what is the best type soil type for corn

A sandy loam B clay loam C slit loam

what was the crop quality results for corn when set at PH 12 and moderate soil nutritions?

A poor B moderate C good

what was the harvest and quality results for corn when set at PH6 and high soil nutrition ?

A poor B moderate C good

What was crop harvest and quality results for corn when set at pH3 and low soil nutrient ?

A poor B moderate C good

what was crop harvest and quality results for corn when set at Ph7 and moderate soil nutrients ?

A poor B moderate C good

when a good quality crop is produced with a good harvest, the environment impact is ___
low, moderate, or C high

low