但是番薯等高产作物也有其弱点：营养低且单一、味道差，可深加工的价值少。
However, high-yield crops such as sweet potato also has its weaknesses: nutrition, low and single, taste bad, may be less the value of deep processing.
目前世界已经没有选择而不得不去寻求高产作物去满足日益增长的食物和畜牧需求，缓解贫穷和保护自然资源。
The world has no alternative to pursuing Sustainable Crop Production Intensification to meet the growing food and feed demand, to alleviate poverty and to protect its natural resources.
久而久之，农民严重依赖普遍适应性、高产的作物，而将那些适应本地环境的品种排除在外。
Over time farmers came to rely heavily on broadly adapted, high-yield crops to the exclusion of varieties adapted to local conditions.
那些需要作物高产的国家同时也将需要新型的援助。
Those countries that need higher crop yields will also need to adjust to new types of assistance.
但是，作物高产方面的成功导致了自满情绪，并妨碍了更进一步增产的研究——这是现在急需的——特别是对可耕地较少的地区。
But success in higher yields led to complacency and a decline in research for further – and now necessary – gains, especially in less-arable lands.
如果在室内种植作物，高浓度的二氧化碳会极大地提高产量(这就解释了为什么西红柿种植户和其他人在温室里使用二氧化碳)。
If plants grow in Chambers with high concentrations of CO2, yields rise a lot (which is why tomato farmers and others use CO2 in their greenhouses).
这让科学家能够开发出具有更高产量和更高营养含量的改良作物。
This will allow scientists to develop improved crops with better yields and higher nutritional content.
然而高产量品种也是基因较弱的作物，需要昂贵的化肥和有毒农药。
Yet high-yield varieties are also genetically weaker crops that require expensive chemical fertilizers and toxic pesticides.
报告同时鼓励那些在使用基因改良作物作用问题上犹豫不决的国家，重新考虑它们在提高产量方面的作用。
The report also encouraged countries that have balked at allowing genetically modified crops to reconsider their use as a way to improve yields.
第二个途径致力于不致使农作物干旱，比如培育新物种，转基因农作物，既抗旱又高产的。
A second route focuses on making farming less thirsty-for instance by growing newly bred, perhaps genetically modified, crops that are drought-resistant or higher-yielding.
强化农业科技支撑，发展壮大农作物种业，大规模开展高产创建。
We will get science and technology to better support agriculture, develop and expand the crop seed industry, and launch large-scale efforts to increase agricultural production.
然而，尽管罗森格兰特先生认为这些转基因作物是解决高产问题的一个“重要”组成部分，他又补充说，“这种育种方法应该是大多数育种方式的主流，而不仅仅是这种或那种作物的育种方式。”
But while Mr. Rosegrant sees GM crops as an "important" part of the solution, he adds, "there has to be a lot of mainstream crop breeding as well, not just one or the other."
玉米作为粮食和饲料兼用的高产高效作物，今后的种植面积应进一步扩大。
Maize, as a high-efficient crop of high yield for the grain and feed, the cultivated area in the future should be further expanded.
作物学家的目标是利用遗传、育种和生理学知识来提高产量、改善品质并获得效益。
The goal of the crop scientist is to increase plant production, quality and profit by utilizing genetics, breeding and physiology.
农作物生物技术在世界范围内取得了飞速发展，成功地培育出了一批优质高产的新品种。
The worldwide success in crop biotechnology has been made and a considerable mount of genetically engineered plants with high quality and quantity have been produced.
农作物本身将被密切监测，每一作物品种将提供给必要的适宜的生长条件，从而提高产量。
Crops themselves will be monitored closely and provided with the exact growing conditions necessary to each species, thereby improving yields.
研究结果表明：秸秆覆盖条件下夏玉米节水和增产效果明显，并为节水条件下的作物高产提供了理论根据。
The study indicates that the effect of summer corn water saving and yield increasing is obvious evident which is theoretical base of crop high yield under the water saving condition.
玉米是一个高产、稳产的作物。
由作物最高产量计划估计。
水旱轮作是我国重要的作物种植系统，在确保作物稳产、高产和提高种植业经济效益方面具有重要的地位。
Paddy-upland rotation is a main crop cultivation systems and has an important position in ensuring crops stable yield, maintaining high yield and improving planting economic benefit in China.
试验结果表明，在可控环境下能最大限度地将某些蔬果作物的遗传潜力变为优质、高产的现实产品。
The experimental results showed that this technique could make full use of hereditary potentials of crops to produce high quality and high-yielding products under controlled circumstances.
试验结果表明，在可控环境下能最大限度地将某些蔬果作物的遗传潜力变为优质、高产的现实产品。
The experimental results showed that this technique could make full use of hereditary potentials of crops to produce high quality and high-yielding products under controlled circumstances.
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