直到今天，村民们仍过着原始的单一作物经济的生活。
Even today the villagers live in a primitive one-crop economy.
从数理经济学观点出发，研究了以资源边际产量为条件的经济用水定额，提出了华北地区不同水文年的各种作物经济用水定额。
From the viewpoint of mathematical and economic theories, the economic water use quota was studied based on the minimum resource input and maximum output.
蔓越橘是新泽西州的一种主要经济作物。
他们从经济作物中得到的那些现金红利能支撑他们度过歉收季节。
The cash dividends they get from the cash crop would sustain them during the lean season.
有些种类的树木已经被有经济头脑的林农淘汰出局，因为它们生长得太慢，或者作为木材作物的售价太低。
Some species of tree have been read out of the party by economics-minded forestersbecause they grow too slowly, or have too low a sale vale to pay as timber crops.
有些种类的树木已经被有经济头脑的林农淘汰出局，因为它们生长得太慢，或者作为木材作物的售价太低。
Some species of tree have been 'read out of the party' by economics-minded foresters because they grow too slowly, or have too low a sale value to pay as timber crops.
除了奶牛养殖和工业作物种植，荷兰经济的第三部分反映了农业现代化的方式——园艺。
In addition to dairy farming and cultivating industrial crops, a third sector of the Dutch economy reflected the way in which agriculture was being modernized—horticulture.
农业以生产粮食为主，水稻是主要作物，经济作物以甘蔗、油菜、花生、烟草为主。
Agriculture is based on grain production with rice as the main crop and sugarcane, cole, peanut and tobacco as the main economic crops.
因此女性不种植经济作物了。
明年农民将种植更多的经济作物取代粮食作物。
The farmers will grow more cash crops next year instead of grains.
假设受调查者是有代表性的，那么整个州这七种作物的经济损失将近上述损失额的两倍。
Assuming the survey respondents are representative, total statewide losses in those seven crops would be nearly twice that.
理想做法是，缺水国家致力于种植最有价值的经济作物，用售后收入进口大宗食品。
Ideally, countries that are short of water would concentrate on growing the most valuable cash crops, and use the proceeds to import staples.
巴尼耶表示，较贫穷国家不应在满足本国人口食品需求前，优先耕作用于出口的经济作物。
Mr Barnier said poorer countries should not put cultivation of cash crops for export before feeding their populations.
试验田中央的小麦确实丰产，每公顷产出10吨，单产率在经济作物领域数一数二。
In the centre of the field the wheat is abundant, yielding 10 tonnes a hectare, one of the highest rates in the world for a commercial crop.
农民妇女怎样才能从种植经济作物中获得收益？
在所有的经济作物中，棕榈树得到的研究最少。
Of all the economically important plants, palms have been the least studied。
毛里塔尼亚、塞内加尔、马里、布基纳法索、尼日尔以及乍得等国家被蝗虫吞噬了所有的农作物，造成了成百上千万美元的经济损失。
Mauritania, Senegal, Mali, Burkina Faso, Niger and Chad have all lost crops worth.
例如，在非洲的部分地区，男人负责种植经济性作物，而女人主要负责种植粮食作物。
In parts of Africa, for example, men are responsible for cash crops while women are generally responsible for food crops.
海平面上升、农作物产量减少、更猛烈的风暴和更多令人沮丧的后果所造成的经济影响将是毁灭性的。
The economic impact of rising sea levels, reduced crop yields, fiercer storms and many other doleful consequences would be devastating.
最终，农民将受益于新的运输和灌溉系统，这些将使他们能够种植可以获得较高收入的经济作物。
In the end, farmers will benefit from new transport and irrigation systems, for example, which would enable them to grow cash crops that could offer an opportunity for higher incomes.
最终，农民将受益于新的运输和灌溉系统，这些将使他们能够种植可以获得较高收入的经济作物。
In the end, farmers will benefit from new transport and irrigation systems, for example, which would enable them to grow cash crops that could offer an opportunity for higher incomes.
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