Zobrazeno 1 - 2
of 2
pro vyhledávání: '"L V Samutenko"'
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 613:012129
A decrease of the level of basic elements of plant nutrition in soils regardless of the use of different fertilizer systems was established after the 30-year monitoring. The soil acidity had quite noticeable changes. Conservation of soil acidity indi
Autor:
L. V. Fedorova, V. P. Fadeeva, V. D. Tikhova, L. V. Samutenko, M. M. Shakirov, M. I. Dergacheva
Publikováno v:
Russian Journal of Applied Chemistry. 75:829-833
Quantitative and qualitative changes in humic acids of meadow soddy soils, occurring under the action of various fertilizer systems, were studied by 13C and 31P NMR.