71. Match the following columns:
Column I (Fertilisers)
Column II (P2O5 content %)
a. SSP
1. 40 - 48
b. TSP
2. 16 - 20
c. DAP
3. 20 - 30
d. Rock phosphate
4. 54
| Column I (Fertilisers) | Column II (P2O5 content %) |
| a. SSP | 1. 40 - 48 |
| b. TSP | 2. 16 - 20 |
| c. DAP | 3. 20 - 30 |
| d. Rock phosphate | 4. 54 |
72. Nitrate can be absorbed by roots as it can be lost by
73. Example of a denitrifying bacteria which is as well as a Sulphur oxidizer
74. 'Percent Yield Concept' is given by
75. Feldspar is a
76. The use of balanced fertiliser use is most desirable because it
77. The chemical composition of basic slag is
78. The particle density of normal soil is
79. Bacteria Population constitute how much . . . . . . . . % of Organic matter.
80. Gleization, pedogenic process occur in
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