Livestock Development National Plant Breeding Station

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Date
1984
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Ministry of Agriculture
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It has long been realized that many crops do not grow satisfactorily well in acid soils. Until fairly recently, it was thought that the poor-growth was directly due to the, harmful effect of the acid conditions on plant roots. Many workers including Arnon, D.I. et.al (1942) have shown however, that many crops can grow satisfactorily within the PH range 4.0 to 8.0 provided that the harmful side effects induced by low PH are aliminated. The harmful effects include low calcium, phosphorus and molydenum and excess aluminum and manganese.
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