Question

(d) broadcasting
3. The nitrogen deficiency of soil can be made up by using uie pupil
(a) crop rotation
(b) transplantation
Kc) multiple cropping
4. DDT, BHC and Malathion belong to a class of compounds called
(a) insecticides
(b) fungicides
(c) weedicides
(d) rodenticides​

Answer 1

Answer:

hey mate here's your answer ,

Step-by-step explanation:

3) crop rotation

4) insecticides

hope it helps you

Answer 2

Answer:

3)Crop rotation

4) Insecticides

Step-by-step explanation:

hope it helps you

please mark me as brainlist