Add to ORKGRegular changes are shown to occur in the nitrogeneous component of humic acids with increasing depth in the profile of Chernozems. -from Journal summar
Humic substances, isolated from selected soils of the Russian Arctic, were ,+investigated in terms o...
The study presented here concentrates on the characteristics of the humous compounds of humic and fu...
Investigation of chemical composition of raw humus were fulfilled in Bory Tucholskie in accordance t...
Regular changes are shown to occur in the nitrogeneous component of humic acids with increasing dept...
The N-containing component of humic acids regularly and significantly changes downward in the profil...
The purpose of the paper presented is to determine tendency and intensity for quantitative and quali...
As it is known, the formation of soil humus as well as soil formation is controlled by Dokuchaev’s f...
Soils of Russian European North were investigated in terms of stability and quality of organic matte...
The studied bogs of the Siedlce Heights in eastern Poland are currently undergoing decession. In the...
The paper studies the processes of transformation of the molecular structure of humic (HA) and fulvi...
Investigated the content of total humus and quality of organic part of the soil. Namely, the content...
To understand if the biological activity of humic substances may be related to their molecular weigh...
Significant differences were found in the products released after eight samples of humic acids (HA's...
To understand if the biological activity of humic substances may be related to their molecular weigh...
Typescript.Bibliography: leaves 127-137.xv, 137 l graphs, tablesDistribution of total nitrogen, orga...
Humic substances, isolated from selected soils of the Russian Arctic, were ,+investigated in terms o...
The study presented here concentrates on the characteristics of the humous compounds of humic and fu...
Investigation of chemical composition of raw humus were fulfilled in Bory Tucholskie in accordance t...
Regular changes are shown to occur in the nitrogeneous component of humic acids with increasing dept...
The N-containing component of humic acids regularly and significantly changes downward in the profil...
The purpose of the paper presented is to determine tendency and intensity for quantitative and quali...
As it is known, the formation of soil humus as well as soil formation is controlled by Dokuchaev’s f...
Soils of Russian European North were investigated in terms of stability and quality of organic matte...
The studied bogs of the Siedlce Heights in eastern Poland are currently undergoing decession. In the...
The paper studies the processes of transformation of the molecular structure of humic (HA) and fulvi...
Investigated the content of total humus and quality of organic part of the soil. Namely, the content...
To understand if the biological activity of humic substances may be related to their molecular weigh...
Significant differences were found in the products released after eight samples of humic acids (HA's...
To understand if the biological activity of humic substances may be related to their molecular weigh...
Typescript.Bibliography: leaves 127-137.xv, 137 l graphs, tablesDistribution of total nitrogen, orga...
Humic substances, isolated from selected soils of the Russian Arctic, were ,+investigated in terms o...
The study presented here concentrates on the characteristics of the humous compounds of humic and fu...
Investigation of chemical composition of raw humus were fulfilled in Bory Tucholskie in accordance t...