Methane fluxes from late rice and single cropping rice fields in Taihu region were measured using closed chamber method in 1992 and 1993 and CH4 emission from t
A greater part of water-soluble organic substances,accounting for 60-70% of the total,could be adsorbed by soils,which included strongly and weekly reducing sub
The phosphate in the soil-root interface zone under various soil water contents and application rates of phosphate was still of depletion distribution which cou