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The work has made remarkable progress I maintaining adequate food supplies during the past quarter century by introducing yield-increasing technologies such as better genetics, crop protection products, and more efficient use of fertilizers and irrigation. Far more people depend on irrigation in the modern world than during the times of ancient Sumeria. The spread of irrigation has been the key factor in increasing global crop yields. But future water scarcity ...
The idea of having a common laboratory manual for the Central and West Asia and North Africa (CWANA) region was based on the fact that the soils in this arid to semi-arid area have a common suite of properties, leading to similar nutritional problems in crops. Collaborative research in the Soil Test Calibration Network in the Mediterranean Zone had also revealed that a number of soil tests for assessing nutrient availability have regional applicability. In ...