Improvement In Crop Yields
Chapter Name : Improvement In Food Resources |
Sub Topic Code : 103_09_15_01_05 |
Topic Name : Improvement In Crop Yields |
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Sub Topic Name : Manure |
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Introduction
Manure - Manure contains large quantities of organic matter and also supplies small quantities of nutrients to the soil.
Pre-Requisites:
To know the importance of manure in growing of crops.
Activity:
Videos which show how manure is made through the process of compost and vermi-compost.
Real Life Question:
Is manure better than chemical fertilizer?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Manure | It is prepared by the decomposition of animal excreta and plant waste. |
| Compost | Farm waste material like livestock excreta (cow dung etc.), vegetable waste, animal refuse, domestic waste, sewage waste, straw, eradicated weeds etc. is decomposed. in pits |
| vermi-compost | Compost prepared by using earthworms to hasten the process of decomposition of plant and animal refuse. |
| Green manure | Some plants like sun hemp or guar are grown and then mulched by ploughing them into the soil. These green plants thus turn into green manure which helps in enriching the soil in nitrogen and phosphorus. |
Learning aids / Gadgets
| Gadgets | How it can be used |
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Real life uses :
Manure, increases soil fertility hence the plant growth is good which means the production of crops will be more and damage will be less.
Places to visit :
Farms and crop fields.
Practical examples around us
| Examples | Explainations |
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What you learn in Theory:
What is manure and how it is made.
What you learn in Practice:
Importance of using manure.