Acquaintance with common fertilizer & their application with appropriate equipment
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class 9th
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Answer:Fertilizers are compounds that are added to plants to promote growth. There are two types of fertilizers - organic and inorganic. Organic fertilizers are carbon based and are composed of organic matter like leaves, cow dung and parts of plants. Inorganic fertilizers contain simple inorganic chemicals. Some of the common nutrients present in fertilizers are nitrogen, phosphorus and potassium (NKP). They also contain secondary plant nutrients such as calcium, sulphur and magnesium. Some special fertilizers contain trace elements or micronutrients for the nutrition of plants like boron, chlorine, manganese, iron, zinc, copper and molybdenum. It is vital that farmers know the exact combination of fertilizers to be used for a certain crop to avoid damage through excessive or improper use.