摘要
为科学评价不同节水灌溉技术的节水提质效果,采用滴灌（D）和穴灌（X）方式在烤烟不同生育期实施低水（L）、中水（M）、高水（H）3个灌水处理,并以雨养为对照（CK）,研究了其对烤烟品质和产量、产值及水分利用效率（WUEy）的影响。结果表明,滴灌中水、穴灌高水处理的烤烟产量较CK分别提高47.19%、33.83%,产值分别提高62.57%、43.31%,WUEy分别提高23.97%、9.57%;滴灌不同处理的烟叶钾离子、钾氯比较CK分别提高30.22%-75.16%、245.02%-350.76%,穴灌不同处理的烟叶钾离子、钾氯比较CK分别提高29.5%-41.43%、184.87%-343.03%;滴灌处理下各项指标均在适宜范围,提高了烟叶的香气、降低了烟叶的刺激性和有害物质;因此,滴灌和穴灌较雨养均可显著提高烤烟品质,滴灌、穴灌方式全生育期灌溉定额于67.2、44.8mm时分别达到最优。
For scientific evaluation on the effect of different water saving irrigation technology on the quality of water saving,drip irrigation（D）and hole irrigation（X）were used in different developing stages of the tobacco in the ways of low water（L）,medium water（M）,high water（H）treatments,and with rainfall as the control（CK）,whose effects on the flue-cured tobacco＇s quality,yield and water use efficiency（WUE）.The results showed that the irrigation water,high hole irrigation water treatment in flue-cured tobacco production increased by 47.19% and 33.83% respectively compared to CK,the output value increased by 62.57%and 43.31%,respectively,WUEyincreased by 23.97%and 9.57%,respectively.The potassium ion and potassium chloride in different treatments of drip irrigation were improved by 30.22%-75.16% and 245.02%-350.76%,respectively,while the potassium ion and potassium of tobacco leaves of different treatments of hole irrigating were improved by 29.5%-41.43%and 184.87%-343.03%,respectively.All the indicators under drip irrigation treatments were in the suitable range,improving the aroma of tobacco leaf,reducing the stimulation and harmful substances of tobacco leaves.Therefore,compared with CK,drip irrigation and hole irrigation could significantly improve the quality of flue-cured tobacco,among which drip irrigation mode of the full growth period of irrigation quota 67.2mm and the hole irrigation of 44.8mm could achieve the best respectively.
出处
《灌溉排水学报》
CSCD
北大核心
2015年第12期104-111,共8页
Journal of Irrigation and Drainage
基金
水利部公益性行业科研专项经费项目(201101039)
国家自然科学基金项目(51009101)
南方丘区节水农业研究四川省重点实验室开放基金项目(JSSYS2014-C)
2015省级公益性科研院所基本科研业务费项目(2060302-210)
关键词
烤烟
滴灌
穴灌
产量
品质
水分利用效率
flue-cured tobacco
drip irrigation
hole irrigation
production
quality
water use efficiency（WUE）
