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.
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。
Saline soils, which have high concentrations of sodium chloride and other salts, limit plant growth, and research continues to focus on developing salt-tolerant varieties of agricultural crops.
盐碱地含有高浓度的氯化钠和其他盐类，限制了植物的生长，研究继续集中于开发耐盐的农作物品种。
Rotate agricultural crops to prevent the sapping of nutrients.
不同的作物轮耕，以防止土壤养分枯竭。
Agricultural crops like corn and soybeans can be used for making ethanol for motor fuel.
玉米和大豆之类的农作物可以用来生产乙醇作为机动车辆的新型燃料。
Agroecology examines the connection between agricultural crops and the environment.
生态学考查农作物与环境之间的关系。
Australia has produced some of its biggest agricultural crops in times of greatest drought.
澳大利亚在它最干旱的时期也生产出最大量的农作物。
Melting snow provides water for rivers, electric power centers and agricultural crops.
融化的雪为河流、水电站和农作物提供水资源。
The present paper dealt with the review of achievement to Fusarium wilt disease in agricultural crops in China.
对中国农作物枯萎病的研究进行综述。
In recent years, its biotypes gained more attention because of its increasing hazards to the agricultural crops.
由于近年来烟粉虱危害不断增加，其生物型问题也越来越受到关注。
Rainfall "washes them out", creating acid rain which is harmful to aquatic life, forests, and agricultural crops.
降雨冲洗这些废气，形成酸雨，它们对水体生物，森林和农作物有害。
This paper discusses the structure, functions and software development of Chongqing Agricultural Crops Statistical Data Base.
讨论了重庆市农业作物统计数据库的结构、系统的功能以及软件开发等问题。
In 2001, in June there was an extensive drought with rainfall just 10% of normal levels, which served to undermine agricultural crops.
2001年，在6月发生了一场广泛的干旱，降雨量只有正常水平的10%，它对农作物造成了损害。
These Carolina parakeets, the only parrot native to the continental United States, once flew in large noisy flocks, feeding on agricultural crops.
卡罗莱纳长尾鹦鹉是美国本土的唯一一种本地鹦鹉，曾经结伴组成庞大的鸟群喧闹着飞过，以农作物为食。
The utilization of agricultural crops straw and cotton bast fibers resource, the problems in textile materials resource are analyzed in this paper.
本文对农作物秸秆资源与开发利用、棉杆皮资源使用的现状以及纺织原料资源存在的问题进行了分析。
Compared to other agricultural crops, the production distribution of different oil-bearing crops is relatively concentrated, which can be seen concentration in a few countries.
与其它农作物相比，不同品种的油料作物的生产布局相对较集中，主要体现在集中于少数几个国家。
The beet armyworm, Spodoptera exigua (Hubner), is a polyphagous noctuid of worldwide importance that feeds on various agricultural crops, including vegetable, cotton and ornamental.
甜菜夜蛾隶属于鳞翅目夜蛾科，是一种世界性分布、杂食性重要农业害虫，主要危害蔬菜、棉花和观赏植物。
The obtained germicidal and weed-destroying agent in the form of emulsion is a highly efficient, low poisonous, low residual, widely used germicidal and weed-destroying agent for agricultural crops.
制得胶溶剂的杀菌、除草剂，是农作物的一种高效、低毒、低残留的广谱杀菌剂和除草剂。
Agricultural societies cannot exist without staple crops.
农业社会的存在离不开主粮作物。
Dutch agriculture was modernized and commercialized new crops and agricultural techniques raised levels of production so that they were in line with market demands.
荷兰的农业实现了现代化，新型的商业化农作物和农业技术提高了农产量，使之能够满足市场的需求。
Many crops were developed during the agricultural revolution when human societies made the transition from nomadic hunter-gatherers to horticulture and agriculture.
许多农作物的种植都是在农业革命期间发展起来的，当时人类社会正从游牧生活的狩猎和采集活动向园艺和农业过渡。
Now, only 3 percent of families follow the agricultural model, but nearly all schools are scheduled as if our children went home early to milk the cows and took months off to work the crops.
现在，只有3%的家庭遵循农业模式，但几乎所有的学校都安排得好像我们的孩子要早早回家挤牛奶，或者花几个月的时间种田一样。
Approximately half of the world's population relies upon biomass fuels - such as wood, dung and agricultural wastes - for everyday tasks such as cooking, drying crops and purifying water.
几乎半数的世界人口都依靠生物质燃料——木材，牛马粪便和农业废料等——来完成如煮饭，干燥农作物，净化水等日常生活活动。
The plan by the European Commission aims to fundamentally change how agricultural subsidies are handed out - and to give farmers more flexibility on what crops and how much they can grow.
欧盟委员会这项计划的目的是从根本上改变农业补贴的发放，并在种植什么作物和种植多少等方面给予农场主更多的灵活性。
The EU's executive Commission on Monday stood by its target of getting 10 percent of road transport fuel from crops and agricultural waste by 2020.
欧盟执行委员会在周一宣布了它将于2020年将其10%的交通运输燃油以农作物和沼气代替。
The EU's executive Commission on Monday stood by its target of getting 10 percent of road transport fuel from crops and agricultural waste by 2020.
欧盟执行委员会在周一宣布了它将于2020年将其10%的交通运输燃油以农作物和沼气代替。
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