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For any scientific discipline it is good to look back and make out what has been achieved, how it was done and whether anything can be learned from the past. No doubt that is a respectable activity ...
《南京园林志》(图)     南京园林志  廖庆和       2016/6/8
《南京园林志》(图)。
《作物卫士》(图)     作物卫士  植物保护       2015/12/2
《作物卫士》。
《最后的熊猫》     最后的熊猫  夏勒       2014/7/17
《最后的熊猫》。
捕捞能力过度是促使世界诸多渔业资源下降的主要因素。粮农组织《捕捞能力管理国际行动计划》敦促各国通过管理其捕捞能力来解决这一问题,使捕捞能力与鱼类资源的可持续利用相协调。本套准则旨在帮助利益相关方和渔业管理人员制定国家和区域捕捞能力管理行动计划。《准则》提供有关各种捕捞能力管理计划效果方面的信息,并概述了能力监测、衡量和评估所涉及的概念和技术。《准则》还简述了根据《捕捞能力管理国际行动计划》所采取的...
Rice-maize (R-M) cropping systems have emerged in recent years on 3.5 million hectares in Asia in response to the increasing demand from a rapidly expanding human population for rice and livestock pro...
The Green Revolution averted the threat of famine through the rapid adoption of improved rice varieties. However, despite this huge success, hundreds of millions of poor rice-farming families in rainf...
Rice is the most important food crop, particularly for India and Bangladesh, which rank second and fourth, respectively, among the rice-producing countries in the world. The Green Revolution, through...
Rice planthoppers are developing resistance to insecticides very rapidly. Publications by several authors have reported that the brown planthopper (BPH) has acquired as much as 1,000-fold resistance t...
Widespread and persistent poverty in Asia is a longstanding problem, particularly in rainfed ecosystems. Rice is dominant in these areas because it is the only crop that can be grown in the wet season...
In this publication, the authors examine the many IRRI nondegree training programs, the participants, and their disciplines. The nondegree training courses have varied widely in number and content ove...

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