The paper summarizes the suitable types of crop raised-bed planting for different areas and the improvement of the soil system.
综述了适宜不同类型区土地的垄作栽培模式,及垄作对土壤系统的改良、个体生长发育的促进和作物产量品质的提高等作用,并提出了需进一步研究的问题。
Particles in dam system soil are component mainly of silt, and its amount account for 66～70 percent in the soil.
坝系土壤粒径均以粉粒为主，含量占土壤的６６％～７０％。
Effects of Cadmium Mercury on Soil Enzyme Activities in Soil and Soil-Greengrocery Systems;
Cd、Hg污染对土壤及青菜—土壤系统土壤酶活性的影响
Study on Nitrogen Retention in Riparian Vegetation System
河岸植被土壤系统对氮素削纳的研究
Study on Soil Respiration and Soil Carbon Cycle of Different Terrestrial Ecosystem;
陆地不同生态系统土壤呼吸及土壤碳循环研究
Experimental study on ground temperature variation characteristics of a ground-sink direct cooling system
自然冷源土壤直接供冷空调系统土壤温变特性
Numerical Simulation of the Adhesion Interface System between Soil and Bulldozing Plate
土壤/推土板界面粘附系统的数值模拟
Relationship between Soil Enzymatic Activities and Nitrogen Removal in Soil Infiltration Treatment System
土壤渗滤系统中土壤酶活性与系统脱氮效果的关系研究
The Experimental Studies on Water Relations of Soil-Plant System;
土壤—植物系统水分关系的试验研究
Comparison Study on Soil Infiltration Characteristics in Red Soil Slope Ecosystems
红壤坡地生态系统土壤入渗特征比较研究
The significance of ecological system trace fossils--Palaeosol
生态系统痕迹化石——古土壤的研究意义
Application of Grey System Theory in the Prediction of Soil Acidification.
应用灰色系统理论预测土壤酸化趋势
Bioavailability of Iodine in Soil-plant System;
碘在土壤-植物系统中的生物有效性
Studies On Interaction Of Cadmium And Phosphorus In Soil-Plant System;
土壤—植物系统中镉磷交互作用研究
A Primary Study on Mercury in Soil of Different Agricultural Ecosystems;
不同农田生态系统土壤汞的初步研究
Study on Transfer and Transform of Iodine in Soil-Crop System;
土壤—作物系统中碘的迁移转化研究
Design of Soil Parameter Monitoring System of Digital Agriculture Platform;
数字农业平台土壤参数监测系统设计
Study on Three Set of Test Systems for Tiny Soil Adhesion;
三套微小土壤粘附力测试系统的研究
The Design of Web-Based Orange Planting Expert System and WebGIS-Based Soil Resource;
网络柑橘专家系统和土壤资源WebGIS研制
Effects of Bt Transgenic Rice on Soil Ecosystem;
转Bt基因水稻对土壤生态系统的影响