This publication follows scientists reconstructing twoancient farms in the Negev desert. Theknowledge they gained from this reconstruction was then used to construct a new experimental farm. The main purpose of this farm was to use the scientific results for the development of practical methods...
Desertification examines the reaons: overcultivation, overgrazing, deforestation and bad irrigation. The rich nations, the poor nations and the internation agencies know what needs to be done to stop cropland and pastures turning to desert.
关键资源2013-06-14 How to harvest water and nutrients, select drought-tolerant plants, and create natural diversity Because climatic uncertainty has now become "the new normal," many farmers, gardeners and orchard-keepers in North America are desperately seeking ways to adapt their food production to become more...