Resultados da pesquisa - "Soils Nitrogen content."
-
1
-
2
Distribution of the forms of nitrogen in some Philippine soils [microform]
Publicado em 1977Visual Material -
3
-
4
Biological nitrogen fixation in paddy field studied by in SITU acetylene-reduction assays
Publicado em 1977Analytics -
5
-
6
-
7
In situ determination of biological nitrogen fixation by blue-green algae in lowland rice fields [microform].
Publicado em 1977Visual Material -
8
Microbiological transformations of nitrogen in flooded maahas clay [microform]
Publicado em 1977Visual Material -
9
-
10