摘要
模拟水肥一体化滴灌条件下灌溉过程,在控制灌水的条件下测定水肥一体化和常规施肥2种施肥方式下烟叶烤后样中氯含量和钾含量,并测定水肥一体化试验地烟株根际0~60 cm土壤氯离子含量,分析水肥一体化滴灌模式对深度0~40 cm的农田土壤中氯离子运移的影响。结果表明:水肥一体化滴灌模式可显著降低烟叶氯含量,提高钾氯比,提高烟叶质量;同时水肥一体化模式可降低0~40 cm土层中氯离子含量,促使土壤中氯离子向下迁移,在较深的土层中聚积,从而降低植物根际土壤中氯离子含量,减轻烤烟的氯危害。
Using drip irrigation to simulate the drip irrigation process under the condition of integrated water-fertilizer drip irrigation with controled irrigation conditions, the chlorine and potassium contents in tobacco leaves after flue-curing under the condition of integrated water-fertilizer and conventional fertilization were measured, and the chloride content in 0-60 cm soil in the rhizosphere of tobacco plants in the experimental site of integrated water-fertilizer drip irrigation was determined, and the effects of integrated drip irrigation with water and fertilizer on chloride transport in farmland soils with depth of 0-40 cm were analyzed. The results showed that the integrated water-fertilizer drip irrigation model could significantly reduce the chlorine content of tobacco leaves, increase K/Cl ratio and improve the quality of tobacco leaves; at the same time, the integrated water-fertilizer model could reduce the chloride content in 0-40 cm soil layer, promote the chloride ion to migrate downward and accumulate in deeper soil layer, thus reduce the chloride content in Rhizosphere of plants, and alleviated the chlorine hazard of flue-cured tobacco.
引文
[1] 文娜.肥料中氯离子含量对作物的影响 [J].新疆化工,2006(1):47-48.
[2] 徐明岗.可变电荷土壤和恒电荷土壤Cl-吸附特性的研究 [J].土壤与环境,2001,10(2):111-114.
[3] 马国瑞,王寿祥,钟杭.氯离子对马铃薯同化14CO2及吸收32P和15NO-3的影响 [J].浙江农业大学学报,1993,19(3):66-69.
[4] 葛鹏,唐雪群.玉米耐氯临界值研究 [J].沈阳农业大学学报,1992,23(S):84-88.
[5] 刘春生,李西.氯对植物的营养功效、毒害及含氯化肥的合理施用 [J].山东农业大学学报,1996,27(1):118-121.
[6] 韩富根.烟草化学 [M].北京:中国农业出版社,2010:168-169.
[7] 韩忠明,李章海,黄刚,等.我国主要烟区烤烟氯含量特征比较研究 [J].贵州农业科学,2008,36(1):106-107.
[8] 张翔,范艺宽,黄元炯,等.烤烟吸收氯的主要来源及其在体内分布的研究 [J].土壤肥料,2006(2):62-64.
[9] 王亚宁,张翔,范艺宽,等.烟草氯素营养研究进展与展望 [J].中国农学通报,2017,33(27):66-70.
[10] 陈海生,魏跃伟,刘国顺,等.河南省烤烟种植区土壤综合肥力评价 [J].水土保持研究,2011,18(3):131-136.
[11] 蒋佳磊,陆扬,苏燕,等.我国主要烟叶产区烤烟化学成分特征与可用性评价 [J].中国烟草学报,2017,23(2):13-27.
[12] 刘和平,朱玉周,代佩玲,等.郑州市城市气候特征分析 [J].气象与环境科学,2009,32(1):72-74.
[13] 吕泉渠,方文熙,郑文鑫,等.基于CATIA的烟叶拔杆机设计与仿真 [J].福建农机,2013(1):36-38.
[14] 范艺宽,张翔,黄元炯,等.河南烟区土壤和灌溉水氯含量状况评价 [J].烟草科技,2003(8):39-41.
[15] 卫宣志.水肥一体化条件下氮用量和施肥方式对烟草草品质及产量的影响 [D].郑州:河南农业大学,2017.
[16] 席奇亮,赵科,邢雪霞,等.水肥一体化的滴灌模式对烟叶质量及经济效益的影响 [J].中国农学通报,2017,33(18):153-158.
[17] 何佳.乌蒙烟区烤烟上部叶质量提高的温度效应研究 [D].郑州:河南农业大学,2018.
[18] 彭成林,袁家富,毕庆文,等.施氯对烤烟生长及氯在烟株体内分布的影响 [J].湖北农业科学,2003(4):63-65.
[19] 李文卿,陈顺辉,谢昌发,等.烟田土壤养分迁移规律研究(Ⅱ):中微量元素的迁移规律 [J].中国烟草学报,2004,10(1):21-25.
[20] 席奇亮,杨铁钊,周方,等.水肥一体化条件下烤烟氮素营养高效利用研究 [J].中国烟草学报,2018,24(2):74-83.
[21] 徐照丽,杨宇虹,段玉琪,等.施氮水平对不同烤烟品种氯吸收利用的影响 [J].基因组学与应用生物学,2015,34(10):2245-2250.
[22] 张江辉,王全九,巨龙,等.田间滴灌入渗与蒸发条件下土壤水盐分布特征 [J].干旱区地理,2009,32(5):684-690.