Question

what is 4R ? what are the types 4R?

Answer 1

4R Principles. The 4R nutrient stewardship principles are the same globally, but how they are used locally varies depending on field and site specific characteristics such as soil, cropping system, management techniques and climate.

they are reduce recycle reuse and reduce

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Answer 2

The 4R's are
-reuse
-recycle
-reduce
-recover
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