| Popis: |
Based on the analysis of the natural ecological conditions, yield, quality, brand, equipmen, technology, planting distribution, planting benefits, policy and social service in the Pima cotton-growing region of the United States, the following advantages and successful experiences of Pima cotton production in the United States were clarified: first, USA Pima cotton producing area is mainly concentrated in San Joaquin Valley (SJV) of California, where the water supply is enough, water and soil conservation good, light and heat resources abundant; second, the average planting scale in 2013-2017 was 788 32.8 hm2/ year, with the total yield of 127 540 t/year，the average yield per unit of 1 613.10 kg/hm2. The Pima cotton yield of the United States accounted for 25.1-47.0% of total ELS production in the world, ranking first among all ELS planting countries. American Pima cotton is shown in strong fiber strength, good micronaire value, proper uniformity, high color grade and leaf grade. So American Pima cotton is the most influential, it has become a popular raw material for textile enterprises to produce high-grade cotton fabrics. The raw materials for many brands of cotton textiles are designated as Pima cotton. The final net income of the farm owner is an average of $555/hm2. third, equipment material and technology is practical, advanced. The high yield and pest-resistant variety, high-efficient new fertilizers with low pollution, new pesticides (including herbicides, pesticides, defoliation ripener, chemical regulator), the integration of water, fertilizer and drugs, remote monitoring and control, as well as all kinds of modern agricultural machinery, advanced processing and testing equipment, all of which are first and widely used in the United States. Fourth, feasible and reliable modernized intensive farm management mode with large-scale agricultural machinery operation; fifth, although high production cost of American Pima cotton, high-efficient social services and policy support system, as well as reasonable planting distribution, good brand influence, synchronization of high yield and good quality with large-scale benefits. In a word, advantages and successful experiences of American Pima cotton production can provide other countries, especially China, Egypt with good reference and models in ELS production, and then the world ELS production level will be comprehensively improved. |
