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甘肃省蚕豆生产现状与发展途径 总被引:4,自引:1,他引:4
通过介绍蚕豆在甘肃省农业生产中的作用及发展蚕豆产业的优势 ,针对目前甘肃省蚕豆生产中存在的问题 ,提出甘肃省发展蚕豆产业的途径是 :突出优势 ,合理布局 ;依靠科技 ,提高蚕豆生产的整体效益 ;改善生产条件 ,实现蚕豆产业化 相似文献
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对湖北省豆类作物的生产情况、存在问题及营养价值做了归纳总结,并在此基础上提出了豆类作物的发展思路、目标及措施. 相似文献
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1 生产现状与规模 2001年全县以辣、菜、瓜为主的经济作物栽植总面积为6 713.3hm2,其中辣椒4 160hm2,蔬菜中的日光温室栽培面积30.73hm2,以大、中棚为主的"万元田"栽培266.7hm2,常规种植的蔬菜693.3hm2,洋葱260hm2,马铃薯133.3hm2,西甜瓜1 160hm2,栽培总面积较前些年略有上升. 相似文献
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Cruciferous weeds are competitive broad-leaved species that cause losses in winter crops. In the present study, research on
remote sensing was conducted on seven naturally infested fields located in Córdoba and Seville, southern Spain. Multi-spectral
aerial images (four bands, including blue (B), green (G), red (R) and near-infrared bands) taken in April 2007 were used to
evaluate the feasibility of mapping cruciferous patches (Diplotaxis spp. and Sinapis spp.) in winter crops (wheat, broad bean and pea) and compare the accuracy of different supervised classification methods
(vegetation indices, maximum likelihood and spectral angle mapper). The best classification method was selected to develop
site-specific cruciferous treatment maps. Cruciferous patches were efficiently discriminated with red/blue (R/B) and blue/green
(B/G) vegetation indices and the maximum likelihood classifier. At all of the locations, the accuracy of the results obtained
from the spectral angler mapper was relatively low. The cruciferous weed-classified imagery of each location were created
according to the method that provided the best discrimination results and were used to obtain site-specific treatment maps
for in-season post-emergence control measures or herbicide applications for subsequent years. By applying the site-specific
treatment maps, herbicide savings from 71.7 to 95.4% for the no-treatment areas and from 4.3 to 12% for the low-dose herbicide
were obtained. 相似文献
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欧盟不同国家对转基因生物的注册审批是有差异的,尤其是在转基因作物的培育上存在很大的争议。一些成员国允许培育转基因作物,而另一些成员国则禁止培育。其中一个解决方案是将审批流程国有化,这或许可以为当前的僵局提供一个解决方法(取决于它的实施情况)。随着世界上新型转基因生物的应用越来越多,进口转基因生物的注册审批流程陷入困境,导致注册审批的不同步和结构贸易破坏的发生率日益增高。当务之急就是需要可以超越目前国有化审批流程的改革措施。国际贸易中审批流程的不同步也会影响其他国家,因此,急需一个国际层面的解决方案。 相似文献
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西藏和平解放后,在党和人民政府的正确领导下,青稞生产也随着科技事业的兴起、生产条件的改善及物质投入的增加而得到了迅速的发展。本文主要总结了55年来青稞生产的经验,分析西藏青稞生产的现状和提出今后的青稞发展措施。 相似文献
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1生产发展情况热带作物机械是热带农业的一个重要组成部分,随着热带农业生产的发展需要,其类型已由传统的天然橡胶初加工机械和剑麻加工机械逐步延伸到木薯、咖啡、椰子、胡椒、热带水果加工机械以及甘蔗生产机械、菠萝叶纤维提取机械等热作领域的各个方面。目前热机行业最具代表性和成套性较好的仍是天然橡胶初加工机械、剑麻加工机械等较大宗的热带作物机械。 相似文献