Ram wants to enrich soil with nutrients for his plants. Suggest the correct group of plant nutrients he should add that does not cause water pollution.

Urea, cow dung, NPK fertiliser

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Vermicompost, poultry wastes, green manure

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NPK fertiliser, green manure, goat droppings

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Bone meal, fish manure, phosphate fertiliser

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Solution

The correct option is B Vermicompost, poultry wastes, green manure
$∙$ Organic manures are of plant or animal origin. They are not synthetic chemicals.
$∙$ Excessive use of chemical fertilizers leads to problems such as saline soil and barren lands. It also causes pollution of underground water. Hence the use of biofertilisers is recommended as it increases the fertility of soil naturally.
$∙$ Cow dung, vermicompost, bone meal, goat droppings, poultry wastes, green manure are few examples of organic manures.
$∙$ NPK fertilisers, phosphate fertilisers, urea are few examples of chemical fertilisers.

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Similar questions

Q. Ram wants to enrich soil with nutrients for his plants. Suggest the correct plant nutrient source(s) he should add that does/do not cause water pollution.

Bholu wants to grow plants inside his house but he does not like the mess soil makes. So, Bholu uses a technique called hydroponics. In this technique, plants are grown without soil and instead receive nutrients from mineral rich water that is made to flow over the plants roots as shown below. The water needs to be dissolved with chemicals containing plant nutrients such as containing nitrogen, potassium and zinc.

Choose the option that best depicts the relative amount of nutrients that needs to be added to the water. (A bigger circle means more amount and vice versa; if a circle is not present it means that the nutrient is not added ).

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