21. Land Capability classification is given by
22. The active compound in mineral gypsum and phosphogysum is
23. Soil aeration limits plants growth when percent pores filled with water are more than
24. Micronutrients are called micro, because they are
25. Which mineral shows Pleochorism?
26. Atomosphere is classified into 4 classes, i.e., Troposphere, stratosphere etc., are based on
27. One ha ern of water is equal to
28. Plants sensitive to alkali will show poor yield when ESP is
29. "Increase in yield of a crop as a result of increasing a single growth factor is proportional to the decrement from the maximum yield obtainable by increasing the particular growth factor" was described by
30. Gypsum is an important amendment for problem of alkaline soils widely occurs in the state of
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