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土壤与作物营养诊断,是植物外部形态营养诊断的提前预测,也是作物生长季节进行追肥的一种测试手段,包括作物播前土壤的供肥水平和生长季节土壤、植株体内营养状况的分析。所以,通过诊断可给合理施肥,及时追肥提供依据。营养诊断从三十年代开始采用磁板点滴反映和植物汁液榨取鉴定法。我国七十年代以来,全国有25个省市先后开展了土壤和植物营养诊断工作,并取得了成果。我们于1976年进
Soil and crop nutrition diagnosis is an early prediction of nutritional diagnosis of plant external morphology. It is also a test method for topdressing crops in the crop growing season, including soil fertility levels of crops before sowing and analysis of nutritional status of soils and plants in growing season. Therefore, the diagnosis can provide reasonable fertilization, provide the basis for timely top dressing. Nutritional diagnosis from the thirties began to reflect the use of magnetic plates and plant juice squeeze identification method. Since the seventies of our country, 25 provinces and cities all over the country have carried out soil and plant nutrition diagnosis work successively and have achieved results. We entered in 1976