耕的例句大全

The Eucalyptus grandis plantation as a kind of tree for the Cropland Conversion to Forest and Grassland ( CCFG) has a good ecological and economic benefit.

巨桉作为优良的退耕还林（草）工程和脆弱生态系统恢复树种，表现出良好的生态效益。

The studies of fertilizer application techniques matching the soil cultivation systems were conduced to solve a series of problems caused by returning whole stalk into the soil for wheat/ corn double cropping area in the plain region Taihang-Mountain before.

针对太行山前平原小麦-玉米两熟农田秸秆全量还田后的一系列问题，从配套的土壤耕作施肥技术上进行了试验研究。

Soil samples of cultivated horizon from Gongpeng town were analyzed in1998 and the results were compared with that in1990.

1998年对黑土区（弓棚镇）的耕层土壤养分进行分析，并与1990年该区土壤的化验结果进行了比较。

Investigating and analysing natural and economic conditions of Kenli County, the content of organic matter, configuration of soil body, underground water table and salinity of cultivated horizon were used as the identification factors, and the evaluation criteria of land natural productivity were formulated.

本文通过对垦利县土地自然及经济情况的调查分析，选择有机质、土体构型、地下水埋深及土壤耕层含盐量为参评因素，制订了垦利县土地自然生产力评级标准；

The current situation of cultivated grassland and the profit analysis of replacing cropland with pasture in Tongliao district

通辽地区已垦草原现状与退耕还草效果分析

Some Problems in Current Cultivated Soil Pollution Survey and Assessment in China

关于耕地土壤污染调查与评价的若干问题探讨

Investigation of Available Silicon Content in Cultivated Soil in Jiangxi Province

江西省耕地土壤有效硅含量调查研究

Evaluation on Available Trace Elements in Cultivated Soil in Liaoning Province

辽宁省耕地有效态微量元素含量评价

Study on Urease Activity of Main Cultivated Soil in Guizhou

贵州主要耕作土壤的脲酶活性研究

As to the serious situation that farmlands are using and protecting in China, the theory of dissipative structures and entropy exchange model is employed. The purpose of this study is to analyses the use and protection of cultivated land form new perspectives and by new methods.

针对当前中国耕地利用和保护面临的问题，利用耗散结构理论与熵流模型（EEM），从新的视角并采用新的方法加以研究。

The main reason for this succession might be the changes in crops distribution, cultivation type, planting method, management technique and over-use of chemical pesticides and fertilizers.

导致这一演替的主要原因为作物布局、耕作制度、栽培方法、管理技术的变化和农药化肥的过量施用。

Build New Soil Cultivation System and Realize Agriculture Sustainable Development

建立新土壤耕作制度实现农业可持续发展

The use of land of the Shed people were agricultural use, including the attitude to the land, the way of cultivating and the farming system of the mountainous country.

棚民的土地利用主要是农业土地利用，包括对待土地的态度、开垦山地的方式以及耕作制度。

Therefore, the use of deep plowing technology to break the hard bottom is the effective method to improve the quality of tobacco growing.

因此，运用深耕深松技术来打破犁底层，是提高烟草种植质量行之有效的方法。

Cranes and bulldozers beaver away throughout the territory, building new high-rises.

起重机，推土机为了建造新的高楼，在这片领地努力耕耘。

Rapeseed-rice rotation is one of the most representative and extensive farming system in the middle and lower reaches of the Yangtze River.

油菜-水稻轮作制是长江中下游最具代表性和分布最广泛的耕作制度之一。

In addition, the extensive farming of traditional agriculture leads to soil erosion and desertification, seriously restricting the local economic development.

同时，传统农业耕作粗放，加之过去滥垦滥伐，过度放牧，水土流失和土壤风蚀沙化加剧，严重制约着当地经济的发展。

Before the Yuan Dynasty, the customs in Beijing carry obvious local features, indicating a combination of aerial farming culture and nomadism culture.

古人将社会风俗的变化及其产生的影响视为国家兴衰的一个重要因素。元代以前，北京地区的风俗带有明显的地域文化特色，表现出北方农耕文化与游牧文化相互融合的风貌。

Here, the torque load characteristics of the universal joint transmission shaft are analysed with the rotary tiller, combine and pickup baler in the condit-ions of field operation and starting.

本文分析了旋耕机、联合收割机与捡拾压捆机的万向节传动轴的扭矩载荷特点；

Experiment and Design on Disk Cutter with Power Type of Wheat No-till Planter

主动圆盘防堵式小麦免耕播种机的设计研究