分根区交替灌溉对北疆加工番茄生理生长及产量的影响

doi:10.3969/j.issn.1674-8530.18.1011

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Abstract Alternate root-zone irrigation is widely used in horticultural crops and crops to achieve the purpose of high efficiency and water saving. In this study, a barrel planting experiment was conducted to study the physiological growth and yield changes of processing tomatoes at three irrigation levels(W1: 5 850 m³/hm², W2: 4 500 m³/hm², W3: 3 150 m³/hm²)by combining three irrigation metho-ds(AI, FI, CI)with drip irrigation film mulching. The results show that under W1 condition, AI, compared with CI, significantly increases root dry matter quality, yield and water use efficiency by 5.95%, 16.87% and 17.29% respectively. Compared with FI, it increases root dry matter quality, yield and water use efficiency by 14.62%, 19.77% and 8.33% respectively. The maximum value of SPAD, F_v/F_m, Q_p, P_n and iWUE are all in AIW1 treatment, the maximum value of non-photochemical quenching coefficient N_pq is appeared in FIW3 treatment. There is a good correlation between yield, net photosynthetic rate and root-shoot ratio. In summary, AIW1 is the best irrigation mode that is conducive to the efficient water-saving and yield increase of processing tomatoes.

Key words： processing tomato alternate root-zone irrigation physiology and growth water use efficiency yield

Received: 30 March 2018

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	ZHAO Di-

	WANG Zhen-Hua-
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	LI Wen-Hao-

	ZHANG Jin-Zhu-

	吕De-Sheng-

	ZHANG Ji-Feng-

Cite this article:

ZHAO Di-^,,WANG Zhen-Hua-^{等. Effects of alternate root-zone irrigation on physiological growth and yield of processing tomatoes in northern Xinjiang[J]. Journal of Drainage and Irrigation Machinery Engin, 2018, 36(8): 662-667.}

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http://zzs.ujs.edu.cn/pgjx/EN/10.3969/j.issn.1674-8530.18.1011 OR http://zzs.ujs.edu.cn/pgjx/EN/Y2018/V36/I8/662

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