1)secondary salinization次生盐渍化
1.A preliminary study on the soil secondary salinization caused bypaddy field irrigation;试论白城地区水田灌溉引起的土壤次生盐渍化问题
2.Soil secondary salinization in open vegetable fields and its influencing factors under continuous cropping of vegetables with high intensity;高强度连作下露天菜地土壤次生盐渍化及其影响因素研究
3.An analysis of control measurements of the secondary salinization of soils in the Yanqi Basin, Xinjiang;浅析新疆焉耆盆地土壤次生盐渍化治理途径
英文短句/例句
1.The secondary salinization of grassland soil is the main reason for the formation of secondary saline-alkaline soil patches in grasslands in Songnen Plain.草地土壤次生盐渍化是松嫩平原次生盐碱斑形成的主要原因。
2.Study on Characteristics of Secondary Salinization of Soil under Protected Cultivation in Nanhui District of Shanghai City;上海市南汇区设施土壤次生盐渍化特点研究
3.Experimental Investigation and Mathematical Simulation of Soil Secondary Salinisation and Its Prevention土壤次生盐渍化及其防治的模型与实验研究
4.Research on secondary salinization of greenhouse soils in Pudong New Area浦东新区设施土壤次生盐渍化机理探讨
5.Numerical simulation of soil secondary salinisation using porous media model基于多孔介质模型的土壤次生盐渍化过程模拟
6.Soil Secondary Salinization and Principle of Nitrate Accumulation in Open Vegetable Fields under Continous Cropping of Vegetables;连作露天菜地土壤次生盐渍化与硝酸盐累积机制
7.Studies on the Principles of Water and Salt Movement andSecondary salinization in Songnen Plain;松嫩平原红旗灌区水盐运动规律与土壤次生盐渍化
8.Secondary Salinization of Greenhouse Soil and Its Effects on Microbe Number and Soil Physico-Chemical Properties土壤次生盐渍化与微生物数量及土壤理化性质研究
9.Secondary salinization of soil is an important factor limiting the greenhouse cropping system.设施土壤次生盐渍化是我国设施农业生产中的一个重要限制因子。
10.Research on the Effects on Growth of Cucumber under Generant of Re-formed Salted Soil in Sunlight Greenhouse in Ningxia;宁夏日光温室土壤次生盐渍化对黄瓜生长发育影响的研究
11.Effect of Secondary Salinization on the Growth of Cotton with Drip Irrigation under Mulch and Early Warning Research次生盐渍化对膜下滴灌棉花生长发育的影响及其预警研究
12.Research on the Mechanism of Re-formed Salted Soil in Protected Field;保护地蔬菜栽培中土壤次生盐渍化演变规律研究
13.Study on control of secondary salinization within development experiment area with method of impermeable layer-blasting利用爆破不透水层法治理发展实验区次生盐渍化探析
14.Studies on Ecological Effects of Secondary Salinization on Facility Culturing Soil and Bioremediation设施农业栽培下次生盐渍化对微生物的生态效应与微生物修复研究
15.The Influence of Mildly Saline Groundwater on Soil Secondary Salinization and the Physiological Characteristics and the Yield of Cotton under Drip Irrigation Condition;微咸地下水滴灌对土壤次生盐渍化及棉花生理特性及产量的影响研究
16.Study of the Improvement Effects of Four Catch Crops on the Secondary Salinization of Tianjin Cucumber Greenhouse Soil4种填闲作物对天津黄瓜温室土壤次生盐渍化改良作用的初步研究
17.Study on Prevention and Control of Secondary Soil Salinization under Intensifying Irrigation and Straw Returning in Huang-Huai-Hai Plain Farmland优化灌溉与秸秆还田防控黄淮海平原农田土壤次生盐渍害研究
18.Effect of salinity soil improvement on crop production盐渍化土壤改良措施的作物生产效应
相关短句/例句
salinization[s?lini'zei??n]次生盐渍化
1.Progress in the study on soil salinization of protected farmland;保护地土壤次生盐渍化的研究进展
2.Advances of Studies on Soil Salinization in Protected Agriculture;设施农业土壤次生盐渍化研究进展
3.For the sake of research the secondary salinization problem of the soil in different vegetable green-house ages In Yangling, finding the change regulation; use the soil samples which it from 0-11 years green-house for research materials; by outdoors survey and laboratory analysis etc method to test, a.为了研究杨凌地区不同棚龄土壤的次生盐渍化问题,探讨其变化规律,利用杨凌地区0~11年的大棚土壤为材料,通过室外调查、室内分析的方法,对杨凌大棚土壤的盐分组成、微生物区系、无机磷分级、氮素矿化等进行了系统的研究,通过分析找出大棚土壤次生盐渍化的演变特性及大棚土壤次生盐渍化的主导因素,为确定大棚土壤的施肥量,拟合合理的水肥等管理措施提供了理论依据,其结果如下:(1)随着栽培年限的延长,大棚土壤中水溶性总盐的含量呈逐渐增高的趋势,大棚土壤总盐含量(0~10cm)平均为1。
3)Secondary salinity次生盐渍化
4)potential secondary salinification潜在次生盐渍化
5)secondary soil salinization土壤次生盐渍化
1.The controlling of secondary soil salinization may take into account four main complex factors: leaching, groundwater table, time and modifier in the west of Songnen Plain.根据多年的野外定位观测和试验研究 ,提出松嫩平原西部土壤次生盐渍化防治应综合考虑灌溉淋洗、潜水位、时间及土壤化学改良 4个要素 ;研究了西部盐碱地治理过程中土壤剖面盐分特征变化及对周边土壤环境特征的影响 ,认为单一的水利用措施不能从根本上解决西部土壤次生渍化的问题 ;通过不同用水条件下耕层土壤盐分变化及土壤改良剂综合配套试验研究等 ,提出本区土壤次生盐渍化防治的技术措施。
2.The mechanism of secondary soil salinization and the policy of prevention and reclamation in Jingtai irrigated area of Gansu province were discussed.对甘肃景泰灌区土壤次生盐渍化的发生机理进行了分析，认为次生盐渍化从本质上来说是一个诸多自然因素和人为因素共同作用下所造成的水盐不平衡问题，要防止和治理土壤次生盐渍化，就必须建立一种新的水盐平衡。
6)salinization land次生盐渍化土地
延伸阅读
次生盐渍化次生盐渍化secondary salinization ofl)趁积，沐联、大多地的e isheng yanzihua次生盐渍化(seeondary salinizati由于水利或农业措施不当，招致盐分在土壤表层盏使好地变成盐碱地的现象，亦称次生盐碱化。 灌区次生盐渍化是一个世界性问题。美国、弓印度、巴基斯坦和埃及等国历史较久的河水灌区数发生过次生盐渍化。中国陕西、宁夏、内蒙等老灌区，黄淮海平原z0世纪50年代发展的引黄或对灌区，也都不同程度地发生过次生盐渍化，影响榨效益的发挥，危害灌区农业生产。 灌区次生盐渍化的主要原因是灌排不当，靡地下水位升高所致。主要有以下几种情况:①天奔水条件差，而人工排水设施的能力又不足;②低乞区沥涝积水;③灌溉渠系没有防渗设施，引进的刁量渗漏;④洼淀、平原水库和河渠蓄水位高，周丈无截渗排水设施;⑤土地不平，大水漫灌;⑥渠全长，延长了输水时间，或渠道缺少退水设施，余刁不出去;⑦水稻与早作插花种植等。 在缺乏排水设施的新灌区，次生盐渍化发展泛很快。在地下水位浅的灌区，灌后一、二年就会但生盐渍化而减产。次生盐渍化首先发生在输水时介长的干支渠两侧和平原水库四周，进而向面上扩展砂壤土和轻质土地区，土壤毛管性能强，比粘质」区更易发生次生盐渍化。 次生盐渍化防治措施灌区内土壤次生盐渍不可以防止的。主要措施是:①建立有通畅排水出足田间排水系统，通过灌排系统的管理运用，保持月排出的盐量大于引入的盐量，并控制地下水位在嗦深度以下，使整个根系层不发生盐分积累。②搞女道防渗，平整土地，加强用水管理，适时适量灌③在水文地质条件适合的地区尽可能实行井渠结崔溉，通过开发地下水，调控地下水位。④加强农」术措施。灌后适时中耕，减少土壤蒸发并防止返⑤改革种植制度，种地养地，增施有机肥料，不以高土壤肥力。⑥营造护田林网，利用生物排水。 (方生库溉区排地大又过排度次较粉地是的区屏渠呱灌肢么漫
