NCERT Solutions For Class 8 Science Crop Production and Management
Class 8 Science Crop Production and Management : One basic thing that we all humans require for our survival is FOOD. So the question arises from where do we get this food ?
Class 8 student will say we get the food from the shop but from where does the shop get this food. It come to them from manufactrers thrugh supply chain.Now who are these manufacturers?
We will now understand who are these manufacturer, they are Farmers who grows crop for us to eat. This process is termed as agriculture. Lets discuss about agriculture and agriculture practices which is chapter 1 for Class 8 Science
Agriculture – Crop Production and Management
Growing plants and rearing animals for food, clothing, and other useful products is called agriculture.
Crops – Crop Production and Management
Plants of the same kind grown on a large scale for food clothing etc. are called crops.
Eg:-Cereals-Rice, wheat & Maize, etc.
Pulses-Urad, arhar, moong, etc.
Fruit- Mango, apple, banana, oranges etc.
Vegetables:-Spinach, potato, etc
Types of Crops – Crop Production and Management
Based on the growing season the crop grown in India is classified as Kharif crops and Rabi crops. Let’s discuss in detail:-
- Kharif Crop-These crops are planted in June and harvested in October. Eg: – Rice, maize groundnut, etc.
- Rabi Crop:- These crops are planted in November and harvested in April Eg:- wheat, barley,peas, and gram
Crops are grown with a lot of care and effort. Farmers perform a series of activities in a particular sequence over a period of time; these activities are known as agricultural practices. The below diagram explains about the activities undertaken under agricultural practices.
For having a better understanding on this structure contact for class 8th online class on www.takshilalearning.com
We will now move on to the next topic as per class 8 syllabus i.e. Soil preparation in this article.
Plants grow in soil; roots of plant absorb water, air and vital nutrients required from the soil. To ensure the availability of these requirements soil are prepared before growing a crops. This involves three major steps which we will discuss in detail now:-
- Ploughing:-The process of loosening and turning the soil is called ploughing or tilling. The importance of ploughing are:-
- It allows the roots to reach deeper into the soil helping the plant to fix the plant more firmly to ground
- Helps in trapping air in the soil
- Helps the soil to retain moisture for longer duration
- Helps in bringing nutrient-rich soil to the top
- Helps the soil to mix well with fertilizers
- Helps the removable of undesirable plants called weeds
The earthworms also help in loosening and turning the soil, they help in decaying of dead animals and plants in the soil. This process of decaying leads to the formation of a substance called Humus which is a rich nutrient to plants
Agricultural Implements-The tools needed to carry out agricultural practices are called agricultural implements. Eg:-Ploughs
- Ploughs is a tool help to plough soil.
- Levelling:-After ploughing big chunk of soil called clods may remain in fiels. By leveling these are crushed with levelers and this process is called levelling
- Applying Fertilizers:-Fertilizers are natural or chemical substances that contain one or more nutrients essential for plant growth. Now question arises why we need fertilizers, when crops are grown in the fields, they absorb nutrients from the soil. After growing different crops in the same fields over a period of time, the level of nutrients decreases as the crop utilizes the same. With the passage of time the soil became infertile so we need fertilizers to regain the same
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Tag: Process of Agriculture, Agricultural Practices, Crops, Types of Crops, Agricultural Implements, Soil Preparation, Crop Production and Management class 8
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