耕作

Polyculture is the dominant farming system in many areas of the tropics, where the degree of mechanization and the use of agricultural chemicals remain low.

混养是许多热带地区主要的耕作制度，在这些地方，机械化程度低，并且很少使用农药。

They extend the primitive farming methods of slash and burn, planting opium poppy, corn and valleys…They only know the poppy brings money to them but don't know the diamorphine made from the opium poppy has done harm to the whole world.

他们延续着祖上留传的刀耕火种耕作方式，播种着罂粟、玉米和谷子。他们只知道大烟可以换成钱，却不知道用其炼制的海洛因在全世界造成了多大的危害。

The company mainly produces a variety of machines with disk plow, disc harrow, agricultural disc, tillage spade, hoe teeth, and other farming machinery and accessories.

公司主要生产各种规格的机引圆盘犁、圆盘耙、农用圆盘、松土铲、锄齿等耕作机械及配件。

On base of investigating and analyzing,the species,occuring ruleand disserve characteristics of alfalfa field weeds in Beijing area were discussed.And put forward weed control methods of alfalfa seedlings were put forward.

本文在调研、分析北京地区大田苜蓿地杂草种类、发生规律及危害特性基础上，采用土壤耕作、刈割和化学药剂相结合的措施，对苜蓿幼苗地和大田杂草进行综合防治，取得良好效果。

Base facilities greatly augment, new build steel tube big canopy 200 mus, establishment of installation sprinkling irrigation 500 mus, added apply to the small-sized agricultural machinery and implement such as machine of the rotary tillage machine that plows inside vegetable big canopy, ditcher, mist, built the vegetable workshop that pack and detect room acquired pesticide incomplete

基地设施大大扩充，新搭建钢管大棚200亩，安装喷灌设施500亩，增添了适用于在蔬菜大棚内耕作的旋耕机、开沟机、弥雾机等小型农机具，新建了蔬菜包装车间和检测室并添置了农药残

Masanobu Fukuoka is one of the revolutionary natural farmers, who uses the "no-till","do-nothing" method of farming.

政福冈是一个革命性的自然农民，谁使用"免耕"，"无为"的方法耕作。

Lalou-Bize and Domaine Leroy, for example, take a different approach using biodynamic farming methods.

lalou--石林的Leroy和教育领域，例如，以不同的方式利用生物耕作方式。

The change of soil quality in the water~irrigated farm, dry farm and vegetable plots is mainly depended on the mans management and input level. And in the good tillage and high input farmlands the soil fertility quality is obviously increased.

水浇地、旱地和菜地土壤肥力质培的变化主要取决于人为管理和投入水平，耕作精细、投入较高的土地，其土壤肥力质量有明显的提高。

Results There were 8 rodent species in Yuqing county. RatLus norvegicus was the dominant species among domestic rodents, with 83.97 percent; Apodemus agrariuswas the dominant species in rice field and dry farm land, with 95.16 percent.

结果： 余庆县家柄鼠和农田鼠种有8种，褐家鼠为家栖鼠优势种，占总捕鼠数的83.97％；黑线姬鼠为稻田、旱地耕作区优势种，占总捕鼠数的95.16％。

This revolution was primarily a dry farming operation with springs and shallow hand-dug wells supplying domestic needs.

这次革命主要是旱田耕作而以泉水和人工开挖浅井提供生活用水。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。