堿化土壤 的英文怎麼說
中文拼音 [jiǎnhuàtǔrǎng]
堿化土壤
英文
solonetzic soil-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction
巖溶空間介質具有地上地下雙層結構，可溶巖造壤能力低，巖溶水空間分佈不均、地表地下水關系密切、水源易漏失，偏堿性環境、生物資源集聚程度低，植被逆向演替快、順向演替難，巖溶地質與生態環境十分脆弱，受到人為因素的影響和破壞，極易產生石漠化、土壤侵蝕與退化等一系列問題。Effect of improved saline alkali soil chemical character by phosphate plaster
磷石膏改良鹽堿地土壤化學性質的效果The application and effect of desulphurized waste of flue gas in improving alkali soil
煙氣脫硫廢棄物在堿化土壤改良中的應用及效果Determination of exchangeable sodium in alkaline soil
堿化土壤交換性鈉的測定Effect of different applying methods on improving alkaline soils with gypsum
石膏不同施用方法改良堿化土壤效果淺析Characteristic of moisture and salt dynamic in saline - alkalized grassland of songnen plain during thawing period
松嫩平原鹽堿化草地消融期土壤水鹽運移特徵Effect of gypsum on improving basified soil soil column made by applying fixed quantity gypsum to basified soil surface
堿化土壤表面施用定量石膏的土柱系列In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions
本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。The soil salification is a serious problem for agriculture and environment. especially now with the development of industry, the situation of soil salification becomes more and more serious, and the quality of water is continuous worsened. research on the mechanism of salt tolerance especially in the important crops, such as wheat, is becoming more urgent than ever before
土壤鹽漬化是影響農業生產和生態環境的嚴重問題，隨著工業污染加劇，灌溉用水的質量不斷下降和化肥使用不當等原因，次生鹽堿化土壤面積有不斷加劇的趨勢，給農業生產造成重大損失；黃矮病毒病是小麥等禾本科植物的重要病害之一，其傳毒介體蚜蟲更使植物產量損失巨大。Perspective analyses on film trickle irrigation application and the present status of treating alkali soil
膜下滴灌技術應用與土壤鹽堿化治理的現狀及前景分析The formation of salt - alkaline soil included salinization and alkalinization. the increase of salinity was the character of salinization, and the increase of ph was the character of alkalinization
土壤的鹽堿化即包括土壤的鹽化又包括土壤的堿化，鹽化以上壤鹽度升高為特徵，堿化以土壤ph升高為特徵。Because of the evaporation, dissolved salt is brought to cumulate at the ground surface and the root zone when the ground water is above the critical level. then the saline soil is formed
超過臨界深度的地下水，在蒸發作用下，將鹽分帶至地表或根系分佈層累積下來，形成鹽漬化土壤或鹽土、堿土。The purpose of this web site is to share my experiences with workers in any country on water logging in agricultural lands, irrigation induced soil salinity, subsurface drainage for agriculture ( horizontal and vertical ), reuse of groundwater, ground - water hydraulics, ( geo ) hydrology, rainfall and surface runoff relations, reclamation and improvement of water logged saline, salty, sodic alkaline, and acid sulphate soils, plant growth, crop production and responses as well as statistical analysis consisting of segmented linear regression and cumulative frequency distributions
描述:探討農業耕地的水澇問題；灌溉導致的土壤鹽堿化；地表灌溉；地下水的再利用；地下水水力學；雨水與水流失的關系；淺地表排水；土壤開墾及水澇，酸性，堿性土壤的改良；片段線形回歸和累積頻數分佈的統計分析等。The factors causing soil salinization include natural factors such as climate, hydrological and geological conditions, and human - made factors, such as irrigation patterns and cultivating system
鹽漬化土壤類型主要為典型鹽土、沼澤鹽土、堿化鹽土和乾旱鹽土。Applications of dna molecular markers to fruit trees
磷石膏在堿化土壤改良中的應用及效果A preliminary study on chemical reaction in the process of improvement of alkali - affected soil
石膏改良堿化土壤中所發生的化學反應的初步研究Salinity effect on sunflower at seedling stage during improving sodic soils reclaimed with by - product from flue gas desulphurization
脫硫石膏改良堿化土壤過程中的向日葵苗期鹽響應研究A causal diagnosis is conducted on the yellows of machilus thunbergii by means of the soil - plant chemical analysis, enzyme diagnosis, and field experiments, which grow in the saline - alkali soil at zhujiajian nursery stock base
摘要採用土壤植物化學分析、酶學診斷和田間試驗對舟山市朱家尖苗木基地鹽堿地土壤紅楠黃化成因進行了研究。With the development of agriculture and industry and the enlargement of man ' s activity, the demand of water supply has increased in the region over the past decades. in the backward areas along the heihe river, there are a lot of ecological environmental problems such as lake dried up, sustainable, lowering of ground water level, water pollution, soil salinization and desertification, degradation of natural oasis and grassland, as well as sand storm
近幾十年來，由於工農業的發展和人類活動的擴大，黑河流域中下游用水量的增加，黑河下游出現了嚴重的缺水現象，由此導致了一系列諸如河流湖泊乾枯、地下水水位持續下降、水質惡化、植被退化、土壤鹽堿化、土地風蝕化等環境問題。包氣帶水分、鹽份的分佈和運移對地表植被生長有著重要的影響。分享友人