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土壤是农作物赖以生长发育的基本条件之一,是人们从事农业生产的一种不可缺少的重要自然资源。古往今来的哲学家和科学家们都承认农业对土壤的特殊依赖性。在我国近年的典籍上,土壤做为农业种植业中增产措施的基础,曾被独尊为农业中所谓“八字宪法”之首位。植物病理学家们在肯定土壤对于农作物生长发育所起的基本作用的同时,也看到了土壤还为农作物的若干传染性病害的各种病原物(真菌、细菌和线虫以及少数所谓“土传病毒”等)提供了贮藏的场
Soil is one of the basic conditions for crop growth and development. It is an indispensable and important natural resource for people to engage in agricultural production. Throughout the ages, philosophers and scientists have recognized the special dependence of agriculture on soils. In the books of our country in recent years, the soil, as the basis of stimulation measures in agricultural planting, was the first place in the so-called “eight-character constitution” in agriculture. Plant pathologists, while affirming the basic role of soils in crop growth and development, have also seen that the soil is also responsible for a number of infectious diseases (fungi, bacteria and nematodes) and a few so-called “soil-borne viruses ”Etc.) provides a storage field