1) 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。
3) hypo-salinization soil
次生盐渍土壤
4) salinization land
次生盐渍化土地
5) soil salinization
土壤盐渍化
1.
Research Progress and Summary of Remote Sensing Monitoring of Soil Salinization;
土壤盐渍化遥感监测研究进展综述
2.
Simulation model for soil salinization in the northern region of the Yinchuan Plain;
银北地区土壤盐渍化形成机理与模拟研究
3.
Elementary Analysis on Characteristics of Soil Salinization of Geomorphology Units with Different Scales in the Neoteric and Modern Yellow River Delta;
近代及现代黄河三角洲不同尺度地貌单元土壤盐渍化特征浅析
6) Saline soil
盐渍化土壤
1.
Field experiments were carried out to study the effects of different saline soils on growth process and yield of sunflower in the Hetao irrigation area.
通过对河套灌区不同盐渍化土壤进行的田间试验 ,分析了在不同生育阶段盐分水平对向日葵生长和产量的影响。
2.
The results indicated that it is feasible that water-saving irrigation in the saline soil while salt content under (0.
5%的盐渍化土壤中进行节水灌溉是可行的。
3.
Field experiments were carried out to study the effects of different saline soils on growth process and yield of sunflower in the Hetao irrigation area.
通过对河套灌区不同盐渍化土壤进行的田间试验,分析了在不同生育阶段盐分水平对向日葵生长和产量的影响。
补充资料:土壤次生盐渍化
分子式:
CAS号:
性质:又称土壤次生盐渍化。原来非盐碱化的土壤由于不合理的灌溉或积涝而使土壤盐碱化的过程。不合理灌溉包括大水漫灌使地下水位升高,灌溉水含盐量较高,有灌无排,积涝即土壤长期被水浸泡,水不能排出,使地下水位升高。
CAS号:
性质:又称土壤次生盐渍化。原来非盐碱化的土壤由于不合理的灌溉或积涝而使土壤盐碱化的过程。不合理灌溉包括大水漫灌使地下水位升高,灌溉水含盐量较高,有灌无排,积涝即土壤长期被水浸泡,水不能排出,使地下水位升高。
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