31. In which soil zinc availability to crop is higher
32. Boron content in borax (suhaga) is
33. Match the following columns:
Column I (Nutrients)
Column II (Functions)
a. Sulphur
1. Increase oil quality
b. Potassium
2. Essential constituent of chlorophyII
c. Calcium
3. Eessentia constituent of cell
d. Magnesium
4. Enhance drought and disease resistant power
| Column I (Nutrients) | Column II (Functions) |
| a. Sulphur | 1. Increase oil quality |
| b. Potassium | 2. Essential constituent of chlorophyII |
| c. Calcium | 3. Eessentia constituent of cell |
| d. Magnesium | 4. Enhance drought and disease resistant power |
34. FYM mainly include
35. Which of the following is a non-metalic nutrient?
36. Soil formation is
37. The specific gravity of laboratory grade H3PO4 is (in g mL-1)
38. 'White alkali' soils are
39. In Mitscherlich technique . . . . . . . . plants are grown to maturity
40. Movement of micronutrient mostly occurs through
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