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Advances in Soil Science
häftad,
2011,
Engelska,
ISBN 9781461389842
From the beginning of agriculture until about 1950, increased food production came almost entirely from expanding the cropland base. Since 1950, however, the yield per unit of land …
Mycorrhizal Biology
häftad,
2012,
Engelska,
ISBN 9781461369158
`The fundamental problem the world faces today, is the rapidly increasing pressure of population on the limited resources of the land. To meet the ever increasing demands of …
Advances in Soil Science
häftad,
2011,
Engelska,
ISBN 9781461277248
The key to sustaining the soil resource base is to maintain, or enhance, soil quality. Soil quality cannot be seen or measured directly from the soil alone but is inferred from …