1
Advances in agronomy . 144 /
Book
...LWE - Agriculture - general aspects...
Table of Contents 
2
Crop yield : physiology and processes /
Book
...LWE - Agriculture - general aspects...
3
Handbuch zum Gewässerschutz in der Landwirtschaft /
Book
...LWE - Agriculture - general aspects...
4
Crop evapotranspiration : guidelines for computing crop water requirements /
Book
...LWE - Agriculture - general aspects...