What is the effect of pH on soils and plant growth?
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EFFECT OF pH ON SOIL AND PLANT GROWTH.
Soil acidity increases as pH drops below 7 (neutral pH) and soil alkalinity increases as pH increases above 7. Soil pH affects many aspects of crop production, including nutrient availability, potential for metal toxicity, efficacy and degradation of soil-applied herbicides, and nitrogen fixation by leguminous crops.
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