Effect of dried layer of soil ecological environmental reconstruction;
黄土高原土壤干层对生态环境建设的影响
Research of dried layer of soil below artificial forest near Xi′an;
西安蓝田人工林地土壤干层研究
The development of dried layer of soil is a common phenomenon in Loess Plateau.
通过对西安南郊丰水年秋季土壤含水量的测定,研究了地下0~6m之间土壤含水量的变化与土壤干层的恢复问题。
A study on water restoration of dry soil layers in the semi-arid area of Loess Plateau;
黄土高原半干旱区土壤干层水分恢复研究
In order to study dry soil layer forming and soil nitrogen consumption characteristic,promote fertilizing and grass-crop rotation in alfalfa grassland,the paper investigated the dry soil layer and soil nitrogen consumption in the grasslands with alfalfa growing for three years,four years,six years,12 years,14 years,18 years and 26 years.
为掌握苜蓿连续种植多年土壤干层的形成规律及氮素的消耗规律,促进黄土高原地区苜蓿草地合理施肥及草田轮作,论文系统研究了3年、4年、6年、12年、14年、18年及26年生紫花苜蓿草地土壤干层及氮素的消耗。
Soil water variations at the 0-1000 cm layers in alfalfa grassland with different years of growth(3a,4a,6a,8a,12a,14a,18a,26a),dry soil layer formation and soil moisture restoration were investigated in the semi-humid region of the Loess Plateau.
结果表明,荒地与苜蓿草地土壤干层出现的区域及发生的程度不同:荒地在80~100cm土层深度,出现轻度干层;生长年限低于8a(含8a)的苜蓿草地,在250~350cm土层出现轻度干层,生长年限超过8a,出现中度干层,干层范围延至500cm土层以下。
Effect of soil drought on growth and physiological characteristics of winter wheat seedlings;
土壤干旱对冬小麦幼苗生长和叶片生理特性的影响
Effect of soil drought on physiological characteristics of winter wheat seedlings;
土壤干旱对冬小麦幼苗生理特性的影响
Study on adaptability of physiological ecology of Quercus liaotungensis seedlings under soil drought;
辽东栎(Quercus liaotungensis)幼苗对土壤干旱的生理生态适应性研究
Distribution characteristic of dried soil layer in Wangdonggou Watershed in gully region of the Loess Plateau;
黄土高原沟壑区小流域土壤干层的分布特征
The analysis to dried soil layer of artificial Robinnia pseudoscacia forestry land in the Yanan Experimental Area;
延安试区人工刺槐林地的土壤干层分析
Studying the state,reason and controlling measures of dried soil layer has much significance to regional plant capability,land productivity and rectification of low-functional forest and grassland and construction of sustainable plant.
土壤干层是黄土高原普遍存在的特殊土壤水文现象,研究其现状、成因、防治、调控措施等对科学认识区域植被承载力、土地生产力以及低效林草改造和可持续植被建设等有重要理论与生产指导意义,而合理通用评判指标与分级标准是开展土壤干层研究的基础。
In the experiments, soil drainage method was used at Shaoxing and deep water method at Fuyang for early rice, and soil drainage method was adopted at both sites for late rice.
早稻试验在绍兴采用土壤排水，而在富阳采用深厚水层方法，晚稻试验两地都用土壤排水方法。
Soils with earthworms drain from four to ten times faster than soils without earthworms.
有蚯蚓的比没有蚯蚓的土壤排水快4-10倍。
It will grow in a wide range of soil and climatic conditions provided the soil is well drained and pH is over 6.0.
只要土壤排水良好，ph在6.0以上，油菜能在很多种土壤气候条件下生长。
Effects of Film Mulching on Soil Water and Temperature and N_2O Emissions in Wheat Fields
地膜的水热效应与麦田土壤N_2O排放
Effects of mineral fertilizers on soil water infiltration of dump of open pit
矿物肥料对露天矿排土场土壤水分入渗的影响
water content of soil
土壤含水量（土壤含水率）
A Study on Salt Transport in Saline Soil Under Drainage Condition
农田明渠排水条件下土壤水盐运移规律研究
Dick was patiently explaining about soils and drains and native wages.
迪克耐心地解释土壤、排水和工人工资等事情。
Poor drainage causes deficient soil aeration and death of the roots.
排水不良能减低土壤的透气性，使根死亡。
Drainage water analyses may not indicate the composition of soil solutions accurately.
排水分析不能正确地反映土壤溶液的组成。
In the United States, central Wisconsin has the well-drained soil.
美国威斯康星州中部有着排水情况良好的土壤。
The compression of the soil under the applied stresses would force some water out of the voids.
施加压力压缩土壤会使一些水从孔隙中排出。
Experiment Research on Infiltration and Drainage in Layered Soil Under Furrow Irrigation
沟灌条件下层状土壤入渗与排水实验研究
EFFECTS OF ANTECEDENT WATER REGIMES ON NITROUS OXIDE EMISSION FROM AN ARABLE SOIL
前期不同水分状况对土壤氧化亚氮排放的影响
Effects of water management on production, oxidation, and emission of CH_4 from rice paddy soil
水分管理对稻田土壤CH_4产生、氧化及排放的影响
Pollution emission of co-processing polluted soil in a cement kiln
水泥窑共处置污染土壤的污染排放研究
Research of Regulation of the Soil Leachate Contaminating Soil and Groundwater at Haizhou Mining Dumping Site;
海州露天矿排土场淋溶水对土壤及地下水污染规律研究
poorly drained soils on top of peat and under marsh or swamp vegetation.
泥炭土之上湿软或被淹没的植被之下、排水性差的土壤。