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Applying Manures and Fertilisers

Which of thes...

Question

Which of these nutrients is compost rich in?
(a) organic nutrients
(b) nitrogen
(c) phosphorus
(d) potassium

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Solution

(a) organic nutrients

Compost is made up of decomposed organic materials like dead plants and animal waste but it lacks nitrogen, phosphorous and potassium.

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Q. Question 16
Which one of the following nutrients is not available in fertilizers?

(a) Nitrogen
(b) Phosphorus
(c) Iron
(d) Potassium

Q. Which of the following are primary nutrients for plants?

(a) Calcium	(b) Phosphorus
(c) Sulphur	(d) Potassium
(e) Nitrogen	(f) Magnesium

Assertion (A): Much of the nitrogen and small amounts of phosphorus and sulphur are carried in the organic form through xylem.

Reason (R): Xylem transports only inorganic nutrients and phloem transports only organic nutrients.

Q. Out of nutrient cycles of sulphur (a) phosphorus (b) carbon (c) and nitrogen (d), which one is sedimentary?

Q. In which of the following both pairs have correct combination?

A	Gaseous nutrient cycle	Carbon and sulphur
	Sedimentary nutrient cycle	Nitrogen and phosphorus
B	Gaseous nutrient cycle	Nitrogen and sulphur
	Sedimentary nutrient cycle	Carbon and phosphorus
C	Gaseous nutrient cycle	Sulphur and phosphorus
	Sedimentary nutrient cycle	Carbon and Nitrogen
D	Gaseous nutrient cycle	Carbon and Nitrogen
	Sedimentary nutrient cycle	Sulphur and phosphorus

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