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Tanzania Agricultural Research Institute

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Plant like all other living things, need food for their growth and development. Plants require 16 essential elements namely  Carbon, hydrogen, and oxygen derived from the atmosphere and soil water. The remaining 13 essential elements  namely nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, iron, zinc, manganese, copper, boron, molybdenum, and chlorine are supplied either from soil minerals and soil organic matter or by organic or inorganic fertilizers. read more


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Tanzania Census 2022