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| 1. |
2) With the help of pH state the importance of soil testing in agriculture field? |
| Answer» <p>Soil pH is a measure of the relative acidity or alkalinity of the soil solution, and is expressed on a 14-point scale. Soil acidity increases as pH drops below 7 (neutral pH) and soil alkalinity increases as pH increases above 7.</p><p>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.</p> | |