灌溉排水学报

2019, v.38(S1) 6-12

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水肥一体化模式对马铃薯干物质积累及水分利用效率的影响
Effect of Different Fertigation Patterns on Dry Matter Accumulation and Water Use Efficiency of Potato

刘坤雨;蒙美莲;陈有君;张海斌;孟丽丽;王佳明;
LIU Kunyu;MENG Meilian;CHEN Youjun;ZHANG Haibin;MENG Lili;WANG Jiaming;College of Agronomy, Inner Mongolia Agricultural University;College of Life Science, Inner Mongolia Agricultural University;

摘要(Abstract):

【目的】探寻适宜于内蒙古阴山北麓地区马铃薯节水高效种植的水肥一体化模式。【方法】采用大田裂区试验,研究了3种灌水量(1 200、2 100、3000 m~3/hm~2)和3种施肥模式(味丹腐殖酸肥、中化大量元素水溶肥、常规NPK肥)组成的9种水肥一体化模式对马铃薯干物质积累及水分利用效率的影响。【结果】较基于腐殖酸肥和大量元素水溶肥施肥模式的水肥一体化模式相比,基于常规NPK配施施肥模式的水肥一体化模式马铃薯全株和块茎干物质快速积累持续时间长、干物质快速积累期间积累速率快,茎、叶、块茎各器官干物质积累量多,茎叶和块茎干重平衡期适期出现,茎叶生长和块茎生长关系协调,产量分别显著增加38.95%~46.93%和35.40%~39.63%,水分利用效率显著提高39.37%~42.96%和33.83%~44.25%。1 200 m~3/hm~2灌水量较2 100、3000 m~3/hm~2灌水量下水分利用效率显著增加27.63%~37.56%、49.62%~57.62%,灌水量对产量影响不显著。【结论】在内蒙古阴山北麓地区相似于本试验条件的马铃薯生产中,推荐使用1 200 m~3/hm~2与常规NPK肥结合的水肥一体化施用模式,既可提高产量,也能节约用水。
【Objective】Explore the fertigation patterns of the high efficiency planting of potato suitable for the northern foothills of Yinshan, Inner Mongolia.【Method】The effects of 9 the fertigation patterns on the dry matter accumulation and yield and water use efficiency of potato were studied by using the field experiment of split plot,there are three kinds of irrigation levels 1 200 m~3/hm~2, 2 100 m~3/hm~2, 3 000 m~3/hm~2 and three kinds of fertilization patterns Weidan humic acid fertilizer, Zhonghua major elements water-soluble fertilizer, conventional NPK fertilizer.【Result】Compared with humic acid fertilizer and major elemental water-soluble fertilizer, the time of duration and the accumulation rate of potato whole plant and tuber dry matter accumulated under the fertigation patterns of conventional NPK fertilization pattern were increased during rapidly accumulation period, the dry matter accumulation of stem, leaf and tuber were increased, the dry weight balance period of stem, leaf and tuber was early appeared, and the relationship between stem and leaf growth and tuber growth was coordinated. Yield and water use efficiency of the fertigation patterns of conventional NPK fertilization pattern can significantly increased by 38.95%~46.93%, 35.40%~39.63% and 39.37%~42.96%, 33.83%~44.25% compared with humic acid fertilizer and major elemental water-soluble fertilizer. The water use efficiency of the 1 200 m~3/hm~2 compare with that of 2 100 m~3/hm~2 and 3 000 m~3/hm~2 was significantly increased 27.63%~37.56% and 49.62%~57.62%, but the effect of irrigation water on yield was not significant.【Conclusion】In potato production similar to the experimental conditions in the northern foothills of Yinshan, Inner Mongolia, it is recommended to use fertigation patterns of 1 200 m~3/hm~2 combined with conventional NPK fertilizer, which can not only increase the yield, but also economize the water.

关键词(KeyWords): 水肥一体化;马铃薯;干物质积累;产量;水分利用效率
fertigation;potato;dry matter accumulation;yield;water use efficiency

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基金项目(Foundation): 国家现代农业产业技术体系建设专项(CARS-09-P10)

作者(Author): 刘坤雨;蒙美莲;陈有君;张海斌;孟丽丽;王佳明;
LIU Kunyu;MENG Meilian;CHEN Youjun;ZHANG Haibin;MENG Lili;WANG Jiaming;College of Agronomy, Inner Mongolia Agricultural University;College of Life Science, Inner Mongolia Agricultural University;

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