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1 vote
Soil fertility can be improved: through the use of DDT by killing nitrifying bacteria using the crop rotation method by removing nitrogen

2 Answers

1 vote

Answer:

The answer is d

Step-by-step explanation:

answered
User TKH
by
8.6k points
1 vote
d. hope this helps :'D
answered
User MTorres
by
8.4k points
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