ON THE AMELIORATION OF CITRUS ORCHARD SOILS IN THE RED SOIL HILLY LANDS OF SOUTH CHINA
红壤丘陵山地柑桔园土壤熟化问题的初步探讨

The amelioration of the red soil Citrus Orchard is fundamental to the production of high quality as well as total production of fruits Comprehensive cultural practices including soil consevation, proper cover-cropping and suitable orchard soil management are condusive to soil amelioration. Soil amelioration involves several marked changes both in physical and chemical properties in the soil of these orchards. The degree of change of properties varies positively with the length of periods the orchards soils ...