Influence of some clay minerals on the effectiveness of phosphorus fertilizers when added in the process of production
Gurbuchev, I. | Tabakova, M.
Pochvoznanie i agrokhimiia = Soil science and agrochemistryVolume 16 Issue 4 ISSN 0554-341X
Title in original language could not be transcribed. Includes references. In Bulgarian; Summaries in English and Russian.