堿性土壤 的英文怎麼說
中文拼音 [jiǎnxìngtǔrǎng]
堿性土壤
英文
alkali 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Determination of exchangeable sodium in alkaline soil
堿化土壤交換性鈉的測定What shall we grow in this alkaline soil
我們應該在堿性土壤里種什麼?3. the two species are suitable for growing in the cool, moist habitat with alkaline soil and sensitive to water
兩物種適宜生長在陰涼、濕潤、略呈堿性的土壤中,對水分因子特別敏感。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。Garden hydrangeas ' color can be manipulated with the soil ph. pink and red hydrangeas turn blue and purple in acid soils, while blue hydrangeas turn pink in alkaline soils
庭院八仙花屬的顏色可以指示土壤的ph值。粉紅和紅色的八仙花轉變成藍色和紫色表示酸性土壤,而藍色的八仙花轉變成粉紅色則表示在堿性土壤。From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops
摘要從農業經濟效應和環境生態效應二方面,論述了稀土肥料促進作物生長、發育,提高作物產量,改善作物品質的效應與機理;影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能,繼而反饋調節作物生長;緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應;並以稀土在作物體內分佈與富集規律為參考,探討了稀土農用的安全性。Characteristic of ammonia volatilization of percarbamide in different acidity and alkalinity soils
過碳酰胺在不同酸堿性土壤上的氨揮發特性研究Analysis on the buffer action of three kinds of different soils from two soil types of the north of henan, showed that the order of buffer action acid and alkali of three kinds of different soils was as following : chao soil with high fertility > lime drab soil > chao soil
摘要對豫北地區的2個土類3種不同土壤的緩沖性能進行分析研究,結果表明:供試土壤對酸、堿的緩沖性強弱依次為高肥潮土褐土潮土。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 soil physical composition, organic matter, total nitrogen, total phosphorus, total potassium and ph of salix psammophila ccheckerboard and contrast sand of dalate county were investigated in 2005, the effects of salix psammophila checkerboard on physical and chemical characteristics of sandy soil were analyzed
摘要本試驗於2005年在達拉特旗測定了設置沙柳沙障的沙丘和對照樣地(未設沙障)的土壤機械組成、有機質、全氮、全磷、全鉀、酸堿度等理化指標,對比分析沙柳沙障對土壤理化性質的影響。Soil quality - dissolution for the determination of total element content - dissolution by alkaline fusion
土壤分析.測定總元素含量用的溶解度.堿性溶解物的溶解The comparison of the effect on the water propertles of alkaline - saline grassland between biological and chemical amel iorates
化學改良對重度鹽堿化草地土壤水分特性影響的比較研究The results are as following : the soil nutrients, such as organic matter, total n, available k and hydrolytic n, and the soil moisture under the shrubs of s. vulgaris were heterogeneously distributed
研究結果如下:天然臭柏灌叢地土壤水分,有機質、全氮、速效鉀和堿解氮(速效氮)等養分含量的分佈具有空間異質性。The soil phosphate activities were determined after 0, 10, 50, 60 days. the results show that alkaline phosphate activity was degressive, acidic phosphate activity changed inconsistently and neutral phosphate activity was ascending slowing. the analyse of the phosphate activity ' s absolute change also shows that the influence of soil algae on phosphate activity is not prominent
結果表明,待測土壤中的堿性磷酸酶活性全部是下降的,中性磷酸酶活性緩』陛上升,而酸性磷酸酶活性的變化沒有太大的規律性,但是總體上還是上升的、其磷酸酶活性絕對變化的方差分析也表明藻類對土壤磷酸酶的影晌不顯著。Results showed that during hydrothermal degradation, the contents of hemicellulose and cellulose in lawn - grass and weeds decreased while the content of lignin increased due to derivation and condensation
結果表明,在濕解過程中草坪草和雜草中半纖維素、纖維素的相對含量呈減少趨勢;木質素類物質經過衍生和小分子縮合后,其相對含量呈增加趨勢;濕解最終產物呈弱酸性,可以用來改良堿性土壤。Because of alkaline calcareous nature of soils, availability of micronutrient is a problem, particularly zn in rice soils, cu and zn in citrus and fe in apples
因堿性石灰性土壤的特性,微量養分有效性不高,特別是水稻土中缺鋅,柑桔園中缺銅缺鋅和蘋果園中缺鐵。Eng. ) we teach soil definition, soil classification, soil architecture and physical properties, soil aeration and temperature, soil colloids, soil acid, alkalinity and salinity, soil organisms, soil organic matter, nitrogen and sulfur economy of soils, soil phosphorus, potassium and micronutrients, practical nutrient management
中)主要講述土壤的基本定義,土壤的化育、生成與分類,土壤的物理、化學與生物特性,土壤的通氣與溫度,土壤膠體特性,土壤的酸性、堿性和鹽性,土壤中的元素,土壤管理等。分享友人