表1试验处理与施肥量（公斤亩）

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1、表1试验处理与施肥量（公斤/亩）处理编号2000200120012002NP2O5K2ONP2O5K2ONP2O5K2ONP2O5K2O1CKCK82482.54280080082082.5038408405.10.5535.11.43480480410.90.55310.91.4350448445.13.4535.13.63684482410.93.45310.93.6378844441221122.518444124442142.519124404484184110   84480181111      82282.5212      000000表2供试土壤理化性状土壤有机质全氮

2、全磷全钾有效氮有效磷有效钾pH质地g/kgmg/kg 黄泥土（2000年小麦）9.5000.4350.851/157.5927.6沙壤黄泥田（2000年水稻）21.6300.8260.923/6512.1838.2轻粘黄泥大土田（2001年小麦）40.1601.9600.837/13316.01588.2重壤黄泥田（2001年水稻）14.4001.0000.72019.470662.01107.8中偏重壤黄泥大土田（2001年水稻）19.8001.2300.78022.4801123.0756.6重壤大土泥田（2002年小麦）13.2000.8400.580/628.0746.3重壤表

3、3氮、磷、钾配比对小麦、水稻产量的影响单位：公斤土壤项目处理12345678910黄泥土2000年小麦亩平49.69198.75216.85203.12563.75223.75218.125206.875198.75 比CK增粮 149.06167.15153.43514.06174.06168.435157.185149.06 比CK增产(%) 300.0336.5308.828.3350.3339.0316.3300.0 每公斤NP2O5K2O增粮 9.3152.2650.545      施肥效益(元/亩) 59.2961.1558.18-3.1361.1952.1258.074

4、5.05 黄泥田2000年亩平180325325.625300.625191.25342.5333.125320.625363.75 水稻比CK增粮 145145.625120.62511.25162.5153.125140.625183.75 比CK增产(%) 80.5680.9067.016.2590.2885.0778.13102.08 每公斤NP2O5K2O增粮 9.0650.08-3.045      施肥效益(元/亩) 38.5732.3027.41-5.8934.7525.1732.1737.12 黄泥大土田2001年小麦亩平90.625130202.5136.87520

5、2.5178.125185160135.625203.125比CK增粮 39.375111.87546.25111.87587.594.37569.37545.0112.5比CK增产(%) 43.45123.4551.03123.4596.55104.1476.5549.66124.14每公斤NP2O5K2O增粮 2.469.0650.855      施肥效益(元/亩) 8.8335.708.8832.5824.6129.178.3911.1020.87小麦、水稻氮磷钾配比回归试验分析结果表4配方施肥的经济分析土壤RNP2O5K2O预计产量（公斤/亩）肥料投资（元/亩）纯收入（元/亩

6、）黄泥田2001年水稻 15.7652.122.115338.858.4534.960.56.6152.102.08344.959.2535.5607.4652.082.05349.310.0535.76-0.58.3152.062.015351.6510.3535.56-19.1652.041.985352.8011.6534.96黄泥大土2001年水稻 1-26.3255.904.455320.40-18.679.160.5-16.9054.8953.685381.40-10.6515.170-7.4903.8952.92424.95-2.6417.17-0.51.9252.892

7、.155451.105.3615.17-111.341.891.39459.813.389.16大土泥田2002年水稻19.3551.7052.42200.1514.5423.230.513.4252.6354.54240.8021.7428.63017.4953.576.66269.85528.9430.43-0.521.5654.508.78287.2036.1328.63-125.6355.43510.9293.0543.3423.23表