Punjab State Board PSEB 10th Class Agriculture Book Solutions Chapter 6 Agroforestry Textbook Exercise Questions and Answers.
PSEB Solutions for Class 10 Agriculture Chapter 6 Agroforestry
Agriculture Guide for Class 10 PSEB Agroforestry Textbook Questions and Answers
(A) Answer in one-two words:
Question 1.
How much area should under forests in Punjab, as per National Forest Policy 1988?
Answer:
20%.
Question 2.
How much area is under forests and tree cover in Punjab?
Answer:
6.49%.
Question 3.
How many major agro climatic zones are there in Punjab on the basis of climate?
Answer:
Three.
Question 4.
In which season acute shortage of fodder is felt in Kandi region of Punjab?
Answer:
In winter.
Question 5.
What is the spacing for planting of poplar on boundary of a field?
Answer:
3 metres.
Question 6.
What types of .soils are there in Kandi region?
Answer:
Soil is undulating that is not uniformly levelled. It has many ups and down.
Question 7.
Name two trees used for fodder in Kandi region.
Answer:
Dhak, Beri, Chhal, Kachnar etc.
Question 8.
What should be the pH of soil for poplar cultivation?
Answer:
6.5 to 8.0.
Question 9.
Name the trees suitable for commercial agroforestry in Punjab.
Answer:
Poplar, Eucalyptus
Question 10.
How many Poplar plants are planted in per hectare?
Answer:
200 trees per acre.
(B) Answer in one-two sentences:
Question 1.
What is the planting time of Poplar in Punjab?
Answer:
Suitable time for planting poplar in Punjab is January-February.
Question 2.
Define Agroforestry.
Answer:
Agroforestry is a land management system in which cultivation of trees and crops is done together in a field along with rearing of animals on the same piece of land.
Question 3.
What type of soil and irrigation facilities are available in Central plain zone in Punjab?
Answer:
In this zone, soil is fertile and irrigation facilities are available here.
Question 4.
What type of trees are found in S-W region of Punjab?
Answer:
Kikar, Tahli, Mango, Dhrek, Nim, Jamun, Toot etc. trees are planted in south-western zone.
Question 5.
Write down planting and spacing requirements of Eucalyptus.
Answer:
Cuttings are used for the propagation of Eucalyptus. Eucalyptus can be planted on the boundaries of the field or in block plantation. Plant to plant spacing on the boundaries should be 2 metres and if planted in block plantation the spacing should be 4 x 2 m.
Question 6.
Write the clones of poplar planted in Punjab.
Answer:
PL-1, PL-2, PL-3, PL-4, PL-5, L-47/88, L-48/89 are clones of poplar.
Question 7.
What is the planting time of Eucalyptus in Punjab?
Answer:
Eucalyptus can be planted in March-April and July-August.
Question 8.
Write down the names of the industries where poplar wood is used.
Answer:
Wood obtained from poplar can be used in Match box industry, ply manufacturing, packing cases etc.
Question 9.
What is the spacing for poplar planting?
Answer:
If poplar is planted on boundaries then plant spacing should be 3 metre and if it is planted in die whole field then spacing should be 8 x 2.5 m or 5 x4m.
Question 10.
Write the name of trees grown in Kandi region.
Answer:
Toot, Nim, Tahli, khair, Kikkar, Bel, Kachnar, Mango, Subabaul, Aijun, Harar, Behra, Phalis and dhak, Dehrek, Sohanjana etc.
(C) Answer in Jive-six sentences:
Question 1.
Write down the clones planted and spacing for poplar planting in Punjab. .
Answer:
PL-1, PL-2, PL-3, PL-4, PL-5, L-47/88, L^18/89 are some of the clones of poplar. If poplar is planted on boundaries then plant spacing should be 3 metre and if it in planted is the whole field then spacing should be 8 x 2.5 m or 5 x 4 m. 200 plants per acre can be planted in the field.
Question 2.
Write down the source of clonal Eucalyptus plants in Punjab.
Answer:
We should plant Eucalyptus plants prepared from cuttings in Agroforestry. These all grow uniformely. These can be obtained from any nursery of department of forests and wildlife preservation, Punjab, PAU, Ludhiana or any other private registered nursery.
Question 3.
How poplar can be planted?
Answer:
Make a pit which is 3 feet deep and have diameter of 15-20 cm. Use chloropyriphos and Emisan-6 against termies and diseases. Plant poplar trees in the month of January and February. Water the plants immediately after planting the poplar tree. If poplar is planted on boundaries then plants spacing should be 3 metre and if it in planted in the whole field then spacing should be 8 x 2.5 m or 5 x 4 m. 200 plants per acre can be planted in the fields.
Question 4.
Where poplar wood is used?
Answer:
Cultivation of poplar is helpful in creating employment and also in small enterprises in which wood is the raw-material. Poplar is used in various industries e.g. it is used in the manufacturing of match sticks. It is also used in the manufacture of plywood and also in the packaging industry to make boxes. This way one can earn by the cultivation of poplar. It sheds off its leaves in winter thus has no harm for Rabi crops.
Question 5.
Why Poplar and Eucalyptus are suitable for commercial Agroforestry? Or Why are Eucalyptus and poplar cultivated as commercial agro forestry in Punjab?
Answer:
Poplar and Eudalyptus are suitable for commercial agroforestry in Punjab. Wood obtained from these trees can be easily marketed. The income from these trees in more than wheat-rice cropping system.
Safeda:
It grows in less time, stem is straight, its branches shed off regularly. Its wood is used as building material, its pulp is used in paper industry, wooden beams are also obtained from it. Therefore it is suitable for cultivation in agroforestry.
Poplar:
It provides employement. Its wood is used in small scale industry; like, ply, match sticks, packing boxes etc. It also does not affect the Rabi crops.
PSEB 10th Class Agriculture Guide Agroforestry Important Questions and Answers
Multiple Choice Questions
Question 1.
According to National Forest Policy 1988, forests should occupy of area in plain states.
(a) 5%
(b) 20%
(c) 50%
(d) 29%.
Answer:
(b) 20%
Question 2.
In central plain region trees are grown.
(a) Poplar
(b) Dek
(c) Eucalyptus
(d) All
Answer:
(d) All
Question 3.
………….. is not a variety of poplar:
(a) PL-5
(b) PL-47/88
(c) PL-858
(d) PL-48/89.
Answer:
(b) PL-47/88
Question 4.
Poplar trees become ready in years for harvesting.
(a) 5 to 7
(b) 1 to 2
(c) 10 to 12
(d) 15 to 25.
Answer:
(a) 5 to 7
Question 5.
pH value for soil for poplar cultivation.
(a) 10
(b) 6.5 to 8.0
(c) 3 to 4
(d) 4 to 5.5.
Answer:
(b) 6.5 to 8.0
Question 6.
In which direction the trees are planted on ridges of the farms for agro forestry?
(a) North-South
(b) East-west
(c) South-east
(d) North-east.
Answer:
(a) North-South
Question 7.
For timber production after how many years Eucalyptus can be harvested?
(a) 13 to 15 years
(b) 6 to 8 years
(c) 4 to 6 years
(d) 2 to 4 years.
Answer:
(a) 13 to 15 years
Question 8.
For batten production, after how many years Eucalyptus can be harvested?
(a) 13 to 15 years
(b) 6 to 8 years
(c) 4 to 6 years
(d) 2 to 4 years.
Answer:
(c) 4 to 6 years
Question 9.
For paper pulp production, after how many years Eucalyptus can be harvested?
(a) 13 to 15 years
(b) 6 to 8 years
(c) 4 to 6 years
(d) 2 to 4 years.
Answer:
(b) 6 to 8 years
True False:
1. Poplar is more successful in Bet area.
Answer:
True
2. Poplar tree become ready for harvesting after 5-7 years.
Answer:
True
3. To save orchards from wild life, Jatropha are grown around the orchards.
Answer:
True
4. Poplar cultivation is successful in Kallar and water logged soils.
Answer:
False
5. Eucalyptus clonal plants should be planted in Agroforestry.
Answer:
False
Fill in the blanks:
1. Poplar wood is used in the manufacture of ……………. .
Answer:
Match sticks
2. For boundaries poplar trees are planted at spacing.
Answer:
3 m
3. …………….. erosion is major problem in sub-mountainous zone.
Answer:
Soil
4. Pl-3 is a …………….. clone.
Answer:
poplar
5. In winter the scarcity of ……………. is felt in submountaneous zone.
Answer:
fodder.
Very Short Answer Type Questions
Question 1.
Why is agroforestry suitable for Punjab?
Answer:
It helps in increasing the area under the forests and trees.
Question 2.
Can we take income from agroforestry?
Answer:
Yes, more than the conventional agricultural practices i.e. more than paddy-wheat cropping system.
Question 3.
In which direction, trees should be planted on the boundaries of fields? (PS.E.B. 2017)
Answer:
In North-South direction.
Question 4.
In how many zones is Punjab divided on the basis of climate?
Answer:
Three zones.
Question 5.
On what basis the farmer in Kandi area grow their crops?
Answer:
Agriculture is based on the rainfall.
Question 6.
Which of the trees are planted to save the orchards?
Answer:
Jatroffa, Karonda, Ipomea.
Question 7.
What type of soil is found in south-western zone?
Answer:
Saline and alkaline soil.
Question 8.
Poplar is not harmful for rabi crops, how?
Answer:
Its leaves shed off in winter and it is not harmful for rabi crops.
Question 9.
What type of soil is not suitable for poplar?
Answer:
Kallar and water-logged.
Question 10.
In which area poplar is must successful?
Answer:
In bet area.
Question 11.
How many poplar trees can be planted in the field?
Answer:
200 trees per acre.
Question 12.
In how many years poplar trees are ready?
Answer:
5 to 7 years.
Question 13.
What type of Eucalyptus plants should be planted?
Answer:
Prepared from cuttings.
Question 14.
How many Eucalyptus plants are planted In the whole field?
Answer:
500 trees per acre.
Question 15.
If Eucalyptus cultivation is for long time, what should be row spacing?
Answer:
8 metre.
Question 16.
After how many years can we get wood for buildings (timber) from Eucalyptus?
Answer:
13 to 15 years.
Question 17.
After how many years is Eucalyptus ready for pulp?
Answer:
6 to 8 years.
Question 18.
After how many years Eucalyptus is ready for battens?
Answer:
4 to 6 years.
Question 19.
Write file name of two trees which are mainly grown in Punjab for commercial agroforestry.
Answer:
Poplar, Eucatyplus.
Short Answer Type Questions
Question 1.
Write the name bf two main models for agroforestry?
Answer:
There are two main models for agroforestry-Boundary plantation and intercropping in block plantation.
Question 2.
Where do farmers plant trees if they use boundary plantation model?
Answer:
They plant trees on the boundaries of fields.
Question 3.
Which of the trees are used for planting on the boundaries?
Answer:
Subabaul, Drek, Toot, Eucalyptus, Poplar, Siris, Lassora, Sohanjana, Nim, Tahli etc. –
Question 4.
Which farmers do the mixed farming of crops and trees?
Answer:
Those farmers who have more agricultural land can do mixed farming.
Question 5.
Which of the trees are suitable for planting in the whole field?
Answer:
Poplar, Eucalyptus, Dhrek and Tun are suitable trees.
Question 6.
In which area is the problem of soil erosion found?
Answer:
Soil found in the Kandi area is not uniform and land has many ups and downs (undulating) therefore problem of soil erosion is also found there.
Question 7.
Which type of soil is suitable for poplar?
Answer:
Well drained, loamy to sandy, fertile soil and which have pH value from 6.5 to 8.0 is suitable for growing popular.
Question 8.
List four uses of wood of Eucalyptus.
Answer:
Batten, pulp, wood used in buildings construction, industry, furniture
Question 9.
Write the name of four trees which are grown in whole field in agroforestry.
Answer:
Poplar, Eucalyptus, Toon, Dhrek.
Question 10.
Why salinity is found in the upper surface of the soil in the South-Western zone?
Answer:
Water under the earth in this zone is saline. This makes upper surface of the soil also saline.
Long Answer Type Questions
Question 1.
Write about trimming and pruning of poplar? Or Write the benefit of correctly pruning poplar plants at the right time.
Answer:
There is no need of trimming in the first year, but in the second year after shedding off the leaves there is a need of pruning of the trees to make it straight and to give it good appearance. If trimming and pruning is done at proper time then the stem remains straight and without nodes.
Question 2.
Which of the qualities of Eucalyptus make it suitable for cultivation in agroforestry? Or For which qualities Eucalyptus is grown in agroforestry?
Answer:
It grows in less time, stem is straight, its branches shed off regularly. Its wood is used as building material, its pulp i§, used in paper industry, wooden beams are also obtained from it. Therefore it is suitable for cultivation in agroforestry.
Question 3.
Define Agroforestry.
Answer:
According to National Forest Policy 1988, to fulfil the needs based on wood and to keep the environment safe, area under the forests should be 20%. But it is not possible to increase the area under the forests therefore this is achieved by agroforestry. Agroforestry is the cultivation of trees and crops together in the same field. The objective behind this, type of cultivation is that farmers can fulfil their needs e.g. cereals, wood, fuel, fodder and also can save the natural resources e.g. soil, water, air etc. There is also an increase in their income.
Question 4.
What do you mean by agroforestry? Explain in detail about the planting trees on farm boundaries in agroforestry.
Answer:
Do it yourself.