CROP ROTATION

· Increase in soil nitrogen

· Improvement in the physical condition of the soil

· Increased bacterial activity

· Increased release of carbon dioxide

· Excretion of beneficial substances

· Control of weeds, insects, and disease

The injurious effects of preceding crops, which I aim to avoid by careful rotation planning, are produced by

· Depletion of soil nutrients

· Excretion of toxic substances

· Increase in soil acidly

· Production of injurious substances resulting from the decomposition of plant residue

· Unfavorable physical condition of the soil due to a shallow-rooting crop

· Lack of proper soil aeration

· Removal of moisture

· Diseases passed to subsequent crops

· Influences of crops upon the soil flora and fauna