HOME BACK FORWARD PRINT SEARCHHELPEXIT INTRODUCTION Maior soils of the world ORGANIC SOILS Mineral soils World reference base for soil resources: Atlas
Introduction to Soil Science By Genxing Pan Department of Soil Science,& Inst. Resources, Ecosystem& Environment of Agriculture (IREEA) www.ireea.kyjg. njau.edu.cn
Sectionl Concept of soil tillage and basic manipulation Concept of soil tillage Tillage- The mechanical manipulation of the soil profile for any purpose