basic soil

基本解释

Soil water movement parameters are necessary for the solution of the basic soil water movement equation.
土壤水分运动参数是求解土壤水分运动基本方程的基础。
Basic soil properties, phospholipid fatty acid(PLFA), acid(alkaline)phosphatase activities and soil microbial biomass C or N(SMB-C or N)were measured.
研究不同磷肥处理农田黑土基本理化性质、磷脂脂肪酸、酸（碱）性磷酸酶、微生物量碳或氮等变化规律。
Based on the three periods, some basic soil erosion models in the world are described, and the development process of models abroad are given a brief account.
介绍了世界上一些基本的土壤侵蚀模型，从而概述国外土壤侵蚀模型的发展过程。