Soil and fertilizer phosphorus and crop responses in the dryland Mediterranean zone
A Matar, J Torrent, J Ryan - Advances in Soil Science: Volume 18, 1992 - Springer
As we approach the end of the century, the disparity between the rich and poor nations of
the world is startling. While poverty knows no climatic or geographical boundary, a …
the world is startling. While poverty knows no climatic or geographical boundary, a …