论文部分内容阅读
利用土壤速测仪测定土壤中营养元素的含量,然后根据测定结果,进行科学的配方施肥,是目前许多农民的愿望。测定结果准确与否,关键在于土壤样品的采集。现将有关事宜汇总如下: 一、采样时间: 采样时间,由测定的目的来决定,①为解决随时出现的问题而进行土壤测定时,应随时采集;②为弄清土壤养分变化和作物丰产的规律,就要按作物生育期定期取样;③以制定施肥计划而进行土壤测定
It is the desire of many peasants to determine the content of nutrients in the soil by using the soil quick tester and then to make scientific formula fertilization according to the determination result. Determination of the accuracy of the results or not, the key lies in the collection of soil samples. The relevant matters are summarized as follows: First, the sampling time: sampling time, determined by the determination of the purpose, ① to solve the problem at any time soil determination, should be collected at any time; ② to clarify the changes in soil nutrients and crop yield Regular, it is necessary to take regular sampling of crop growth period; ③ to develop fertilization program for soil testing