Influence of nitrogen fertilization and farmyard manuring on fractional composition of soil organic matter
1986
Wisniewski, W. | Gonet, S.S. (Akademia Techniczno-Rolnicza, Bydgoszcz (Poland))
It was found that nitrogen fertilization with simultaneous manuring caused the losses of soil organic matter, whereas that without manuring had a restraining effect on organic matter losses. The grey brown podzolic soil under manuring contained more fractions resistant to oxidation, which are the most stable forms of humus
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