6. which is a farming technique that could improve the soil and the environment? a using fueled machines that will turn the soil continuously b creating undisturbed layers of mulch in the soil c placing inorganic chemical fertilizers in the soil d irrigating the soil with salty water

Option (B)

Explanation:

A mulch is usually defined as a layer of loose material that is organic in nature and is very commonly applied to the soil surface. The use of mulch in soils helps in increasing the fertility of the soil, enhancing the moisture content in the soil, decreases the growth of the weeds. It increases the productivity of the soil.

Thus, by creating an undisturbed layer of mulch in the soil, a farmer can increase improve the quality of the soil as well as the environment.

Hence, the correct answer is option (B).