Green Manure

Q.

Define green manure. Give one example.

Q.

Write a short note on green manure.

Q.

Arrange these statements in the correct sequence of preparation of green manure. (a) Green plants are decomposed in soil. (b) Green plants are cultivated for preparing manure or crop plant parts are used. (c) Plants are ploughed and mixed into the soil. (d) After decomposition, it becomes green manure.

Q.

Q. What are the different types of manure. Explain briefly.

Q.

What is green manuring ? Give suitable examples for green. manures.

Q.

Explain how fertilizer different from manure?

Q. Fill in the blanks:
7) Organic materials which are added to soil of crop field to improve its physical conditions are called

Q.

Arrange these statements in correct sequence of preparation of green manure.

(a) Green plants are decomposed in soil.
(b) Green plants are cultivated for preparing manure or crop plant parts are used.
(c) Plants are ploughed and mixed into the soil.
(d) After decomposition it becomes green manure.

1. (b) $\to$(c) $\to$(a) $\to$(d)
2. (c) $\to$(a) $\to$(d) $\to$(b)
3. (a) $\to$(d) $\to$(b) $\to$(c)
4. (d) $\to$(b) $\to$(c) $\to$(a)

Q. Which of the following is not an organic manure?

1. Urea
2. Cow dung
3. Fish manure
4. Goat droppings

Q.

Farmers usually grow few varieties of plants and then plough them into the land. What purpose does this serve?

1. The plants provide protection to crops from pests.

2. The plants turn into green manure.

3. It loosens up the soil to ease ploughing.

4. These plants release nutrients into the soil.

Q.

Name one (a) Leguminous green fodder, (b) Non-green dry fodder.

Q.

Which of the following is incorrect for green manure?

1. It supplies nitrogen

2. It prevents soil erosion

3. It allows leaching

4. It supplies organic matter

Q.

Sun hemp plant is commonly used for .

Q.

What is green manuring ? Give suitable examples for green manure crops.

Q.

Green manure is

1. rice

2. sorghum

3. maize

4. sesbania

Q.

What is green manure?

Q. Define green manure.

Q.

Define green manure. Give one example.

Q.

What is green manuring ? Give suitable examples for green. manures.

Q.

Materials of biological origin which are commonly used to maintain and improve soil fertility are:

1. Green manures

2. Biofertilizers

3. Bioinsecticides

4. Both green manures and bioinsecticides.

Q. 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.

1. Urea, cow dung, NPK fertiliser
2. Vermicompost, poultry wastes, green manure
3. NPK fertiliser, green manure, goat droppings
4. Bone meal, fish manure, phosphate fertiliser

Q. 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.

1. NPK fertiliser, green manure, goat droppings
2. Bone meal, fish manure, phosphate fertiliser
3. Vermicompost, poultry wastes, green manure
4. Urea, cow dung, NPK fertiliser

Q. Crops which are grown and ploughed back to the soil are called crops.

Q.

Materials of biological origin which are commonly used to maintain and improve soil fertility are:

1. Green manures

2. Biofertilizers

3. Bioinsecticides

4. Both green manures and bioinsecticides.

Q. Manures help in

1. growth of helpful soil organisms.
2. increasing air gaps of soil.
3. increasing water holding capacity.
4. enriching soil with nutrients.

Q.

Arrange these statements in correct sequence of preparation of green manure.

(a) Green plants are decomposed in soil.
(b) Green plants are cultivated for preparing manure or crop plant parts are used.
(c) Plants are ploughed and mixed into the soil.
(d) After decomposition it becomes green manure.

1. (b) $\to$(c) $\to$(a) $\to$(d)
2. (a) $\to$(d) $\to$(b) $\to$(c)
3. (d) $\to$(b) $\to$(c) $\to$(a)
4. (c) $\to$(a) $\to$(d) $\to$(b)

Q. Manures help in

1. growth of helpful soil organisms.
2. increasing air gaps of soil.
3. increasing water holding capacity.
4. enriching soil with nutrients.