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Academia Journal of Agricultural Research最新文献

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Isolation, Molecular Characterization and Growth Promoting Activity of Free Living Diazotrophs Screened from Soils of Lesotho 莱索托土壤中游离重氮营养菌的分离、分子特性及促生长活性研究
Pub Date : 2016-02-01 DOI: 10.15413/AJAR.2015.0214
P. C. Monokoane, S. Mekbib, Liu Haiying
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引用次数: 2
Fatty acids pattern of olive oil under organic farming. 有机农业下橄榄油的脂肪酸模式。
Pub Date : 2014-02-01 DOI: 10.3844/ajessp.2014.123.128
N. Al-Rawashdeh
Organic farming is considered as a mitigation strat egy to face adverse effect of climate change and Consumers’ increasing their need for safe and quali ty food has motivated this research study. The oliv e oil of the Roman olive trees (Landrace) Olea Europea belong to the Oleaceae family growing under organic farming (in the transition period) conditions in Jordan Ajl un area was extracted by traditional method; warming water to the about 60°C and grounded the seeds make as paste then pour in the warmed water then take the oil layer floated at the surface. The oil was analyzed for fa tty acids pattern and compared with Romans trees ol ive oil grown at Burma Agriculture Station which has organic Certificate according to the Japanese Agriculture Standard (JAS) since 2007. The separation patterns of fatty acids were done by Gas Chromatography (GC). Results showed high levels of unsaturated fatty aci ds, particularly oleic acid (up to 67.49%), linolei c acid (13.31%) and linolenic acid (0.74%) in the oil of R omans trees growing in Ajlun area, while the organi c olive oil from the Romans olive trees growing at Burma Station showed 68.88% of oleic acid, 11.73% of linole ic acid and 0.67% of Linolenic acid. The analysis also showed that the palmatic saturated fatty acid was 12.54% at Burma Station compared to 11.82% in Ajlun area. The medicinal value of unsaturated fatty acids play great role for reducing cholesterol rate that was found i n high level of Romans olive trees (landrace).
有机农业被认为是应对气候变化不利影响的一种缓解策略,消费者对安全和高质量食品的需求日益增加,这促使了本研究的开展。采用传统方法提取约旦阿吉伦地区有机农业(过渡时期)条件下生长的罗马橄榄树(长株)Olea Europea属油橄榄科橄榄树的橄榄油;将水加热到60°C左右,将种子磨成糊状,然后倒入温水中,然后将油层浮在表面。分析了该油的脂肪酸模式,并与2007年通过日本农业标准(JAS)有机认证的缅甸农业站种植的罗马树油进行了比较。采用气相色谱法对脂肪酸进行分离。结果表明,在阿季伦地区生长的罗马橄榄树油中,不饱和脂肪酸含量较高,特别是油酸(高达67.49%)、亚油酸(13.31%)和亚麻酸(0.74%),而在缅甸站生长的罗马橄榄树的有机橄榄油中,油酸、亚油酸和亚麻酸含量分别为68.88%、11.73%和0.67%。滇缅站手掌饱和脂肪酸含量为12.54%,而阿季伦地区为11.82%。不饱和脂肪酸在罗马橄榄树(地方品种)中具有很高的降低胆固醇率的药用价值。
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引用次数: 1
Effects of organic and inorganic manures on the growth attributes of root-knot nematode (Meloidogyne incognita) infected Ethiopian egg plant (Solanum aethiopicum). 有机肥和无机肥对埃塞俄比亚茄根结线虫侵染后生长特性的影响
Pub Date : 2013-01-23 DOI: 10.12691/WJAR-1-6-2
S. Abolusoro, P. Abolusoro, F. Mathew, N. B. Izuogu
Pot experiment was conducted twice with a sterilized soil to evaluate the effects of organic manures (poultry, cow dung, domestic waste) and inorganic manure (NPK 15 : 15 : 15) on the growth attributes of root-knot nematode infected Ethopian egg plant Solanum aethiopicum in a screen house at Kabba College of Agriculture, Ahmadu Bello University Kabba, Nigeria. Each of the organic manure was applied at the rate of 5t/ha and the NPK fertilizer was applied at the rate of 200kg/ha, while there was an uncreated control which acted as standard check. The experiment was designed in a completely randomized design comprising of five treatments as earlier mentioned and each treatment was replicated four times. The result of the experiment shows that all the manures were effective in suppressing nematode activities as manifested in enhanced growth observed in both organic and inorganic manure treatments compared with the control. The mean plant height, number of leaves, stem girth and number of branches in organic and inorganic manure root-knot nematode infected Ethopian egg plant was of the range 46.5 ± 3.18, 19 ± 3, 1.24 ± 6 and 6 ± 1 respectively at the twelve week of the experiment while the order of 16.83, 11.33, 0.80 and 2.67 respectively were observed in control plants. Egg plants in control treatment were heavily galled by Meloidogyne incognita resulting in poor growth while the organic and inorganic manure treated egg plant recorded better growth and were significantly different from the control. This result suggests the use of organic manure as soil amendment for the control of root-knot nematode in the endemic soil where susceptible crop are to be grown.
在尼日利亚Kabba Ahmadu Bello大学卡巴农业学院的筛选室内,采用无菌土壤进行了2次盆栽试验,评价了有机肥料(禽粪、牛粪、生活垃圾)和无机肥料(NPK 15:15:15)对根结线虫感染的埃塞俄比亚茄生长性状的影响。每个有机肥按5t/ha施用,氮磷钾按200kg/ha施用,同时设一个未创建对照作为标准检查。本实验采用完全随机设计,包括5个处理,如前所述,每个处理重复4次。试验结果表明,有机肥和无机肥处理均能有效抑制线虫活性,表现为与对照相比,有机肥和无机肥处理均能促进线虫生长。有机肥和无机肥根结线虫侵染埃塞俄比亚虫卵植株12周的平均株高、叶数、茎周长和分枝数分别为46.5±3.18、19±3、1.24±6和6±1,而对照植株的平均株高、叶数、茎周长和分枝数分别为16.83、11.33、0.80和2.67。对照处理的虫卵植株受黑穗病危害严重,生长较差,而有机肥和无机肥处理的虫卵植株生长较好,且与对照差异显著。本研究结果表明,有机肥作为土壤改良剂,可有效防治根结线虫在易感作物特有种土壤中的发生。
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引用次数: 9
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Academia Journal of Agricultural Research
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