class 8th science chapter 1
What is crop production write their name of agricultural practices.
Answers
Answer:
1. Soil preparation: (LoosenIng of top soil)
Ploughing – Process of loosening and turning the soil up and down to facilitate nutrient availability.
levelling – Done with leveller and helps in uniform distribution of water for irrigation
Basal Nianuring – Increase soil fertility by manuring
2. Sowing of seeds:
Hand – Scattering of seeds by hand.
Seed Drill – Sowing seeds by iron drills attached to a tractor.
Dibbling – Placing seed in furrow or pits or hole by hand.
3. Adding manure and fertilisers:
Manure is a substance added to the soil in the form of Nutrients to enhance plant growth.
Organic Sources – Plant and animal waste
.Synthetic Sources – Urea, Super phosphate.
4. Irrigation:
Supply of water to crops:
Traditional method – Irrigation done manually.
Modem method – Involve two systems. Sprinkler system Drip system
5. Harvesting of crops:
Manual harvesting – Harvested without tools. Eg – Groundnut crop, green gram, black gram, house gram.
Mechanical method – Harvesting by instruments small sized farms Eg – Sickle.
Machine harvesting – Used for large sized farms.
6. Threshing and Winnowing:
Process of separating the grains from their chaffs or pods.
7. Storage:
Supply of the produce has to be stored properly.
Grains must be free from moisture to avoid growth of microorganism.
Need to be dried in Sun before storing.
Collected in Gunny bags and stored in go downs.
Answer:
. Crop production includes all the feed sources that are required to maintain the dairy herd and the resource inputs used to produce the crops.
. The inventory would include the production of all feed crops raised on the farm, purchased from a vendor or other farm, or sold to another farm.
. Various tasks performed by farmers for crop production are termed as Agricultural practices.
1. Soil preparation. Before raising a crop, the soil in which it is to be grown is prepared by ploughing, levelling, and manuring.
2. Sowing. Selection of seeds of good quality crop strains is the primary stage of sowing
3. Crop Diversity & Rotation.
4. Benefits of Animals.
5. Pest Management.