提高土壤肥力水平 处理土壤理化性状变化 处理 有机质/gg」 全N/g kg Total N 全p/gg1 Total P 全gkg1 Total K 总孔隙度/%Total woid Treatments Organie matter 年份Years 增诚制% 年份Years 增减% 年份Years 增减% 年份Yeas增减/% 年份ears 增%19982001 Increasing 1998 2001 Increasing 1998 2001 Increasing 1998 2001 Increasing 19982001 8.827.1 +207.9 0.701.28 +82.9 0.340.77+126.514.9115.30+2.6 52.0854.71 +5.0 8.86.3 -28.40.540.47 -13.0 0.350.31-11.416.9014.73-12.8 54.1351.13 .5.5 9.722.3 +129.9 0.831.05 +26.5 0.410.80+95.115.7316.01+1.8 50.9251.09 +0.3 8.511.5 +35.30.520.61 +17.3 0.310.79+154.815.2916.47+7.750.0056.68+13.4 7.412.7 +71.6 0.600.73 +21.7 0.330.93+181.814.0515.37+9.4 49.5853.21 +7.3 7.615.2+100.00.450.72 +60.0 0.320.46+43.813.7315.51+47.752.4554.34 +3.6 8.114.0 +72.80.630.78+23.80.330.58+75.814.6015.19+4.0 52.5853.03 +0.9 7.06.5-7.10.580.51·12.10.530.36-32.114.0313.13·6.454.1347.18.12.8 果材专业项士生漂程ya⊙2果树专业硕士生课程-yao2 处理土壤理化性状变化 提高土壤肥力水平