Question

Good evening  brothers and sisters
I have some questions for you
Can anyone answer then
Q.Answer the following questions in one sentence.

1. What is the use of a plough in agricultural practice?

2. What are weeds?

3. Why is a seed drill used by farmers?

4. What is meant by nitrogen fixation?

5. Name two plant pests.

6. Why is winnowing important?

7. How are poultry birds protected from diseases?

This are quite easy known
Goodluck ​

Answer 1

Answer:

Answers ONLY

1. A plough or plow (US; both /plaʊ/) is a farm tool for loosening or turning the soil before sowing seed or planting. Ploughs were traditionally drawn by oxen and horses, but in modern farms are drawn by tractors. A plough may have a wooden, iron or steel frame, with a blade attached to cut and loosen the soil.

2. A weed is a plant considered undesirable in a particular situation, "a plant in the wrong place". Examples commonly are plants unwanted in human-controlled settings, such as farm fields, gardens, lawns, and parks.

3. A seed drill is a device used in agriculture that sows seeds for crops by positioning them in the soil and burying them to a specific depth. This ensures that seeds will be distributed evenly. The seed drill sows the seeds at the proper seeding rate and depth, ensuring that the seeds are covered by soil.

4. the chemical processes by which atmospheric nitrogen is assimilated into organic compounds, especially by certain microorganisms as part of the nitrogen cycle.

5. Jassids, Leaf folder

6. it is important because separation of grains from the chaff is necessary. chaff is the waste material which don't provides any energy to us.

7. Some important measures for its prevention are ; slaughtering of all apparently ailing birds, segregating of in - contact in group of 10 to 15 each; removal of all infective materials such as droppings, residues of poultry cleanliness ; and provision of separate attendants for each group of birds.

Answer 2

Answer:

1.tool for loosening or turning the soil before sowing seed or planting.

2.The undesirable and unwanted plants which grow naturally along with crops are called weeds.

3.A seed drill is a device used in agriculture that sows seeds for crops by positioning them in the soil and burying them to a specific depth.

4.nitrogen fixation, any natural or industrial process that causes free nitrogen (N2

5.Apart from these, there are many other insect pests like Termites, Jassids, Leaf folder, Cabbage Diamond Black-moth, Leaf Roller, Red pumpkin beetle, Stem borer, etc. & noninsect pests like Root-knot nematodes, snails & slugs; all of them are equally harmful to your garden plants.

6.it is important because separation of grains from the chaff is necessary

Explanation:

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