棉 花 学 报     Cotton Science    2007，19(6)：455-460

The Calculations and Analyses on Thermal Production Potential of Cotton in Xinjiang
XU Wen-xiu^1，2，NIU Xin-xiang³，BIAN Xiu-ju^2*
(1.Hebei Agricultural University，Baoding 0710032，China；2. Xinjiang Agricultural University，Urumqi 830052，China；3.Institute of Soil and Fertilizer research，Xinjiang Academy of Agricultural Sciences， Urumqi 830091，China)

Abstract：According to New Theory of Compartmentalizing Xinjiang Cotton Regions，the radiation production potential and thermal production potential in every cotton sub-region of Xinjiang were calculated and analyzed based on light and heat resources. The results were as follows：Xinjiang were abundant in light and heat resources，the radiation production potential of cotton was very high in each cotton sub-region.The mean value was 13076.7 kg·hm^-2，which was 8.6 times of its average yield the last three years. The thermal production potential of Xinjiang cotton accounted 4391.2 kg·hm^-2 to 5502.6 kg·hm^-2，but it was still 2.3 to 3.9 times higher than its reality production. Among various cotton sub-regions of Xinjiang， the thermal production potential in mid maturity cotton sub-region was highest，the value hit 5502.6kg·hm^-2. From high to low，the rest were early-mid maturity cotton sub-region，early maturity cotton sub-region and special-early maturity cotton sub-region.
Key words：thermal production potential；increasing yield potential；cotton；Xinjiang 
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