Monoculture

the results indicated that cod, the contents of suspension, ammoniated nitrogen and nitrated nitrogen were much lower than those of monoculture ponds ( p < 0.01).

结果表明，循环水养殖系统内虾池水层悬浮物数量、COD值、氨态氮和硝酸态氮含量比对照组对虾单养池明显降低（P

In natural water, particularly in aquacultural farms operating intensive monoculture systems, these parasites can be significant pathogens causing a range of disease symptoms, which may lead to high of fish mortality.

在自然水体里，特别是在人工养殖水体中，复口吸虫具有明显的致病性，能使第二中间寄主鱼产生一系列的病症，严重的能引起寄主鱼的大量死亡。

i am not sure why it is only in pine monoculture that grey squirrels don't drive out the red - do you know.

我不能肯定为什么灰色松鼠仅在林相单一的地方不会逐出红色松鼠-您知道吗？

Long-term monitoring for 3 years conducted of compound eco-agriculture models on involution mountain land, analyzed and sum up the utilization efficiency of nature resources which are light energy, water and ground on compound eco-agricultural models, and to compared with monoculture system.

通过对元谋干热区退化山地复合生态农业模式3年的监测，分析总结了4种复合生态农业模式系统对光能、水分、土地3种自然资源的利用效率，并与单作系统进行了比较。

The main conclusions were as follows: 1. Whether in monoculture or mixtures, water stress decreased biomass production of both species and the old world bluestem was more sensitive to water deficiency.

主要结果如下：1.不论在单播或者二者混播条件下，水分胁迫均显著降低白羊草与达乌里胡枝子生物量，且白羊草对水分胁迫的响应更敏感。

If you concentrate on grain monoculture, you are looking for trouble.

如果你只从事谷类的单种栽培, 那你就是自找麻烦.

Monoculture practices can incorporate multiple cropping systems by using rotations, borders, and cover crops.

单一做法,可以将复种轮作系统的使用, 边界, 覆盖作物.

The cotton monoculture that global demand imposed on Burkina Faso has turned the place into a desert.

全球需求让布基纳法索只种植棉花，这令该国变成了一片沙漠。

the input cost elasticity of monoculture is 0. 191% and that of milkfish polyculture is 0. 138%.

虱目鱼单养养殖饲料投入价格成本弹性为0.191%，虱目鱼混养为0.

The dynamical studies on biomass, quality and interspecific competition of oat ( Avena sativa) and vetch ( Vicia sativa) in both monoculture and mixture was conducted on the border of crop and ranch regions in north China.

作者在华北农牧交错带对燕麦和箭管豌豆单播及混播的一年生人工草地进行了生物量、品质及种间竞争的动态研究。

a global economic monoculture

全球经济一元化社会