为控制害虫，人们持续且不计后果地使用人工合成化学品，对农作物和人类健康造成危害，事实证明会产生相反的效果。
The continuous and reckless use of synthetic chemicals for the control of pests which pose a threat to agricultural crops and human health is proving to be counter-productive.
一旦种植的想法传播开来，非洲人就开始培育他们自己的农作物，例如某些品种的水稻，他们对新进口的作物表现出持续的接受能力。
Once the idea of planting diffused, Africans began to develop their own crops, such as certain varieties of rice, and they demonstrated a continued receptiveness to new imports.
一场持续时间较短的干旱耗尽了他们的粮食储备，而这可能已经让他们陷入了困境，因为种植农作物需要降雨，而不是水库。
A shorter drought in which they exhausted their stored food supplies might already have gotten them in deep trouble, because growing crops required rain rather than reservoirs.
人类文明的重点将移向两极，因为那里足够凉快适宜农作物生长，而且会有持续降雨(尽管这会带来严重水灾)。
The focus of civilisation moves towards the poles, where temperatures remain cool enough for crops, and rainfall - albeit with severe floods - persists.
今年的天气，要么就下雨，要么就持续高温，毁了不少农作物。
This year's weather, which constantly alternated between rain and heat, has ruined lots of crops.
又比如印度持续的食品价格通胀，因为过时的储运系统变得更糟，有些农作物投入市场之前，会有25 - 40%的损耗。
India's persistent food inflation, to take another example, is made worse by an antiquated system of storage and transport that lets between 25% and 40% of some crops spoil before they reach market.
随着澳大利亚人口的持续增长，城市的用水需求以及种植在墨累-达令流域农作物的用水需求也在直线上升。
As Australia's population continues to grow so does demand for water in the cities and for the crops that grow in the river basin.
农产品产量的增加是因为引进了新的、产量更高的农作物品种，而这种趋势将会持续。
Increases in agricultural production have resulted from and will continue to result from the introduction of new more productive varieties of crops.
农产品产量的增加是因为引进了新的、产量更高的农作物品种，而这种趋势将会持续。
Increases in agricultural production have resulted from and will continue to result from the introduction of new, more productive varieties of crops.
美国南方大部分地区干旱加剧，持续了六个月之久，恶劣的天气正在造成农作物死亡，威胁家畜，使湖泊水位下降到几年来最低水平。
Six months into a deepening drought across much of the South, the weather is killing crops, threatening cattle and sinking lakes to their lowest levels in years.
并从农作物生产力和产量、种植制度、区域农业生产及生产费用等几方面分析了气候变化对中国持续农业的影响。
The impact of climatic change on sustained agriculture in China is analysed according to the crop productivity and yield, cropping system, regional agricultural production and production cost.
持续阴雨已经对浙江省农作物产生了不利影响。
Continuously overcast and rainy had produced adverse effect to Zhejiang province crop.
在珠江三角洲地下水浸溃农田，危害农作物的范围大、持续时间长。
Soaking farmlands by ground water damaging crops. This spreads widely and lasts long on Zhujiang Delta.
描述：在2007-08农作物生长季节持续影响伊拉克的破坏性干旱持续到了2009年。
Caption: the devastating drought that gripped Iraq in the 2007-08 growing season continued into 2009.
洪泛区建筑、不可持续的人口迁移和不适当的农作物耕地，所有这些都会促使环境恶化。
Construction on flood plains, unsustainable population movements and inappropriate crop plantation all contribute to harmful environmental change.
事实上，这些农产品将会成为全世界人民的主食。现在海地仍在持续不断的革新这些农作物，这将有利于全球日益增涨的粮食需求。
Indeed, these crops represent a staple in the diet of populations worldwide, and innovation, in particular, will help fulfill increasing food needs.
事实上，这些农产品将会成为全世界人民的主食。现在海地仍在持续不断的革新这些农作物，这将有利于全球日益增涨的粮食需求。
Indeed, these crops represent a staple in the diet of populations worldwide, and innovation, in particular, will help fulfill increasing food needs.
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