Question

need of soil management

Answer 1

Answer:

To grow, plants need nitrogen, phosphorus, potassium and a range of other elements. However fertile the soil, growing crops will use up its nutrients. Farmers once compensated for this by spreading animal manure and plant waste on their fields. Increasingly, these have been replaced by manmade fertilizers.

Explanation:

Soil management is important, both directly and indirectly, to crop productivity, environmental sustainability, and human health. ... Research will be required to avoid further degradation of soils, through erosion or contamination, and to produce sufficient safe and nutritious food for healthy diets.

Answer 2

Soil management is important, both directly and indirectly, to crop productivity, environmental sustainability, and human health. ... Research will be required to avoid further degradation of soils, through erosion or contamination, and to produce sufficient safe and nutritious food for healthy diets.