查询词典 single-crop

Effect of P application on crop yields in rice-wheat rotation .

表5：水稻小麦轮作中施磷对作物产量的影响

Potatoes are a good source of nutrients. And farmers can plant them i n rotation with grain crop s.

马铃薯是很好的营养来源，农民们也可以将其与其他谷类作物交替种植。

Systematic plant breeding, the introduction of new crops and new forms of crop rotation, and better irrigation increased the food supply.

系统化育种、新作物、新轮翻种植法的使用和更好的灌溉技术都增加了粮食产量。

Better seeds, crop rotation, irrigation and access to markets all help farmers.

对农场主帮助更大的，是采用更优良的种子、更好的农作物轮作方式、更好的灌溉方法，建立更顺畅的市场渠道。

Weeds must be controlled by mechanical or thermal means, through adequate soil tillage and crop rotation.

必须通过机械或热量手段控制杂草，通过适当的土壤哥哥做和作物轮作

He practiced crop rotation and soil conservation a century before these became standard practice,and he invented a plow superior to any other in existence.

他练轮作和水土保持在这些成为惯例得一世纪前，他发明了犁优于其他任何其他影响建筑的发展。

Through the improvement of soil, crop rotation, such as carrots improve yield and quality, and through association constant introduction of new varieties.

通过改良土壤、轮作等方式提高胡萝卜产量和品质，并通过协会不断引进新品种。

A rotation of personnel; crop rotation.

员工的轮流替换；农作物的轮作

This involves crop rotation and the rearing of"free-range"livestock which are not force-fed hormones or antibiotics.

这包括到轮作与养育"自由牧场"的牲畜，它们都没有被迫食用激素或抗生素。

He practiced crop rotation and soil conservation a century before these became standard practice, and he invented a plow superior to any other in existence.

在人人普遍采用农作物轮作和土壤保持的作法以前一个世纪，他就这样做了。他还发明了一种比当时任何一种都好的耕犁。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。