publishing year | previous | first author | document title |
---|---|---|---|
1957 | Bragantia | Gargantini, H. | Determination op the period of time needed for ammonification and nitrification of several nitrogenous fertilizers |
1956 | Bragantia | Verdade, F. da Costa | Plant nutrient losses caused by erosion: I. Nitrogen and its relationship to soil and rain water |
1951 | Bragantia | Verdade, F. C. | Estudo da variabilidade dos nitratos num solo tipo terra roxa-misturada |