperation of the experimental network for five consecutive years. Now, the test results of Fuzhou in our country are reported as follows: I. Materials and Methods Of the tests are based on the international collaborative experimental network design and provide a unified design of fertilizers in our laboratory and Fuzhou Wanli base test base into