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1、形成100kg经济产量所吸收的养分量（kg）中等肥力百公斤产量施肥 量（kg）亩产 (kg)高肥力施肥量（kg/亩）中肥力施肥量（kg/亩）低肥力施肥量（kg/亩）作物收获物NP2O5K2ONP2O5K2ONP2O5K2ONP25K2ONP2O5K2O水稻籽粒2.251.252.702.11.41.160010.06.75.41258.36.815.010.08.1冬小麦籽粒3.001.252.502.21.21.04508.04.33.81005.44712.06.45.6春小麦籽粒3.001.002.502.51.11.04509.04.03.81135.04713.56.05.6大麦籽粒
2、2700.902.202.00.90.95008.03.43.71004.34612.05.15.5玉米籽粒2570.862.142.41.10.95009.54.63.611.95.74.514.36.95.4谷子籽粒2.501.251.752.31.20.75009.34.82.91166.03.613.97.14.4高粱籽粒2.601.301.302.41.20.55009.65.02.212.06.22.714.47.43.3甘薯鲜块根0.350.180.550.30.20.2400010.45.57.31306.99.215.68.211.0马铃薯鲜块根0.500.201.060.5
3、0.20.4300011.14.610.61395.713316.76.915.9大豆豆粒7.201.804.002.21.71.73005.34.14.06.75.15.08.06.26.0豌豆豆粒3.090.862.861.10.81.25004.63.34.85.74.16.06.94.97.2花生荚果6.801.303.802.11.21.63505.93.54.47.34.35.58.85.26.7棉花籽棉5.001.804.004.61.71.72509.33.43.31164.34.213.95.15.0油菜菜籽5.802.504.305.42.41.82008.63.82.91
4、074.83.612.95.74.3芝麻籽粒8.232.074.417.62.01.81509.12.42.211.43.02.813.73.53.3烟草鲜叶4.101.006.002.71.04.02004.41.56.45.51.9&06.62.39.6大麻纤维8.002.305.007.42.22.130017.85.35.022.26.66.326.77.97.5甜菜块根0.400.150.600.40.20.420007.12.76.48.93.38.010.74.09.6甘蔗茎0.190.070.300.20.10.250008.43.18.01063.910.012.74.712
5、.0黄瓜果实0.400.350.550.40.50.4400014.214.911.717818714.721.322.417.6架云豆果实0.810.230.680.90.30.5200014.44.97.31&06.19.121.67.410.9茄子果实0.300.100.400.30.10.320005.32.14.36.72.75.38.03.26.4番茄果实0.450.500.500.50.70.3350014.018.79.317523311721.028.014.0胡萝卜块根0310.100.500.30.10.3400011.04.310.71385.313316.56.416
6、.0萝卜块根0.600.310.500.70.40.3300016.09.98.020012.410.024.014.912.0卷心菜叶球0.410.050.380.50.10.325009.11.35.111.41.76.313.72.07.6洋葱葱头0.270.120.230.30.20.2600014.47.77.41809.69.221.611.511.0芹菜全株0.160.080.420.20.10.350007.14.311.2&95.314.010.76.416.8菠菜全株0.360.180.520.40.20.3400012.87.711.11609.613919.211.51
7、6.6大葱全株0.300.120.400.30.20.330008.03.86.41004.88.012.05.89.6大蒜蒜头2701.002.002.00.950.83120019.29.18.024011.410.028.813.712.0柑桔（温州 蜜桔）果实0.600.110.400.70.10.3350018.74.17.52335.19.328.06.211.2苹果（国 光）果实0.300.080.320.30.10.235009.33.06.011.73.77.514.04.59.0梨（廿世 纪）果实0.470.230.480.50.30.3350014.68.69.01831
8、0.711221.912.913.4柿（富有）果实0.590.140.540.70.20.4300015.74.58.619.75.610.823.66.713.0葡萄（玫瑰 露）果实0.600.300.720.70.40.5400021.312.815.426716.019232.019.223.0桃（白凤）果实0.480.200.760.50.30.5400017.18.516.221310.720.325.612.824.3注：1一般大田作物包括相应的茎、叶等营养器官的养分数量;2块根、块茎、果实均为鲜重，籽实为风干重；3大豆、花生等豆科作物主要借助根瘤菌固定空气中的氮素，从土壤中吸收的氮素仅占三分之一左右。
