CROP PRODUCTION AND MANAGEMENT | Class 8 Science Notes
By ConceptScroll Team · Published on 17 July 2026 · 3 min read
CROP PRODUCTION AND MANAGEMENT – this guide gives you a concise, exam-ready overview of CROP PRODUCTION AND MANAGEMENT from Class 8 Science, written by ConceptScroll editors and reviewed against the latest NCERT textbook.
Preparation of Soil
Preparation of soil is the first and most important step in crop production. Soil preparation involves loosening and turning the soil to make it suitable for sowing seeds. This process is called tilling or ploughing. It helps to aerate the soil, improve water retention, and remove weeds and old roots. The soil becomes soft and porous, which facilitates the penetration of roots and the absorption of nutrients and water. Traditionally, farmers used wooden ploughs pulled by bullocks, but now tractors and mechanized ploughs are commonly used for faster and more efficient soil preparation. After ploughing, the soil is leveled and broken into smaller pieces by harrowing, which helps in creating a fine seedbed. Proper soil preparation also helps in mixing organic matter and fertilizers evenly in the soil, which is essential for healthy plant growth. The quality of soil preparation directly affects the germination of seeds and the overall yield of the crop.
📊 Diagram: Diagram shows a farmer ploughing the field with bullocks and a tractor ploughing the field, illustrating traditional and modern methods of soil preparation (See figure_1).
🧪 Activity: Activity: Visit a farm and observe the tools used for soil preparation. Note the difference between traditional and modern methods.
🔗 Connection: Leads to the next section 'Sowing' which explains the process of planting seeds in the prepared soil.
Frequently asked questions
1. Select the correct word from the following list and fill in the blanks. float, water, crop, nutrients, preparation (a) The same kind of plants grown and cultivated on a large scale at a place is called __________. (b) The first step before growing crops is __________ of the soil. (c) Damaged seeds would __________ on top of water. (d) For growing a crop, sufficient sunlight and __________ and __________ from the soil are essential.
(a) The same kind of plants grown and cultivated on a large scale at a place is called crop.
(b) The first step before growing crops is preparation of the soil.
(c) Damaged seeds would float on top of water.
(d) For growing a crop, sufficient sunlight and water and nutrients from the soil are essential.
2. Match items in column A with those in column B. A (i) Kharif crops (ii) Rabi crops (iii) Chemical fertilisers (iv) Organic manure B (a) Food for cattle (b) Urea and super phosphate (c) Animal excreta, cow dung urine and plant waste (d) Wheat, gram, pea (e) Paddy and maize
Matching: (i) Kharif crops - (e) Paddy and maize (ii) Rabi crops - (d) Wheat, gram, pea (iii) Chemical fertilisers - (b) Urea and super phosphate (iv) Organic manure - (c) Animal excreta, cow dung urine and plant waste
3. Give two examples of each. (a) Kharif crop (b) Rabi crop
(a) Examples of Kharif crops: Paddy, Maize (b) Examples of Rabi crops: Wheat, Gram
4. Write a paragraph in your own words on each of the following. (a) Preparation of soil (b) Sowing (c) Weeding (d) Threshing
(a) Preparation of soil: It involves loosening and turning the soil by ploughing to make it suitable for sowing seeds. It helps in aeration and mixing of nutrients.
(b) Sowing: It is the process of planting seeds in the soil at proper depth and spacing to ensure good germination.
(c) Weeding: It is the removal of unwanted plants (weeds) that compete with crops for nutrients, water and sunlight.
(d) Threshing: It is the process of separating grains from the harvested crop plants, usually by be
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