Improvement In Crop Yields
Chapter Name : Improvement In Food Resources |
Sub Topic Code : 103_09_15_01_09 |
Topic Name : Improvement In Crop Yields |
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Sub Topic Name : Crop Protection Management |
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Introduction
Crop protection management - Field crops are infested by a large number of weeds, insect pests and diseases. If these are not controlled it can damage the crop.
Pre-Requisites:
What is crop protection management and how is it carried out?
Activity:
Videos which show how plants are affected and get destroyed.
Real Life Question:
What are weeds? how are they harmful to the crops?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
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| Weeds | unwanted plants in the cultivated field. They compete for food, space and light. Weeds take up nutrients and reduce the growth of the crop. |
| Insects | attack the plants in three ways: (i) they cut the root, stem and leaf, (ii) they suck the cell sap from various parts of the plant, and (iii) they bore into stem and fruits |
| Diseases | Diseases in plants are caused by pathogens such as bacteria, fungi and viruses. These pathogens can be present in and transmitted through the soil, water and air. |
Learning aids / Gadgets
| Gadgets | How it can be used |
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Places to visit :
Farms, crop fields.
Practical examples around us
| Examples | Explainations |
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What you learn in Theory:
How crop protection management is carried out.
What you learn in Practice:
Why crop protection management is necessary.