Which is not a likely outcome after extensive irrigation of dry farmland?

salinization of the soil

useless, unproductive soil

depletion of groundwater

nutrient-rich soil

The extensive irrigation cannot add nutrients to the soil and makes it a nutrient rich soil. The dry farmland which is irrigated extensively will not add nutrients into the soil. When any dry farmland is extensively irrigated then the soil is made productive for sowing the seeds and growing crops.

Explanation:

answer; the above statement is (true); plz check first

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.