分蘗節 的英文怎麼說
中文拼音 [fēnnièjié]
分蘗節
英文
node of tiller-
The maximum influence of drought stage upon rice yield is the jointing - booting stage ; the second influence stage is earing stage and the suitable water deficiency in tillering and filling stage can ' t bring tremendous effects on yield of rice
不同階段的不同程度受旱對水稻生長發育的影響不盡相同,相同程度受旱對產量影響最大的階段為拔節孕穗期;抽穗開花期次之,在分蘗期和灌漿期實施一定程度的水分虧缺不會對產量構成較大影響。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 vegetative tiller can produce more buds than the reproductive tiller on hordeum brevisubulatum population, and the age structure of bud from either vegetative tiller or reproductive tiller is an increasing model
野大麥種群營養蘗分蘗節的營養繁殖力比生殖蘗強,營養蘗和生殖蘗上芽的組成亦均為明顯的增長型年齡結構。Bud is produced in both rhizome and tiller - node, rhizome can produce more buds than tiller - node on hordeum brevisubulatum, arundinella hirta, calamagrostis epigeios, c. rigidula and hierochloe glabra populations. both 1st age rhizome and tiller - node of 1st age tiller are mainly two contributors in importing of bud bank
根莖和分蘗節是芽的主要產生部位,牛鞭草、野古草、拂子茅、硬拂子茅和光稃茅香種群根莖的營養繁殖力比分蘗節強, 1齡根莖和1齡分蘗株分蘗節是芽庫輸入的主要貢獻者。The tiller - nodes of 6 species of rhizome grass, including leymus chinensis, hemarthriajaponica, arundinella hirta, calamagrostis epigeios, c. rigidula, hordeum brevisubulatum in songnen plain, can live at best for 2 to 5 years, and do 2 to 4 propagating generations which is the same as the age class of tiller in number. the age structure of population is an increasing model which the young tiller is more than the old at quantity and biomass. during the whole growing season, the age spectrum varies for each species
松嫩平原,羊草、牛鞭草、野古草、拂子茅、硬拂子茅和野大麥等6種根莖型禾草種群的分蘗節最多可以存活2 5個年度,可以進行營養繁殖2 4個世代,分蘗株的齡級數與分蘗節營養繁殖的世代數相同,在種群分蘗株的數量和生物量上,生長季的各個時期均以幼齡分蘗株占較大比例,呈現為明顯的增長型年齡結構,各種類的年齡譜組成各異。The development and formation of above - ground organs in wheat plant were simulated systematically and comprehensively, including leaf blade, internode and tiller
對小麥植株地上部器官形成過程進行了較為系統、全面的模擬研究,建立了包括葉片、節間和分蘗的解釋性動態模型。The effects of different tillering position and number on heading date of the hybrid rice shanyou 63 were studied under the condition of potted artificially controlled by the removal of tillers on specific nodes
摘要以汕優63為材料,研究了在盆缽栽培條件下人工去蘗形成不同節位、不同數量分蘗的處理對抽穗期的影響。Results show that the growth of plants is limited, growth of root is enhanced, water consumption is reduced, water use efficiency increase apparently, yield has little reduce when reducing irrigation water and detaining irrigation time properly
結果顯示:分蘗拔節期適當減少灌水量並推遲灌水時間,能抑制春小麥地上部分的生長,促進根系生長,減少總耗水量,提高水分利用率。An optimum planting density must be employed to get a high yield, depending upon soil condition, varietal tillering ability, fertilizer level, number of plants per hill, and planting season
獲得高產必須採用最適植株密度,視土壤條件、品種分蘗力、肥力水平、每蔸苗數和播種季節而定。Effects of tillering position and tiller number on economic yield of paddy rice
水稻不同節位和數量分蘗對經濟產量的作用分享友人