Effects of nitrogen and phosphorus addition on soil phosphatase activity in different forest types Soil Phosphatase Activity,P Fractions and Their Relationships in the Rhizosphere of Chinese Fir Juvenile Plantation Comparison of soil acid phosphatase activity determined by different methods THE EFFECT OF PHOSPHORUS DEFICIENCY STRESS ON ACTIVITIES OF ACID PHOSPHATASE IN DIFFERENT CLONES OF CHINESE FIR Enzyme activities variation in flooded soils amended with Bt transgenic rice straws at different stages of plant development Comparative genetic analysis of Arabidopsis purple acid phosphatases AtPAP10, AtPAP12, and AtPAP26 provides new insights into their roles in plant adaptation to phosphate deprivation CHANGES OF RNase AND ACID PH0SPHATASE IN COMMON WHEAT UNDER PHOSPHORUS DEFICIENCY STRESS Interactive influence of nitrogen and phosphorus application rate on wheat yield in North Henan, China The Succession of Various Types of Phosphorus, Phosphatase Activity, and the Relationship with the Tree Growth in Larch Plantations Influence of Puccinellia tenuiflora on Phosphorus Nutrition of Alkaline Soil The effect on phosphorous nutrition in alkali soil by different ameliorative ways