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pro vyhledávání: '"M. F. Mesko"'
Autor:
V. N. Freire, S. N. Costa, R. P. Santos, Andréa Soares Rocha da Silva, M. F. Mesko, Benildo Sousa Cavada, D. M. Xavier, Jorge Luiz Martins
Publikováno v:
International Journal of Agriculture Sciences. 4:238-242
Humic acid (HA) is a principal component of humic substances, which are the major organic constituents of soil, peat, coal, many upland streams, dystrophic lakes and ocean water. HA has an important impact on a variety of environment processes. This