|
Black soils are generally poor in : |
|||
|
(a) |
Calcium carbonate |
(b) |
Phosphoric contents |
|
(c) |
Magnesium |
(d) |
Potash and Lime |
|
Black soils are generally poor in : |
|||
|
(a) |
Calcium carbonate |
(b) |
Phosphoric contents |
|
(c) |
Magnesium |
(d) |
Potash and Lime |