| Effect of nitrogen, phosphorus and water coupling on cotton yield in the arid region of Xinjiang |
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| DOI：10.7606/j.issn.1000-7601.2010.06.19 |
| Key Words: cotton water and fertilizer coupling mathematics model yield effects |
| Author Name | Affiliation | | LI Pan | Institue of Soil and Ferilizer, Xinjiang Academy of Agriculturd Sciences，Urnmuqi, Xinjang 80000, China | | JI Hengying | College of Ljfe Science and Chemistry，Xinjiang Normal University， Urumuqi, Xinjiang 830046，China | | MA Xingwang | Institue of Soil and Ferilizer, Xinjiang Academy of Agriculturd Sciences，Urnmuqi, Xinjang 80000, China | | YANG Tao | Institue of Soil and Ferilizer, Xinjiang Academy of Agriculturd Sciences，Urnmuqi, Xinjang 80000, China |
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| Abstract: |
| Artificial water control experiments in cotton field were conducted in arid region of Xingjiang to study the
effect of water and fertilizer coupling on cotton yield with 3 factors and 5 levels of 311-B quasi-plump .The order of vari-ous factors impacting on the production was water(X1)>N(X2)>P(X3). The effect of irrigation quantity ranked first，followed by nitrogen and phosphorus in the trials; the order of interaction effect of various factors was WN>WP>NP. It showed that nitrogen had leading function in crop growth under different irrigation conditions. Interaction efect of various factors promoted yield, and the interaction effect between nutrient factors as well as water was higher than N and P. The results showed that the amount for highest yield 4 707.94 kg/ hm2 was nitrogen 281.76 kg/hm2, phosphorus 104. 73 kg/ hm2and water 5 765. 24 m3/hm2 |
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