yield of spring 中文意思是什麼

yield of spring 解釋
泉的流量
  • yield : vt 1 生出,產生(作物、報酬、利益等)。2 給與,讓與;讓渡;放棄(權利、地位等);交出。3 承認。4 ...
  • of : OF =Old French 古法語。
  • spring : n 1 春季,春天。2 青春;初期。3 〈pl 〉大潮時期。4 泉。5 源頭,水源,根源,本源;發生;動機,原動...
  1. Results showed that the yield of d. nipponica was high after the fruitage ripeness term in autumn or before the scourge - end term in spring ; the content of diosgenin in the 2 - year - old plant rhizome reached the standard of pharmacopoeia of people ' s repubilc of china, what ' s more, the content of diosgenin in 3 or 4 - year - old plant rootstock is far higher than that in 2 - year - old plant rhizome, and the content of diosgenin rhizome in may collection reached the highest

    結果表明,于秋季果熟期之後或春季鞭梢子期之前採收,穿龍薯蕷的產量均較高; 5月採集的穿龍薯蕷根莖中薯蕷皂苷元含量最高; 2年生穿龍薯蕷根莖中的薯蕷皂苷元含量即可達到《中國藥典》標準,而3年生和4年生穿龍薯蕷根莖中薯蕷皂苷元的含量遠高於2年生穿龍薯蕷。
  2. High - yield and high efficency production technique of spring wheat interplant maize

    春小麥套種玉米制種高產高效栽培技術
  3. Breeding strategy in the future and high - yield technology of spring wheat from ecological adaptability viewpoint of wheat

    從生態適應性角度談春小麥高產技術及育種策略
  4. Effect of nitrogen application on flag leaf senescence and yield of spring wheat

    氮素施用方式對春小麥花后葉片衰老與產量的影響
  5. Cultivation techniques with high yield and good quality of spring onion in mountain areas in gangu county

    甘谷縣山地大蔥高產優質栽培技術
  6. The result of experimentation on coupling effect of water and fertilizers on spring corn in the three gorges reservoir area indicate that water stresslead the effect low of highness and lai, and the most effect is made in shooting stage ; it has a significant positive correlation between the yield of corn and biomass, and hasn ' t none significant positive correlation between the yield of corn and the weight of roots ; the coupling effect of water and n is significant, but the coupling effect of water and k is not significant, the maximum yield of corn condition fitting - water and medium n, corn absorbs n has a threshold value during the growth, and using superfluous n is able to prick up soil drought and crop drought ; water is the leading factor which effects the yield of corn, next is n and k

    摘要三峽庫區春玉米盆栽水肥耦合試驗研究結果表明,水分脅迫導致玉米株高和葉面積指數降低,以拔節期受到影響最大;玉米產量與生物量呈顯著正相關關系,產量與根重無顯著正相關關系;水氮耦合效應顯著,適宜水分和中氮處理下玉米的產量最高,玉米生長發育對氮肥的吸收存在一定的閾值,過多施用氮肥會加劇土壤乾旱和作物乾旱,水和鉀耦合效應對玉米產量影響不顯著;水分是影響玉米產量的主導因素,其次是氮效應和鉀效應。
  7. High - yield cutiviation techniques of spring - sown wild cabbage ' s rape qinyou

    甘藍型優質油菜雜油59號春播高產栽培技術
  8. The interplanting model of spring corn + peanut ( soybean ) and autumn corn + cabbage with high yield was described and the experience in agricultural production was summarized

    詳述了「春玉米+花生(毛豆) ?秋玉米+大白菜」高產栽培技術措施,總結了該種植模式在生產中的經驗,認為該種植模式操作簡單,充分利用空間,合理調節矛盾,經濟效益高。
  9. The empty - load can meet the request of our country ' s main type brakes, and that it can adapt most types freight car ' s bogies if they have a uniform static yield of bolster spring and can be modified a few parameters to meet the other bogies needs which have no uniform static yield of bolster spring. so the device has a good future in the empty - load research

    本空重車自動調整裝置能與我國現有的各型制動機(直接作用和間接作用)相匹配,對于各類轉向架只要靜撓度相同均可採用同樣的結構,對于靜撓度變化較大的轉向架該裝置可進行相應的結構調整,以保證在相應行程內的調整要求。
  10. Effect of the factors of soil water and fertilizers on yield of spring corn in horqin sandy land

    沙地農田肥水因子對春玉米產量形成的影響
  11. It shows that if the rainfall increased in the autumn, the storage of the soil water was higher next spring, moreover the better the soil moisture, and the earlier the regreening, and the higher herbage yield of the natural grassland

    分析表明:秋季降水越多,環湖區土壤水分貯存量越多,翌年土壤墑情越好、牧草返青越早且牧草產量越高。
  12. High yield cultural technique of spring - planted potato

    馬鈴薯春季高產栽培技術
  13. Effects of potassium on yield and qualities of spring wheat

    鉀對春小麥產量及品質的影響
  14. Researches on contribution rate of rainfall to the yield of spring wheat

    降水對春小麥產量貢獻率的研究
  15. In the study, six different ecotype varieties of common wheat and f1 derived from 6 6 complete diallel crossing system were selected for the research on the characteristics and heterosis of spike differentiation. the results showed that heterosis existed in most key spike differentiation phases and varied with different ecotype varieties. heterosis of spike differentiation was positively correlated with heterosis of hybrid yield. finally, the author concluded that it was the best way to produce strong heterosis combination by selecting the mode ofspring wheat winter wheat ” in huanghuai winter wheat region

    對6個不同生態類型小麥品種及其完全雙列雜交f1幼穗分化特點和穗分化雜種優勢的研究表明,雜種幼穗分化各主要時期普遍存在雜種優勢;不同生態類型組配方式的雜種穗分化優勢不同;穗分化雜種優勢與產量雜種優勢具有一定相關關系;黃淮麥區雜交小麥最佳生態組配方式為春性品種冬性品種。
  16. At the same time, using the results of model, the paper provides the optimization irrigation quota and the aim of high yield and high benefit based on the principle that the net benefit of unit water is highestusing the model, we can reasonably distribute the irrigation water for spring - wheat during growing period on the condition of different irrigation quota. through evaluating the comparative yield by the model, the paper gains that the reduction of spring - wheat output is biggest when the irrigation quote is between 100 and 200. the thesis also gains that the corresponding economic irrigation quota is 170 - 120m3 / 667m2. above results can provide scientific reference for irrigation water optimization distribution for crops in the individual irrigation area and the programming of irrigation district

    在現有的生產條件下,可以利用模型在不同的灌溉定額下對春小麥生育期灌水進行合理的分配,並可以利用模型進行作物相對產量的評估,得出當灌溉定額在100 m 200范圍內時,春小麥的產量下降幅度較大,最後得出相應的經濟灌溉定額為170 120m ~ 3 667m ~ 2 ,為今後河套灌區各灌域多作物灌溉水量最優分配以及灌區的規劃設計方面提供了科學參考依據。
  17. The sensitivity indices at different growth stages of the two models differ significantly, which indicates that the time of occurrence of water deficit has a great influence on the reduction of the yield of spring wheat an maize

    這一結果可能是由於minhas模型的自變量採用b _ 0和_ i雙重冪指數的數學結構,而能夠較好反映乾旱區作物對水分敏感的特性。
  18. Analysis of simulation results of the model shows that the model is able to express correctly the relation between the yield and water use of spring wheat and this method has some unique merit

    在不同供水量下對春小麥產量的模擬預測表明,該模型能夠正確反映作物產量與水分關系的一般規律。
  19. Effect of different plastic film mulching patterns on yield of spring potato

    廣州地區冬種馬鈴薯覆蓋栽培試驗
  20. Effects of regulated deficit irrigation on grain yield of spring wheat in an arid environment

    調虧灌溉對乾旱環境下春小麥產量與水分利用效率的影響
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