ADVANTAGE OF REACTIVE DYES

Permanency of colour : Fibre reactive dyes can be easily said to be the most permanent

of all dye types. This is because of an unique quality, like other dies it can be actually

form a covalent bound with substeate (cellulose or protein Molecule) after the formation

of bond, there is only are molecule as the molecule as the molecule of cellulose fibre

molecule.

Easy washing : The fibre that are dyed reactive dyes can be safely dyed even with white

garments without danger of colouring it.

Chemical Bonding : Chemical bounds as explained above significantly improves

products colour, stability and wash ability. Thus no doubt reactive dye of cotton is

presently most popular textile dyeing process in the word.

TYPES OF REACTIVE DYES

Three types of reactive dyes

1. Vinylsulphone Dye : These are moderately reactive. The dyeing temperature

is generally 600°C and, it is 11.5 that gets applied by utilizing the mixture of

Soda Ash and Castic Soda. These dyes shows excellent fixation properties

under proper alkaline condition. A typical eg. is remazol Black B.

2. Monochlorotriazine Dye (MCT) : Normally. These dyes are less reactive

than vinyl sulphone dyes. Reaction can place in more energetic reaction i.e. is

typically 800C pH value of 10.5 are essential for a proper fixation cellulose

fibre. A typical monochlorotriazine dye is shown here

3. Bi-funcational Dye : A bi functional dye is a form of reactive dye that shows

more than one type of reactive group in a molecule Reactive dye are designed

in such a manner to have capacity to react with fibre in more than as simple

way.

APPROACHES OF EXTENSION

Rural development means rural transformation. Change is not only the method of

the production and of economic institution but of social and political infrastructure and

transformation of Human relationships. Various approaches have been used to achieve

these objectives. A brief account of the important approaches is discussed below :

1. Integrated approaches : Supported of this approaches are of the opinion that it

achieves more long lasting result. Infact the system approach is used to

achieve the proper linkages with in and between various basic requirements

for such as integrated plant of action

2. Provision to the rural people of more productive and socially satisfying

employment apart from Agriculture.

3. An equal distribution of the material and non material benefits of production

and provision of services related to social security.

4. Fuller participation of the rural people in development activities and

interelavent decision making processes.

5. Better management of renewable and non-renewable sources.

6. Self help approach : Self help approach is based on the concept that rural

transformation must and should be brought through transformation of the

attitude and behavioural of rural people themselves. The main principle of this

approach are :

7. The programme msut centre its efforts among the farmers.

8. It must be a grass root movements.

9. It must cover the following major problems :

a) Poverty b) Diseases

c) Illiteracy d) Self government

Such type of programmes play every emphasis on non-formal education.

Intensive Agriculture Development Approach

This approach is also known as package progrramme

It has been noticed that use of the single improve practice is not very rewarding

Crops have a variety of needs if good production is to be obtained

The package of improve practices provides a simple way by which farmers can increase

their production

Indian intensive agriculture district programme (IADP) is one of the successful project of

this approach

Farmers Association and Training Approach

In this approach the farmers are provided with basic skills and related knowledge

through instructional unit combining theory and practical. This approach is suitable and

the second stage of development. Main emphasis in this approach is to link production

input with technical knowledge and the development of farmers skill through a plan and o

plan and organized training programme.