Regional differentiation of nutrient balance in Polish agriculture
2001
Igras, J. (Institute of Soil Science and Plant Cultivation, Pulawy (Poland). Dep. of Plant Nutrition and Fertilization) | Kopanski, J. (Institute of Soil Science and Plant Cultivation, Pulawy (Poland). Dep. of Systems and Economics of Crop Production)
The paper presents the balances of nitrogen, phosphorus and potassium at soil surface level arranged according to new administrative division of Poland. The regional differentiation of agricultural production conditions, which affect nutrient balance is presented with using the cluster analysis method. Nitrogen balance is positive with the surplus of about 27 kg N per ha of arable land. Phosphorus balance was found sustainable. Potassium balance was negative in the most part of Poland
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