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在农业生产中,土壤和作物的营养诊断和医学上的临床化验诊断一样,在播种前通过土壤养分的速测,可以大致摸清不同田块土壤速效养分的基本数量及其供应养分的能力,作为作物布局、轮作倒茬、肥料合理分配、经济用肥以及以产定肥、按地投肥、科学用肥的参考;在作物生长期间,结合观察作物的外部形态,进行作物组织及土壤养分的速测,可以及时地了解作物
In agricultural production, soil and crop nutrition diagnosis and medical clinical laboratory diagnosis, as measured by soil nutrients before sowing can roughly find out the basic amount of soil available nutrients in different plots and their ability to supply nutrients, As crop layout, crop rotation, rational distribution of fertilizer, economic fertilizer and fertilizer production, according to fertilizer, scientific and fertilizers reference; during crop growth, combined with the observation of the external shape of crops, crop tissue and soil nutrients Quick test, you can learn about crops in time