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The cultivation of a single crop on a farm or in a region or country. 单作在一个国家或地区内的农场上种植单一农作物
Pasture is the most important single crop in British agriculture. 在英国农业中，牧草是最重要的一种作物。
But experts say no single crop will revolutionize farming in Africa. 但是专家表示没有哪种单独的农作物会对非洲农业产生重大的变革。
Fields are small: nowhere are there endless acres given over to a single crop. 农田都比较狭小：那里看不到大片的土地被用来种植单一的农作物。
The growth speed of ryegrass regeneration shoots in intercropping with Chinese milk vetch faster than in single cropping by more than 50%. 集约栽培条件下，黑麦草近距离间作紫云英，黑麦草刈割后再生速度极显著地快于单作黑麦草刈割后的再生速度。
A local single cropping Zizania caduciflora cultivar of superior quality was seleted. 从中选出了一个品质性状优异的地方品种单季茭黄湾茭。
No-tillage seedling-throwing techniques of single cropping late rice in Xiushui county were reviewed in this paper. 简要介绍了江西省修水县一季晚稻的免耕抛秧技术要点。
The cluster analysis can effectively distinguish between single cropping Zizania caduciflora and double cropping Zizania caduciflora. 该分类方法可以很好地将单季茭和双季茭区分开。
Thus there should be studies for finding an optimal fertilizer schedule based on a cropping system including intercropping systems rather than for a single crop only. 因此，应该研究包括间作在内的种植制度而不仅为某种作物寻找合适的施肥方案。
Using field experiment to analysis the effects of different combinations of fertilizations and irrigations on the water requirement of single cropping rice in south China. 摘要通过多点田间对比试验，分析了不同灌溉模式、不同施肥方式对南方地区单季水稻需水特性的影响。
Monoculture is mainly used in industrialized agriculture with many inputs of fossil fuels and chemicals to produce large amounts of a single crop. 单一，主要用于农业产业化与许多投入矿物燃料和化学品生产大量的单一作物。
But experts say no single crop will revolutionize farming in Africa because farmer there grow a mixture of different crops. 但是专家表示没有一种单一的农作物可以给非洲农业带来根本性的变化，因为那里的农民混合种植不同的农作物。
But experts say no single crop will revolutionize farming in Africa, because farmers there grow a mixture of different crops. 但是专家说在非洲没有哪一种农作物能单独推动农业改革，因为那里的农民进行的是混合式种植。
Asia's Green Revolution centered on wheat and rice. But experts asid no single crop will revolutionize farming in Africa. Because farmers there grow a mixture of different crops. 亚洲绿色革命的重心放在小麦和水稻上。但是专家表示没有一种单一的农作物可以给非洲农业带来根本性的变化，因为那里的农民混合种植不同的农作物。
Asia's Green Revolution centreed on wheat and rice. But experts say no single crop will revolutionize farming in Africa, because farmers there grow a mixture of different crops. 亚洲的绿色革命集中在小麦和大米。但是专家称在非洲没有哪一种农作物可以单独引发农业革命，因为那儿的农户们都混着种农作物。
Asia's Green Revolution centered on wheat and rice. But experts say no single crop will revolutionize farming in Africa because farmers there grow a mixture of different crops. 亚洲的绿色革命侧重于小麦和水稻的种植。但由于非洲的农民种植各种不同的混合作物,所以专家认为光靠任何单一作物都不可能在非洲引发巨大的农业变革。
Therefore organic farmers may wish to re-think what they grow, and turn to growing a diverse set of crops rather than a single crop upon each acre or hector of land. 因此，有机耕种的农夫可能希望重新考虑种植的品种，转向在每一亩土地上种植一套多样化而不是单一的农作物。
The letter was written on a single sheet of paper. 这封信只用一张纸写成。
single cropping;One-crop farming;monoculture 单一种植
One single, second class, to winchester, please. 买一张去温撤斯特单程二等票。