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Crop Production and Management | Chapter 21 | 8th Science - Points to Remember, Glossary, Concept Map | 8th Science : Chapter 21 : Crop Production and Management

Chapter: 8th Science : Chapter 21 : Crop Production and Management

Points to Remember, Glossary, Concept Map

8th Science : Chapter 21 : Crop Production and Management : Points to Remember, Glossary, Concept Map

Points to Remember

* Kharif, Rabi and Zaid are the main crops cultivated in our country.

* Ploughing, sowing, applying fertilizers, harvesting and storage are the different activities in crop production.

* Sowing by hand, seed drill and dibbling are the methods of sowing seeds.

* The various sources of irrigation are wells, tube wells, ponds, lakes, rivers, dams and canal.

* Sprinkler and drip system are the modern methods of irrigation.

* The process of cutting and gathering a crop is called harvesting.

* The term harvesting also includes the immediate post-harvest practices such as threshing and winnowing.

* Mono cropping and mixed cropping are the two methods used in crop production.

* Seed bank is a place where seeds are stored in order to preserve genetic diversity.

* A bio-indicator or biological indicator is any species or group of species whose function or status reveals the qualitative status of the environment.

* Bio-predators, bio-pesticides, bio-repellents’ and bio-fertilizers are used for controlling microorganisms which cause damage to the crops, pests and insects.


GLOSSARY

1. Ploughing The process of loosening and turning of the soil.

2. Broadcasting The process of scattering of seeds on soil surface with hand.

3. Dibbling Placement of seed material in a furrow, pit or hole at predetermined spacing.

4. Sprinkler irrigation Method of applying irrigation water which is similar to natural rainfall.

5. Monoculture Planting of the same crop in the same field year after year.

6. Seed bank A place where seeds are stored in order to preserve genetic diversity.

7. ICAR Indian Council of Agricultural Research

8. KVK Krishi Vigyan Kendra (Farm Science Center)

9. Vermiwash A liquid that is collected after the passage of water though a column of worn action.

10. Panchgavya A promoter with a combination of five products obtained from the cow,which includes cow dung, cow’s urine , milk , curd and ghee.

11. Bio fertilizers Organisms which can bring about soil nutrient enrichment.


Concept Map


 

REFERENCE BOOKS

1. Introduction to Agronomy and Principles of crop production by SR Reddy

2. Traditional Organic Farming Practices by E. Somasundaram and D.  Udhaya Nandhini

3. Seed Technology by Ratten Lal Agarwal

 

INTERNET RESOURCES

 

1. www mdpi.com/2071 1050/9/11/1901/s1.

2. Karpagamextn@yahoo.co.in

3. www.isca. in

4. www.ijcmas.com

 

ICT CORNER

Crop Protection

 Lets enjoy and do agriculture in your mobile


Step 1 Open the browser and type the URL or scan the QR code given below.

Step 2 click on the INSTALL icon displayed in the screen to install the game in your mobile.

Step 3 Click the button TOUCH TO BEGIN and enjoy doing agriculture.


Web URL:

https://play.google.com/store/apps/details?id=com.giantssoftware.fs14&hl=en_IN

*Pictures are indicatives only.

*If browser requires, allow Flash Player or Java Script to load the page


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