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马克思列宁主义教导我们,世上的任何事物都包含着矛盾;不仅一事物的本身具有矛盾,事物与事物之间亦存在着矛盾。由于事物内部的矛盾运动以及一切事物之间的矛盾运动,推动了世界上一切事物的发展。由此可知,土壤既有自身的矛盾,同时与农作物之间亦存在着很多矛盾。人类的农业技术措施就是为了统一这些矛盾。 (一) 在土壤的发展过程中,土壤的内部存在很多矛盾,例如土壤内部空气与水分的矛盾,水分与土温的矛盾等等。由于矛盾着的各方面的联系和斗争,推动了矛盾的发展,产生了土壤的发育。当然,土壤的矛盾运动,以其外围环境为条件的。土壤的外围环境是很复杂的,土壤的内部矛盾即在这样复杂的影响下进行它自己的特殊的运动,从而按照一定的规律,向着一定的方向发展。所以
Marxism-Leninism teaches us that anything in the world contains contradictions; not only one thing has its own contradiction, but also a contradiction between things and things. Due to the contradictory movement within things and the contradictory movement among all things, everything in the world has been promoted. This shows that the soil has its own contradictions, while there are also many contradictions between crops. Human agricultural technology measures are to unify these contradictions. (A) There are many contradictions in the soil during the development of the soil, such as the contradiction between air and water in the soil, the contradiction between moisture and soil temperature, and so on. Because of the contradictions in all aspects of the contact and struggle, promote the development of contradictions, resulting in soil development. Of course, the contradiction of soil movement, with its external environment conditions. The external environment of the soil is very complicated, and the internal contradictions of the soil carry out its own special movement under the influence of such complexity so as to develop in a certain direction in accordance with certain laws. and so