土壤的例句大全

Effects of Converting Native Grassland to Crested Wheatgrass and Wheat on Grassland Productivity and Soil Carbon Stock

开垦天然草地种植冰草和小麦对草地生产力和土壤碳储量的影响

Long-term Change of Phosphorus in Soils under Wheat-Maize Crop Rotation in China

小麦&玉米轮作土壤磷素长期演变规律研究

Under conventional crop management condition, wheat grain yield was affected significantly by soil organic matter and spike number per acreage.

研究发现，在目前的冬小麦-夏玉米轮作体系中，土壤有机质含量和单位面积有效穗数是影响冬小麦产量的主要因素，而生长天数则是影响玉米产量的主要因素。

Effects of winter crops on microbial biomass C and N during rice growth

冬季作物对水稻生育期土壤微生物量碳、氮的影响

Short-term influences of winter crops on microbial biomass carbon, microbial biomass nitrogen and C_ ( mic)-to-C_ ( org) in a paddy soil

冬季作物对稻田土壤微生物量碳、氮和微生物熵的短期影响

Effect of Interplanting Green Manure Crop in Orchard for Improving Soil

果园套种绿肥对果园土壤改良的效果

Dynamic Changes of Soil Temperature in Wheat spring Cotton Relay Cropping System during Theirs Common Growing Period

麦套春棉共生期间土壤温度的动态变化

Strictly using meteorological observation method, dynamic changes of soil temperature in wheat sping cotton relay cropping system during theirs common growth period were studied.

严格用气象部门的观测方法，观测麦套春棉共生期间土壤温度的动态变化。

Bacterial community structure was significantly influenced by continuous cropping system.

同时蔬菜连作对土壤中细菌的群落组成产生影响，这种影响同蔬菜作物种类和连作年限有关。

Balance of soil organic matter in a long-term triple cropping system in paddy fields

多熟制稻田土壤有机质平衡的定位研究

Change in Crop Yields Soil Nitrogen, Phosphorus, Potassium, and Organic Matter in a Long-term Triple Cereal Cropping System

长期三熟制下谷物产量和土壤氮磷钾及有机质性状的演化

Evolution and management of soil fertility in rice fields under multiple cropping systems

多熟制条件下稻田土壤肥力演变及其管理

Liming is a traditional and effective method to amend acid soil. Previous studies mostly focused on annual crops, but rarely on the perennial fruit trees.

施用石灰是一项传统而有效的酸性土壤改良措施，而以往的研究多集中在一年生作物上，对于多年生果树研究较少。

The study shows that there is a great deal effects of the annual crops on the growth of the perennial forages in the first and second year under the condition of lack of irrigation and the steppe climate on Qinghai Lakeside.

初步研究结果表明，在青海环湖地区草原性气候区土壤缺乏灌水的条件下，油菜对多年生牧草第1～2年生长的影响最小，其次是对燕麦、青稞的影响最大。

Spatial Variability of Soil Nitrogen in Cultivated Horizon and Its Application in a Site-specific Long-term Experimental Field

长期定位试验地耕层土壤氮素空间变异性及其应用

The cultivated horizon was too shallow and machinery cultivation can increase thickness of cultivated horizon effectively.

耕层土壤厚度过浅，机耕可有效增加耕层厚度；

With productivity of cultivated grassland maintained at a high level on river land, soil water in the soil layer below 260 cm, which is usually maintained at 5.0% yearly, could not be renewed after rainy and fallow seasons.

川地人工草地在维持高生产力的情况下，260cm以下土壤层出现雨季期间及休闲期后均不能够得到水分补偿而稳定在低湿层。

Image analysis of development of cultivated soil structures under non-tillage system

免耕制度下耕作土壤结构演化的数字图像分析

Characteristics and sustainable utilization of Vegetable Cultivated Soil Resources in China

我国菜园土壤的资源特点与持续利用

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