41. PLFA is used to measure
42. With increase in soil depth, CO2 content . . . . . . . .
43. Total porosity of a soil with 1.325 g/cc and 2.65 g/cc PD is
44. In complex 12-32-16 each granule has
45. Keys to Soil Taxonomy came in the year of
46. Who is considered as father of soil testing
47. Leghaemoglobin percent in the root nodules of leguminous plants helps in nitrogen fixation by
48. Which one of the following is commonly used as urease inhibitor
49. Which of the following soils have poor physical condition
50. Press Mud is a byproduct of which industry?
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