TY  - BOOK
AU  - Birecki, M.
TI  - (The influence of various crop rotation links and methods of soil structure forming cultivation on the yields of successive crop and certain soil fertility elements
KW  - RotaciÃ³n de cultivos
N1  - Sobretiro de : Roczniki Nauk Rolniczych 74 A (4) : 835-869, 1957
ER  -