LYCOS RETRIEVER 
Potassium: Plants
built 614 days ago
Potassium is an essential major nutrient for crop production in Minnesota. The supply of total K in soils is quite large. Yet, relatively small amounts are available for plant growth at any one time. The three forms of K (unavailable, slowly available, readily available) exist in an equilibrium in the soil system.
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Potassium is essential to both plant and animal life. It is one of the three primary nutrients, or macronutrients, required by plants. Plants require relatively large amounts of potassium in order to grow and remain healthy.
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Potassium (K) is required by all plant and animal life. Plants require potassium for photosynthesis, osmotic regulation and the activation of enzyme systems. Potassium deficiency in cereal crops results in reduced growth, delayed maturity, lodging caused by weak straw, and low bushel weight.
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