一、什么是土壤结构土壤是由无数土壤颗粒组成的。这许许多多的土壤颗粒并不是彼此孤立、毫不相关地堆积在一起,而往往是受各种作用(如有机质的胶结作用等),形成大小不等、形状不同的土团(或称土壤团聚体),也有没有胶结在一起的单粒。这种不同大小和形状的土壤颗粒 First, what is the soil structure The soil is composed of numerous soil particles. This vast number of soil particles are not isolated and unrelated to each other, but often are affected by various effects (such as the cementation of organic matter) to form soil masses of different sizes and shapes Aggregates), there is no single grain of cement together. This different size and shape of the soil particles