Crop load management (CLM) for sustainable apple production in China
Suo, Gai-Di1; Xie, Yong-Sheng1,2; Zhang, Yi3; Cai, Ming-Yang4; Wang, Xue-Song4; Chuai, Jun-Feng1
2016-11-01
发表期刊SCIENTIA HORTICULTURAE
卷号211期号:2016页码:213-219
文章类型Article
摘要Biennial bearing is a common problem encountered in perennial fruit crops. In order to determine a suitable crop load for sustainable development of dryland apple orchards, we defined the concept of "appropriate productivity" and examined five crop load levels in an apple orchard ecosystem on the Loess Plateau, in Changwu, Shaanxi province, China. The orchards were planted with Fuji apple (Males domestica Borkh.) trees on M. sieversii rootstock since 1996. Crop load was limited to 53-54 (I), 67-68 (II), 80-81 (III), 94-95 (IV), and 107-108 (V) fruit per tree, using flower and fruit thinning by hand. Volumetric soil water content, total nutrient (N, P, and K) contents of branches, and economic benefit were then analyzed under each treatment over a 5-year period. Soil water content was found to be closely related to rainfall, with three seasonal periods recognized annually. Average water content in 2009-2013 ranked treatment II (21.98%) > III (21.57%) > I (20.61%)> IV (20.31%) > V (20.11%), in which treatments II and III were significantly higher than other treatments. With increasing soil depth, the water content showed an "increasing-decreasing-increasing" trend, with the highest value tending to occur within a depth of 40-100 cm. The nutrient contents of branches under treatments I-III were good and trees showed strong resistance to apple Valsa canker. From an economic perspective, the percentage of high quality fruit increased as did the economic benefits in treatments I-III. In conclusion, controlling fruit crop load effectively reduced fluctuations in production, increased the economic benefits, and maintained the health of the orchard ecosystem. The appropriate crop load level for mature apple orchards in the gully region of the Loess Plateau was deemed to be 67-81 fruit per tree. (C) 2016 Published by Elsevier B.V.
关键词Crop Load Management Apple Orchard Soil Water Branch Nutrients Biennial Bearing Flower/fruit Thinning
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.scienta.2016.08.029
关键词[WOS]FLOWER THINNING IMPROVES ; DEEP SOIL-MOISTURE ; FRUIT-QUALITY ; LOESS PLATEAU ; WATER-BALANCE ; BEARING ; PEAR ; ORCHARDS
收录类别SCI
语种英语
WOS研究方向Agriculture
WOS类目Horticulture
WOS记录号WOS:000386409800026
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5657
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Northwest A&F Univ, Coll Resources & Environm, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Soil & Water Conservat, Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China
4.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
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GB/T 7714
Suo, Gai-Di,Xie, Yong-Sheng,Zhang, Yi,et al. Crop load management (CLM) for sustainable apple production in China[J]. SCIENTIA HORTICULTURAE,2016,211(2016):213-219.
APA Suo, Gai-Di,Xie, Yong-Sheng,Zhang, Yi,Cai, Ming-Yang,Wang, Xue-Song,&Chuai, Jun-Feng.(2016).Crop load management (CLM) for sustainable apple production in China.SCIENTIA HORTICULTURAE,211(2016),213-219.
MLA Suo, Gai-Di,et al."Crop load management (CLM) for sustainable apple production in China".SCIENTIA HORTICULTURAE 211.2016(2016):213-219.
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