Acid Phosphate

ACID PHOSPHATE - A term sometimes used, but less than formerly, for the chief source of phosphoric acid in commercial fertilizers. Now called superphosphate, it is made by treating phosphate rock with sulphuric; however, it does not cause soil acidity as the term might suggest.

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• Acid Soil - ACID SOIL - In addition to exhibiting differences in texture (or physical condition) and in fertility, soils may be either acid, neutral or alkaline. The degree of acidity or alkalinity has an important bearing on the health of many plants. Acids and alkalis are opposite and if mixed together tend to neutralize each other, so that
• Acid Soil Plants - Lists of plants requiring acid soil have been published from time to time, but are often contradictory. Most plants grow equally well in neutral, mildly alkaline, or mildly acid soils, varying from 6 to 8 pH readings, or even 5 to 9. With these we are not now concerned. Real acid-soil plants prefer a soil