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What Is Micronutrients?

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CHAPTER 1
INTRODUCTION
1.1 Background of study
1.1.1 Micronutrient
Micronutrients are essential for plant growth, but plants require relatively small amount of them. They include boron (B), chlorine (Cl), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), and zinc (Zn) (Regis, 1998). They are needed in the small portion for the growth of the plant without them it will give effect to the plant itself.
According to Arifin (2014), in agricultural land with long history production of crop, the trace elements concentrations in the soil can be higher than the those found in the parent materials. This is because the agricultural operations add to the elevation of the trace metals in the soil.
Soils differ in their micronutrients content and their ability to provide micronutrients in sufficient quantities for optimal growth. The essential micronutrients are zinc (Zn), iron (Fe), manganese (Mn), boron (B), chlorine (Cl), copper (Co), vanadium (V), sodium (Na), and silicon (Si). Deficiencies of the …show more content…

According to Hall (2008), micronutrients are essential elements for plant in very small quantity. Although it is found in enough quantity in the soil, it can be depleted over time if not replaced. It can cause soil to become acidic or alkaline and toxic if it is too much presents in the soil. Micronutrient is required in the correct amount for healthy plant growth. On the other hand, soil organic matter contains a significant proportion of the available fraction of micronutrients and is very important in the nutrition of crops.
Micronutrients are needed in very small amount. Their adequate concentrations in plant are generally below the 100 parts per million (ppm) levels. The essential micronutrients are zinc (Zn), iron (Fe), manganese (Mn), boron (B), chlorine (Cl), copper (Cu), molybdenum (Mo), cobalt (Co), vanadium (V), sodium (Na), and silicon (Si) (Lohry,

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