|
|
|
|
|
Madara Darguza and Zinta Gaile
Crop diversification in rotations is an important part of sustainable crop production. The aim of this research was to analyse soil tillage and crop rotation influence on the yield (t ha-1) of different field crops, their energy yield (GJ ha-1) and the e...
ver más
|
|
|
|
|
|
|
|
|
Cathy Hawes, Colin J. Alexander, Graham S. Begg, Pietro P. M. Iannetta, Alison J. Karley, Geoffrey R. Squire and Mark Young
The intensification of arable production since the 1950s has resulted in increases in yield but only at significant cost to the environment, raising serious concerns about long-term consequences for the sustainability of food production systems. While a ...
ver más
|
|
|
|
|
|
|
|
|
J. Herrero,R. T. Torres,C. Prada,A. García-Serrano,A. Giménez-Anaya,O. Fernández
Pág. 456 - 462
Aim of study: Monitoring trends in animal populations is essential for the development of appropriate wildlife management strategies.Area of study: The area is situated in the southern Pyrenees (Aragon), Spain.Material and methods: To measure the abundan...
ver más
|
|
|
|