不同碳氮施肥组合对新疆滴灌棉田冠层CO2浓度、光合作用和产量的影响

干旱区研究 ›› 2011, Vol. 28 ›› Issue (4): 724-728.

不同碳氮施肥组合对新疆滴灌棉田冠层CO₂浓度、光合作用和产量的影响

尹飞虎¹, 高志建², 谢宗铭³, 陈冠文¹, 李晓兰²

1. 新疆农垦科学院, 新疆石河子 832000;
2. 新疆农垦科学院农田水利与土壤肥料研究所, 新疆石河子 832000;
3. 新疆农垦科学院分子农业技术育种中心, 新疆石河子 832000

收稿日期:2010-09-23 修回日期:2011-03-14 出版日期:2011-08-25 发布日期:2011-09-06
作者简介:尹飞虎(1954-),男,湖南平江人,研究员,博士生导师,主要从事植物营养方面的研究.E-mail:nkyyfh@sohu.com
基金资助:
"十一五"国家"863"重大专项(2006AA100218);新疆兵团重大科技攻关项目(GKB00NKYGJ12NY);国家自然科学基金(40973061)

Effects of Different Carbon and Nitrogen Fertilizer Combination Treatments on Canopy CO₂ Concentration, Photosynthesis and Yield Formation of Cotton Field under Drip Irrigation in Xinjiang

YIN Fei-hu¹, GAO Zhi-jian², XIE Zong-ming³, CHEN Guan-wen¹, LI Xiao-lan²

1. Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi 832000, Xinjiang, China;
2. Institute of Field Water Conservancy, Soil and Fertilizer Research, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi 832000, Xinjiang, China;
3. Center for Molecular Agrobiotechnology and Breeding, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi 832000, Xinjiang, China

Received:2010-09-23 Revised:2011-03-14 Published:2011-08-25 Online:2011-09-06

摘要/Abstract

摘要： 基于棉田膜下滴灌技术的管网设施,开展了随水滴施高水溶性碳素肥料,以提高棉田冠层CO₂浓度及其效应研究。通过设置不同的碳氮施肥组合处理,对棉花冠层CO₂浓度、光合速率及产量构成等进行测定分析。结果表明:随水滴施高水溶性碳素肥料(水不溶物<1%)能有效提高棉田冠层CO₂浓度;在不同的碳氮施肥处理中,盛花期冠层CO₂浓度随碳肥用量增加呈升高趋势。在水分充足、氮肥亏缺条件下, C₃₀₀+N_113.55处理的棉株光合速率相对较高,C₆₀₀+N₀处理光合速率最低;在籽棉产量方面,C₃₀₀+N_113.55处理最高,C₆₀₀+N₀处理最低,且产量差异达到显著水平。

关键词: 碳氮组合, 棉田冠层, CO₂浓度, 光合作用, 产量, 滴灌, 新疆

Abstract: Based on pipe network system of drip irrigation under plastic film, the possibility of increasing cotton field canopy CO₂ concentration and its effect were investigated via fertilization of dissolvable carbon fertilizer (water insoluble matter <1%). By setting different carbon and nitrogen fertilizer combination treatments, canopy CO₂ concentration, leaf photosynthetic rate and yield formation of cotton field in Xinjiang were analyzed. The results show that canopy CO₂ concentration was increased with the amount of carbon fertilizer increasing in cotton florescence. Under the conditions of providing adequate irrigation water and inadequate N fertilization, the leaf photosynthetic rate was higher under C₃₀₀+N_113.55 treatment (C₃₀₀ means that the amount of ammonium bicarbonate was 300 kg/hm²), and N_113.55 means that the amount of nitrogen was 113.55 kg/hm², and it was the lowest under C₆₀₀+N₀ treatment. The seed cotton yield under C₃₀₀+N_113.55 treatment was the highest, and it was the lowest under C₆₀₀+N₀ treatment. There was a significant difference in seed cotton yield among different carbon and nitrogen fertilizer combination treatments.

Key words: carbon and nitrogen fertilizer combination, cotton canopy, CO₂ concentration, photosynthesis, cotton yield, drip irrigation, Xinjiang

中图分类号:

S158.3

尹飞虎, 高志建, 谢宗铭, 陈冠文, 李晓兰. 不同碳氮施肥组合对新疆滴灌棉田冠层CO₂浓度、光合作用和产量的影响[J]. 干旱区研究, 2011, 28(4): 724-728.

YIN Fei-hu, GAO Zhi-jian, XIE Zong-ming, CHEN Guan-wen, LI Xiao-lan. Effects of Different Carbon and Nitrogen Fertilizer Combination Treatments on Canopy CO₂ Concentration, Photosynthesis and Yield Formation of Cotton Field under Drip Irrigation in Xinjiang[J]. , 2011, 28(4): 724-728.

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不同碳氮施肥组合对新疆滴灌棉田冠层CO₂浓度、光合作用和产量的影响

Effects of Different Carbon and Nitrogen Fertilizer Combination Treatments on Canopy CO₂ Concentration, Photosynthesis and Yield Formation of Cotton Field under Drip Irrigation in Xinjiang

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