1
Advances in agronomy . 153 /
Book
...LWE - Agriculture - general aspects...
Table of Contents 
2
The molecular and physiological basis of nutrient use efficiency in crops /
Book
...LWE - Agriculture - general aspects...
Table of Contents 
3
Stickstoffeffizienz landwirtschaftlicher Kulturpflanzen /
Book
...LWE - Agriculture - general aspects...
4
Kontrollierte Anwendung von Pflanzenschutz- und Pflanzenbehandlungsmitteln (PBSM) in Kombination mit einer N-Versorgung nach dem "CULTAN"-Verfahren /
Book
5
Plant analysis and fertilizer problems : [proceedings of the Third Colloquium on Plant Analysis and Fertilizer Problems : held at Montreal, Canada, in August 1959, in connection with the 9th International Botanical Congress] /
Book