用氮素化肥做种肥,我站在连续七年试验、示范和推广基础上,1983年又进一步做了试验,现将试验结果总结如后。一、化肥做种(底)肥,可以壮苗,促进生育抗灾保收几年来,用氮素化肥做种肥的作物,因为有较好的氮肥供应,生育健壮,都有了质的提高和量的增长(见表1)。 Nitrogen fertilizer fertilizer, I stood for seven consecutive years of experiments, demonstrations and promotion on the basis of further tests done in 1983, the test results are summarized below. First, the fertilizer to do the kind of (bottom) fertilizer, seedlings can be strong, to promote reproductive disaster Disaster recovery over the past few years, with nitrogen fertilizer as fertilizer crops, because of better nitrogen supply, reproductive health, have improved the quality and The increase (see Table 1).