Soil pH or soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units. Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale ...

Some popular varieties include sweet corn, popcorn, and flour corn. Corn prefers a fertile, well-drained soil with a pH between 6.0 and 6.8. Work in compost or well-rotted manure to improve the ...

The University of Delaware Soil Testing Lab uses the Adams-Evans buffer pH test to determine lime requirement for a field based on soil test analysis of an 8-inch composite soil sample. In this quick ...