Effect of intensive mineral fertilization on the composition of humus compounds in a heavy soil
1986
Niemyska-Lukaszuk, J. | Mazur, K. (Akademia Rolnicza, Krakow (Poland))
High rates of nitrogen fertilization resulted in an increase of organic matter content in the soil or inhibited the mineralization of organic matter. Increased nitrogen fertilization improved the quality of humus in the soil. Heavy nitrogen fertilization resulted in a decrease in the content of fulvic acids
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