purple paddy soil 第1页

EFFECT OF LONG?TERM APPLICATION OF MANURES ON FORMS OF Fe,Mn,Cu AND Zn IN PURPLE PADDY SOIL Effect of nitrogen application and rice cultivars on forms of potassium in different purple paddy soils Effect of tillage systems on light fraction carbon in a purple paddy soil Organic carbon mineralization affected by water content and plant residues in purple paddy soil Long-term tillage effects on soil organic carbon and microbial biomass carbon in a purple paddy soil