National program of soil testing
Although the use of chemical fertilizers in order to increase fertility and crop production, started in worldwide for years and nearly 50 years ago in Iran and since has expanded to become increasingly but in many cases this increase is not based on correct principles. Currently the soil testing pro...
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Main Authors | , , , , , , , , , , , , |
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Format | Publication |
Language | Persian |
Published |
Karaj Iran
Soil and water Research Institute
2015
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Subjects | |
Online Access | Get more information |
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Summary: | Although the use of chemical fertilizers in order to increase fertility and crop production, started in worldwide for years and nearly 50 years ago in Iran and since has expanded to become increasingly but in many cases this increase is not based on correct principles. Currently the soil testing program is applied for scientific fertilizer recommendations.The soil testing program to be answered on |
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Bibliography: | P33 46261 |