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CHARACTERISTICS OF PHOSPHORUS LOSSES DUE TO SURFACE RUNOFF IN A PEACH ORCHARD AND THE EFFECTS OF INTER-PLANTING WHITE CLOVER (TRIFOLIUM REPENS L.) ON FRUIT YIELD AND QUALITY

文献类型： 外文期刊

作者： Guo, Zhi 1 ; Liu, Hong-jiang 1 ; Zhou, Wei 1 ; Chen, Liu-gen 1 ; Zheng, Jian-chu 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Agr Resource & Environm, Nanjing 210014, Peoples R China

2.Minist Agr, Key Lab Agr Environm, Beijing 100081, Peoples R China

关键词： peach orchard;phosphorus;Trifolium repens L.;Surface runoff;peach fruit yield;peach fruit quality

期刊名称：FRESENIUS ENVIRONMENTAL BULLETIN （ 影响因子：0.489； 五年影响因子：0.479 ）

ISSN： 1018-4619

年卷期： 2016 年 25 卷 12 期

页码：

收录情况： SCI

摘要： Within an orchard, in Taihu Lake Basin, China, which contained 12-year-old late-maturing peach trees (cultivar "Hujing"), during 2012-2014, different fertilizer application rates and management practices were applied. The effects of these treatments on soil phosphorus loss due to surface runoff, and peach fruit yield and quality, in the typical peach orchard, were investigated. In T1 (conventional fertilization practice), total phosphorus (TP) losses due to surface runoff were 1.88 and 1.80 kg.hm(-2), for 2012-2013 and 2013-2014, respectively; these mainly occurred from the peach fruit setting stage to the peach fruit ripening stage. Compared with T1, T2 (reducing fertilization practice to 70% of conventional) significantly reduced the quantity of TP losses, but TP loss coefficients significantly increased by 8.01% and 9.64%. Inter-planting white clover (Trifolium repens L.) (T3), not only significantly reduced the TP losses, but also TP loss coefficients by surface runoff (by 23.95% and 29.87%, respectively). And, the peach fruit yield, individual fruit weight, the contents of soluble solids and vitamin C, appeared higher in T3 than T1, but the differences were not significant. Furthermore, T3 fruit had significantly higher reduced sugar content and ratios of soluble solids to titratable acid (9.14% and 7.31%, respectively).

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