Question

why some tillage practices are beneficial while others are hazardous​

Answer 1

Answer:

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For newly mechanized farmers, tillage was a way to solve problems. ... levels of crop residue remaining on the soil's surface, and the intensity of tillage practices.

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Answer 2

Conventional tillage can increase porosity and loosen soil, allowing for good air exchange and root growth. It is also an effective way of incorporating manure and breaking up sod fields. As well, soils that are tilled typically warm faster in the spring than those with less tillage.