查询词典 crop rotation

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。

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。

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 .

在人们普通采用农作物轮作和土壤保持的做法之前一个世纪，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。

In order to evaluate the restoration effect of cropping systems on continuous cropping soil, treatments of nitrogen-catching crop, rotation, and intercrop were adapted to study soil fertility and microbial indexes of the soil from an 8-year continuous cropping field using pot experiments. Fallow was used as a control. Cucumber yield were recorded.

为了评价栽培制度对连作障碍土壤的修复效果，采用盆栽方式，设置休闲、轮作、间作等处理，以生产中常用的栽培制度即夏季休闲的连作制度为对照，研究各处理对连作8年黄瓜的温室土壤生物修复效果及对后茬黄瓜产量的影响。

To investigate the relationship between autotoxicity and continuous cropping obstacle and to find a reasonable crop rotation system for Angelica sinensis (a common traditional Chinese medicinal plant). Aqueous extracts from root, stem and leaf of A. sinensis at vegetative stage were analyzed for autotoxicity and allelopathic effect on Brassica campestris, Triticum aestivum, Avena sativa which are often grown in regions where A.

为探讨当归自毒作用与连作障碍的关系并建立合理的轮作制度，利用4个浓度当归营养期根部及茎叶部水浸液对当归及其种植区常见作物油菜、小麦和燕麦的种子和幼苗进行了生物测定。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。