REN R445 Study Guide - Final Guide: Chlorophyll, Ion, Stunted Growth

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However, are more common/more recognized than 30 years ago. Growing need for micronutrients use in ab. Copper= only one to worry about for cereals. If too good to be true, it probably is: zinc for dry beans and maybe corn. When their application results in an economic benefit to the farmer. Issue is not the products, but when and how they are used. Boron, copper, iron, manganese, zinc, molybdenum, chloride. Micronutrients: essential elements required for plant growth, but in relatively small amounts. Essential: deficiency of a micronutrient results in reduced crop growth, yield and/or quality: essential role in plant functions or as a catalyst in plant functions. Fertilizer goes into the plant available form fraction and labile fraction. Crop sensitivity a lower sensitive crop can respond at lower critical levels. Certain crops tend to have greater sensitivity to a specific micronutrient. Certain soil types tend to be more prone to deficiencies.