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Agriculture and Environment最新文献

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Pesticides—Contemporary roles in agriculture, health, and the environment 农药——当代在农业、健康和环境中的作用
Agriculture and Environment Pub Date : 1982-06-01 DOI: 10.1016/0304-1131(82)90009-1
F.L. McEwen
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引用次数: 0
Heathlands and related shrublands: descriptive studies 希斯兰和相关的灌木地:描述性研究
Agriculture and Environment Pub Date : 1982-03-01 DOI: 10.1016/0304-1131(87)90012-9
A.J. Gray
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引用次数: 0
Estimation of the year-to-year variations in nitrate leaching in different soils and regions of England and Wales 英格兰和威尔士不同土壤和地区硝酸盐浸出的年际变化估计
Agriculture and Environment Pub Date : 1982-03-01 DOI: 10.1016/0304-1131(87)90005-1
I.G. Burns, D.J. Greenwood
{"title":"Estimation of the year-to-year variations in nitrate leaching in different soils and regions of England and Wales","authors":"I.G. Burns,&nbsp;D.J. Greenwood","doi":"10.1016/0304-1131(87)90005-1","DOIUrl":"10.1016/0304-1131(87)90005-1","url":null,"abstract":"<div><p>A model has been used to estimate the losses of N by leaching from arable soils throughout England and Wales during winter and spring. It is predicted that the extent to which autumn residues of nitrate are leached by winter rains varies considerably from year to year and from site to site, and that this variation will cause much bigger differences in the N fertilizer requirements of deep-rooted crops than of shallow-rooted ones. It is estimated that an average of about 42% of the N applied as fertilizer is leached from arable soils in England and Wales each year. However, the resulting increase in the average nitrate concentration in the drainage water is estimated to exceed 11.3 μg N/ml only in the Eastern region. Spring leaching of freshly-applied N fertilizer is likely to be generally small, and will have little effect on the N fertilizer requirements of deep-rooted crops, but may affect those of shallow-rooted crops in the west.</p></div>","PeriodicalId":100064,"journal":{"name":"Agriculture and Environment","volume":"7 1","pages":"Pages 35-45"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0304-1131(87)90005-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75377992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Malarial impact of surface irrigation projects: A case study from Gujarat, India 地表灌溉项目对疟疾的影响:来自印度古吉拉特邦的案例研究
Agriculture and Environment Pub Date : 1982-03-01 DOI: 10.1016/0304-1131(87)90004-X
T.K. Jayaraman
{"title":"Malarial impact of surface irrigation projects: A case study from Gujarat, India","authors":"T.K. Jayaraman","doi":"10.1016/0304-1131(87)90004-X","DOIUrl":"10.1016/0304-1131(87)90004-X","url":null,"abstract":"<div><p>Year-round irrigation and multiple cropping with paddy as a dominant crop in the monsoon months have given rise to an increase in the incidence of malaria over an 18-year period in the Mahi-Kadana Irrigation Project in Gujarat State, India. Further man-made disturbances such as over-irrigation, and lack of drainage have also compounded the problem. The remedies, apart from the conventional control and prevention measures, are better water management practices and continuous monitoring of the projects by an inter-disciplinary team which should include a public health administrator.</p></div>","PeriodicalId":100064,"journal":{"name":"Agriculture and Environment","volume":"7 1","pages":"Pages 23-34"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0304-1131(87)90004-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77965406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Comparative toxicities of five insecticides to the earthworm, Lumbricus terrestris 五种杀虫剂对蚯蚓的毒性比较
Agriculture and Environment Pub Date : 1982-03-01 DOI: 10.1016/0304-1131(87)90008-7
Ben Cathey
{"title":"Comparative toxicities of five insecticides to the earthworm, Lumbricus terrestris","authors":"Ben Cathey","doi":"10.1016/0304-1131(87)90008-7","DOIUrl":"10.1016/0304-1131(87)90008-7","url":null,"abstract":"<div><p>Earth worms (<em>Lumbricus terrestris</em>) were exposed under laboratory conditions to aldrin, endrin, DDE, parathion and carbaryl in seven different concentrations ranging from 1.5 to 150 μg/g of bedding. Results showed that earthworms were able to tolerate doses of up to 14 μg/g of bedding.without significant mortalities. However, some behavioral and physical symptoms such as “withdrawal responses” and discoloration of the skin were noted in animals where non-lethal dosages were employed. Aldrin and endrin gave an LD<sub>50</sub> of approximately 45 μg/g, DDE gave an LD<sub>50</sub> of 46 μg/g, parathion showed an LD<sub>50</sub> of 34 μg/g and carbaryl which gave an LD<sub>50</sub> of 28 μg/g showed the most lethal effect of all insecticides tested.</p></div>","PeriodicalId":100064,"journal":{"name":"Agriculture and Environment","volume":"7 1","pages":"Pages 73-81"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0304-1131(87)90008-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81592034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Farmer acceptance of alternative conservation policies 农民对其他保护政策的接受程度
Agriculture and Environment Pub Date : 1982-03-01 DOI: 10.1016/0304-1131(87)90002-6
Peter F. Korsching, Peter J. Nowak
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引用次数: 8
Agricultural development in Africa: Issues of public policy 非洲农业发展:公共政策问题
Agriculture and Environment Pub Date : 1982-03-01 DOI: 10.1016/0304-1131(87)90011-7
Joachim E. Tschiersch
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引用次数: 0
Food and agriculture in global perspective: discussion in the committee of the whole of the United Nations 全球视野中的粮食和农业:联合国全体委员会的讨论
Agriculture and Environment Pub Date : 1982-03-01 DOI: 10.1016/0304-1131(87)90010-5
Margaret R. Biswas
{"title":"Food and agriculture in global perspective: discussion in the committee of the whole of the United Nations","authors":"Margaret R. Biswas","doi":"10.1016/0304-1131(87)90010-5","DOIUrl":"https://doi.org/10.1016/0304-1131(87)90010-5","url":null,"abstract":"","PeriodicalId":100064,"journal":{"name":"Agriculture and Environment","volume":"7 1","pages":"Pages 84-87"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0304-1131(87)90010-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137222493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biomonitoring air pollutants with plants 植物对空气污染物的生物监测
Agriculture and Environment Pub Date : 1982-03-01 DOI: 10.1016/0304-1131(87)90014-2
F.T. Last
{"title":"Biomonitoring air pollutants with plants","authors":"F.T. Last","doi":"10.1016/0304-1131(87)90014-2","DOIUrl":"https://doi.org/10.1016/0304-1131(87)90014-2","url":null,"abstract":"","PeriodicalId":100064,"journal":{"name":"Agriculture and Environment","volume":"7 1","pages":"Pages 93-94"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0304-1131(87)90014-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137222494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Integrated control of damson-hop aphid, Phorodon humuli, on English hops: A review of recent work 酒花蚜对英国酒花的综合防治研究进展
Agriculture and Environment Pub Date : 1982-03-01 DOI: 10.1016/0304-1131(87)90007-5
J.E. Cranham
{"title":"Integrated control of damson-hop aphid, Phorodon humuli, on English hops: A review of recent work","authors":"J.E. Cranham","doi":"10.1016/0304-1131(87)90007-5","DOIUrl":"10.1016/0304-1131(87)90007-5","url":null,"abstract":"<div><p>Damson-hop aphid, <em>Phorodon humuli</em>, is the major insect pest of English hops and has developed marked resistance to many organophosphates (OPs), and lower levels of resistance to other OPs, carbamates and endosulfan used as foliar sprays. Current control methods rest heavily on the systemic OP mephosfolan applied as a soil drench. After the persistent aphidical action of an early-season (May) soil drench of mephosfolan has declined, insect predators, particularly <em>Anthocoris nemoralis</em> and <em>A. nemorum</em>, can usually contribute greatly to control for the remainder of the season, especially within the hop cones. Means of suppressing aphids in July/August with minimum harm to predators are essential for a commercially feasible system of integrated control; possible methods of achieving this are discussed.</p></div>","PeriodicalId":100064,"journal":{"name":"Agriculture and Environment","volume":"7 1","pages":"Pages 63-71"},"PeriodicalIF":0.0,"publicationDate":"1982-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0304-1131(87)90007-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78463265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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