But a study by independent

Cotton Production Process


PRODUCTION

Before cotton can be processed into the many products it becomes. It must be planted, irrigated, nurtured with fertilizer, protected from

unwanted weeds, grasses and insects and harvested. This usually means loosening the soil to the depth of 1 to 2 ½ feet with tillage equipment. This will allow water and cotton roots to penetrate the soil and support the plant.

Cotton Trivia

United States cotton production stretches from California to Virginia, and normally covers more than 14 million acres or about 22, 000 square miles.

A seedbed (the row in which the cotton seed will be planted) is prepared by listing (forming land into ridges and furrow) the soil. This allows for faster warming of the soil in the spring and directs irrigation water across the field. Small amounts of soil enriching nutrients, such as nitrogen, phosphorus, potassium, may be added to the soil at this time.

Planting may be done by hand, but in the more advanced regions of the world, mechanical planters are used.

When the soil reaches optimum temperature, about 65 degrees, these implements will place the seeds in the soil, usually 1 to 2 inches deep, depending on soil type. The mechanical planters can cover as many as 12 rows at a time.

In some cotton production regions, where soil erosion is a problem, conservation tillage is used. In this system, crop residue from the previous crop or a cover crop is left on the soil surface to protect the soil from heavy rains and winds. A special planter is used to open the soil and place the seed without disturbing the protective cover.

As the plants demand it, when available, additional water is delivered to the fields. Sometimes only from natural rainfall, called rain-feed farming, or through irrigation (water application through artificial means), called irrigated farming. This can be accomplished in 3 different ways; 1) furrow irrigation takes place by simply running water down a seedbed furrow, 2) sprinkler irrigation is much like lawn sprinklers where pressurized water is sprayed out over an area, and 3) drip tape irrigation, this is a relatively new method of irrigation using buried tubing that releases water into the soil beneath the plant.

Most of today's commercial cotton farms use a combination of weed control methods. Such as, Cultivation which is done mechanically by machines called cultivators, hand rogueing or weed removal by people with the use of weed hoes and the application of chemical herbicides (chemicals used to control weeds). Chemical herbicides can be applied before or after the cotton is planted. Once the cotton plant has emerged, cultivation and hand rogueing must be done very carefully in order to kill the weeds but not harm the growing cotton plant. If the weeds were allowed to grow, they would compete for nutrients in the soil that are necessary for a healthy and productive cotton plant.

When the cotton plant is in it's seedling stage, it is very susceptible to soil borne fungal disease. There are several diseases that can stunt the growth of the plant, cause leaves to fall off, attack the roots and make the plant wither and die. If the effects of disease don't kill the plant, low yields and a poor quality cotton will result. Development of disease resistant cotton seed has become a priority in the industry. Cotton varieties resistant to some fungi and other destructive organisms have been developed and are being used in certain areas. There is still more research to be done before fungal disease is no longer a factor in producing cotton.

The plant's food, or nutrients, are referred to in agriculture as fertilizer. Nitrogen, phosphorus, potassium, sulfur, calcium and magnesium are the primary fertilizer elements (macronutrients) but there are several trace elements (micronutrients required in small quantities for optimum plant growth) also. These include copper, manganese, zinc, molybdenum, boron, chlorine and cobalt. Starter fertilizer is usually added to the soil before the seed is planted to provide nutrients to feed a healthy seedling. As the cotton plant grows, its nutrient requirement is monitored and any additions needed are applied.



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