Birecki, M. <br/><br/>
(Investigations on the selection of successive cereal crop and on the successive action of grass-popilionaceous mixtures during a theree year period as depending upon the period of plownig a structure forming field) 

<br/><br/> Resumen en inglés  Sobretiro de : Roczniki Nauk Rolniczych 75 A (1) : 1-35, 1957 
<br/><br/><label>LCCN: </label>17615 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rotación de cultivos--Cereales.<br/>Rotación de cultivos--Plantas forrajeras.