养殖污水对尾巨桉幼林生长的影响
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摘要
以养殖污水径流沟周边1.5 a尾巨桉人工林为调查对象,研究分析养殖污水对林木生长量、生理指标和生物量的影响。结果表明:尾巨桉吸收了养殖污水的水分和养分之后,叶面积、叶面积指数和平均冠幅面积增大,从而促进胸径、树高的生长和林木单株材积、生物量的增加。说明尾巨桉不但有较好的耐污能力,还能化害为利,吸收固定污水中的水分和养分,促进自身生长,实现资源再生。
In order to study 1.5 year old plantation of E. urophylla × E. grandis plantation irrigated with wastewater from livestock breeding operations, the effects of such wastewater on tree growth, physiological indexes and the biomass were analyzed. The results showed that the water and nutrients provided by such treatment resulted in increases in leaf area, leaf area index and average crown area of E. urophylla × E. grandis. As a result, diameter at breast height, tree height, individual volume and biomass were all significantly greater than the control(unirrigated trees). The results demonstrated that E. urophylla × E. grandis can tolerate such wastewater, in controlled applications. Consequently plantations of this species can be used for uptake and advantageous utilization of wastewater from livestock breeding operations, turning it into an economically valuable resource.
In order to study 1.5 year old plantation of E. urophylla × E. grandis plantation irrigated with wastewater from livestock breeding operations, the effects of such wastewater on tree growth, physiological indexes and the biomass were analyzed. The results showed that the water and nutrients provided by such treatment resulted in increases in leaf area, leaf area index and average crown area of E. urophylla × E. grandis. As a result, diameter at breast height, tree height, individual volume and biomass were all significantly greater than the control(unirrigated trees). The results demonstrated that E. urophylla × E. grandis can tolerate such wastewater, in controlled applications. Consequently plantations of this species can be used for uptake and advantageous utilization of wastewater from livestock breeding operations, turning it into an economically valuable resource.
引文
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[11]吴建敏,徐俊,翟云中,等.畜禽规模养殖废水污染因子监测评价分析[J].家畜生态学报,2009,30(4):48-51.
[2]曾国耿.蔬菜基地消纳猪粪尿排泄物能力的测试研究[J].浙江畜牧兽医,2011,(2):25-26.
[3]陈晓锋,常志州,黄红英,等.养殖污水回用对水稻产量及土壤肥力的影响研究[J].中国土壤与肥料,2009,(2):39-42.
[4]廖新俤,骆世明.人工湿地对猪场废水有机物处理效果的研究[J].应用生态学报,2002,13(1):113-117.
[5]DB35/T513—2003.巨尾桉尾巨桉短周期工业原料林丰产技术规程[S].福州:福建省质量技术监督局,2003.
[6]王希群,马履一,贾忠奎,等.叶面积指数的研究和应用进展[J].生态学杂志,2005,24(5):537-541.
[7]温远光,陈放,刘世荣,等.广西桉树人工林物种多样性与生物量关系[J].林业科学,2008,44(4):14-19.
[8]陈少雄.桉树人工林土壤养分现状与施肥研究[J].桉树科技,2009,26(1):52-63.
[9]黄龙杰.闽南山地巨尾桉施肥试验研究[J].福建林业科技,2002,29(S1):20-23.
[10]何国华,李慧,彭仕尧,等.3种肥料处理对尾细桉生长的影响研究[J].桉树科技,2014,31(1):1-6.
[11]吴建敏,徐俊,翟云中,等.畜禽规模养殖废水污染因子监测评价分析[J].家畜生态学报,2009,30(4):48-51.