Straw mulched could improve soil granular structure, and increase the content of water-stable aggregates, so the ability of permeability, fertilizer and water conservation got improved.
秸秆覆盖还田促进土壤团粒结构形成，提高了土壤水稳性团聚体含量，从而改善了土壤通透性和保水保肥性。
Red sandstone, distributed along Xiangtan-Leiyang Freeway, rich in clay minerals, possesses two typical structures: muddy structure and granular structure.
分布在湘耒高速公路沿线的红砂岩具有两种基本结构，即泥状结构和粒状碎屑结构，并富含粘土矿物。
Doing so depends on understanding the granular structure of the rock it is trapped in.
要做到这点，人们需要对某些岩石的颗粒结构有所了解，而这些岩石是有石油困于其中的。分。
应用推荐