| 测土配方施肥技术的应用研究 |
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| 引用本文： | 梁永红.测土配方施肥技术的应用研究[J].金陵科技学院学报,1995(4). |
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| 作者姓名： | 梁永红 |
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| 作者单位： | 南京农业专科学校园艺系 南京 |
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| 摘 要： | 通过测定南京地区马肝土、红淤土、黄土等土壤的养份含量,根据养分平衡施肥估算法,得出水稻在马肝土上的目标产量施肥量是N 99.0 kg/hm~2、P_2O_561.5 kg/hm~2、K_2O 64.5 kg/hm~2,N:P_2O_5:K_2O为1:0.62:0.66;小麦在江淤土上的目标产量施肥量是N 106.5 kg/hm~2、P_2O_2 79.5 kg/hm~2、K_2O 43.5 kg/hm~2,N:P_2O_5:K_2O为1:0.75:0.40;玉米在江淤土上的目标产量施肥量是N 114 kg/hm~2、P_2O_5 49.5 kg/hm~2、K_2O 42 kg/hm~2,N:P_2O_5:K_2O为1:0.44:0.37。在配施有机肥的基础上,可以不再施用化学钾肥。
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| 关 键 词： | 配方施肥 养份平衡 估算法 目标产量施肥量 |
STUDY ON SOIL DETERMINATION AND PRESCRIPTION FERTILIZATION AND ITS APPLICATION |
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| Liang Yonghong.STUDY ON SOIL DETERMINATION AND PRESCRIPTION FERTILIZATION AND ITS APPLICATION[J].Journal of Jinling Institute of Technology,1995(4). |
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| Authors: | Liang Yonghong |
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| Abstract: | Magan soil (one kind of paddy soil) , Warp soil and Loess are three main kinds of soils in the area of Nanjing. Through determining their nutrient capacity and using the method of estimating the ampunt of fertilizer applied nutrient balance, we have obtained the following 3 results; the optimal amount of fertilizer of the rice is N 99kg/hm2, P2O561. 5kg/hm2, K2O64. 5kg/hm2 on Magan soil with the fertilizer ratio of N, P2O5, K2O about 1 : 0. 62: 0. 66; the optimal amount of fertilizer of the wheat is N106kg/hm2, P2O5 79. 5kg/hm2, K2O 43. 5kg/hm2 on Warp soil with the fertilizer ratio of N, P2O5, K2O about 1 : 0. 75 : 0.4; the optimal amount of fertilizer of the corn is N 114kg/hm2, P2O5 49. 5kg/hm2,K2O42. 0kg/hm2 with the fertilizer ratio of N, P2O5, K2O about 1 : 0. 75 : 0. 4; the optimal amount of fertilizer of the corn is N 114kg/hm2, P2O5 49. 5kg/hm2, K2O 42. 0kg/hm2 with the fertilizer ratio of N, P2O5, K2O about 1 : 0. 44 : 0. 37. The potassium fertilizer may not be used any more on the basis of combined organic manure. |
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