Conditions for Cultivation of cotton:

• Cotton is a tropical & Sub-tropical crop. It requires high temperature. At the time of growing it requires 21°C to 24°C temperature. 
• It requires moderate rainfall of 50 cm to 100 cm. However it can cultivate in areas of lesser rainfall with the help of irrigation. 
• Deep black soil is well suitable to cotton crop. This soil is commonly known as Black cotton soil. This is capable of retaining moisture. 
• Cotton requires the use of Manures & fertilizers crop rotation helps to maintain fertility of the soil & improve the yield. 
• Cotton cultivation requires large amount of cheap labours for planting, thinning, seeding, picking of cotton. 
• Frosting, Moist weather & heavy rainfall are harmful to the crop. 
• Cotton plant is susecptible to disease & pests. It requires the use of insecticides & pesticides. 
• The Sunny weather is necessary at the time of harvesting the cotton.

Varieties of Cotton:-

(i) Long Staple Cotton : 

• It is the best variety . 
• It has over 3.8 cm in length. 
• Because of its length of fibre, fine & shining it is used for making fine & superfine quality of cloth. 
• It is largely grown in Punjab, Haryana, Maharashtra, TamilNadu & MadhyaPradesh etc.

(ii) Medium Staple Cotton : 

• The length of cotton fibre is between 2.5 cm to 3.8 cm is known as medium staple cotton. 
• It is used for making Medium cloth. 
• This is grown in Rajasthan, Punjab, TamilNadu, MadhyaPradesh, UttarPradesh, Karnataka etc.

(iii) Short Staple Cotton : 

• This is inferior variety with fiber length less than 2.5 cm. 
• It is used for making inferior quality of cloth, stuffing purpose, blending with synthetic, fibre etc. 
• This type of cotton production is reduced in India. 
• Uttar Pradesh, Andhra Pradesh & Rajasthan etc are growing this type of cotton.