速效磷 的英文怎麼說

中文拼音 [sùxiàolīn]
速效磷 英文
rapidly available phosphorus
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 磷 : 名詞[化學] phosphorus （15號元素,符號p）
  • 速效 : quick results; quick acting速效肥料 quick acting fertilizer; active fertilizer; readily available...
  1. Though the study on the long - term of no - tillage and ridge culture in this dissertation, the research results are as follows : 1 ) nt can change the wee terrain and change the conditions of air and water, which leads to the seasonal fluctuation of the main kinds of microbes such as bacterica, foungi, azotobacter and cellulose decomposing bacteria

    3 ，聚土壟作（包括冬水壟作、兔耕壟作、免耕廂作）的平均增幅為156 2 ，有機質和速效氮也有同樣的趨勢；全磷和速效磷、全鉀和速效鉀隨作物的種類、生長周期、水分和氣溫的變化而變化。
  2. The normal analytic technique was adopted to mensurate the basical nutrients such as total n, total p, total k, available n, available p, available k, organic matter, ph and so on. meanwhile, various techniques were employed to mensurate the soil dissoluble carbon, finally the technique of water saturating - h2so4 - agso4 - circumfluence - feso4 titration was used in this experiment

    測定土壤的基本養分狀況全氮、全磷、全鉀、速效氮、速效磷、速效鉀、有機質、 ph等採用常規分析法，對土壤可溶性碳的測定方法進行了多方面的探索，最後採用水提? h _ 2so _ 4 - ag _ 2so _ 4迴流? feso _ 4滴定這一方法。
  3. The distribution patterns of total phosphate, available phosphate, available iron follow lognormal and others normal distribution. 3

    在分佈類型上，除全磷、速效磷、有效鐵服從對數正態分佈外，其餘全為正態分佈。
  4. 4 ) soil nutrient of leguminosae also higher than non - vegetation soil ; while organic matter and available k increased, there was no significant change in total n ( it increased slightly ) ; available p and soil ph decreased

    4 ）豆科植物較無植被覆蓋地，土壤養分朝著良性循環轉變。土壤有機質、速效鉀含量提高，全氮含量稍有增加，速效磷含量降低， ph值有所下降；這些變化主要發生在土壤表層。
  5. ( 5 ) the organic matter, total nitrogen, available phosphorus content were different between different land use types in 1980 and 1999, the order of these nutrients content in different land use types was irrigated land > rained farmland > grassland in 1980 ; the order of these nutrients content in different land use types in 1999 was vegetable land > irrigated land > rained farmland ; the changes of organic matter, total nitrogen, available phosphorus content were different between different land use types from 1980 to 1999, the order of these nutrients content change was vegetable land > irrigated land > rained farmland > grassland

    （ 5 ） 1980年，土壤有機質、全氮、速效磷三種養分含量在旱地、水澆地、荒草地三種用地類型間的變化規律是水澆地旱地荒草地，而速效鉀含量在三種用地類型之間的變化規律為旱地水澆地荒草地。 1999年，土壤有機質、全氮、速效磷含量在不同用地類型之間的變化順序為菜地水澆地旱地；而速效鉀含量的變化順序卻為旱地菜地水澆地。
  6. ( 5 ) compared with virgin land, the soil organic matter, total n, total p, total k, slowly released k and available n of alfalfa land increased at different degree

    （ 5 ）首蓓地較荒地相比，土壤有機質、全n 、全p 、全k 、緩效k和堿解n都有不同程度的增加，速效磷和速效鉀則下降較多。
  7. The available phosphorus contents of the run - off from the plot iii and plot iv were higher than that of other two plots " run - off. the nutriments of sediments from the four plots were higher than the nutriments of soil in the plots. the plot ii and plot iv had the higher enrichness degree of total nitrogen than the other two plots ; the available nitrogen enrichness of sediments from plot iv was the highest, that of from plot illwas the lowest ; the available phosphorus enrichness of sediments from plot iv was the highest, that of from plot illwas the lowest ; the available potassium enrichness of sediments from plot ivwas the highest, that of from plot ii was the lowest

    泥沙各種養分含量均高於小區內耕作層土壤中的相應養分含量，表現為：第2 、 4小區的流失土壤全氮養分富集度高於其餘兩個小區；第4小區流失土壤有效氮富集度最高，第2小區次之，而第1小區和第3小區的流失土壤有效氮含量與區內耕層土壤相似；各小區流失土壤中速效磷富集度為第4小區最大，第3小區最小；而第4小區耕層土壤中在流失過程中速效鉀西南農業大學二oo二屆碩士學位論文一積累量最大。
  8. The result indicated that straw mulching could increase soil porosity by 2. 88 % - 5. 76 %, reduce soil bulk density by 1. 86 % - 3. 73 % and the content of soil water with straw mulching was higher than that with no straw mulching treatment ( ck1 ) at different growth stage, improve water - stable aggregate ; and increase soil organic matter, available n, available p, available k, improve soil perviousness and soil retention of water and fertilizer

    研究結果表明，與對照ck1 ，相比，秸稈覆蓋可使土壤總孔隙度增加2 . 88 % ~ 5 . 76 % ，土壤容重降低1 . 86 % ~ 3 . 73 % ，並且各生育期覆蓋處理的土城含水量均比對照高，並且秸稈覆蓋還田對促進土壤團粒結構形成具有較大作用，改善了土坡通透性和保水保肥性；同時秸稈覆蓋還田使土壤有機質、全氮、速效氮、速效磷、速效鉀得到明顯提高，從而培肥地力。
  9. This research investigated the variability and the quantitative relationships among soil nutrients ( soil ph, total n, organic matter, available p ), growth status ( spad, lai and spad lai ) and yield of rice. all data were analyzed by both classical statistics and geostatistics based on gis. by further integrating gis, gps and crop management knowledge model, a decision support system for precision farming ( dsspf ) was developed, which laid a technical foundation for the practical application of precision farming system

    本研究基於gis技術，以經典統計和地統計學為分析手段，確立了田區土壤養分（土壤ph 、全氮、有機質、速效磷、速效鉀） 、水稻作物長勢（ spad 、 lai 、 spad * lai ）和產量的空間變異特徵及定量關系；進一步以作物管理知識模型為智能決策支撐，提出了gis與模型及gis與gps的組件化集成技術，構建和實現了基於田區作物產量、土壤養分和苗情監測差異的精確農作決策支持系統（ dsspf ） ，為精確農作系統的應用奠定了技術基礎。
  10. Soil ca leaches easily after fire. then soil ca can returned to level before burning gradually

    火燒跡地土壤速效磷含量的變化與全磷有大致的趨勢。
  11. The yearly burning raised soil pll, available n and k and reduced soil organic mater, total n, total p, available p and ca

    連年火燒跡地土壤ph值升高，有機質、全氮、全磷、速效磷、鈣的含量均有所下降，而有效氮、有效鉀的含量有所增加。
  12. Spore density was affected by soil olsen - p content and ph

    農田土壤中速效磷含量、 ph對孢子密度的影響較大。
  13. And the organic p content o soil covered with plastic film changed little compared with that in nakedness soil

    地膜覆蓋明顯減少了速效磷的含量，增加了磷的移出量。
  14. Either neutral phosphatase or alkaline phosphatase had significant positive relations to soil o. m, po and avail

    無論是中性磷酸酶還是堿性磷酸酶都與有機質、有機磷和速效磷有著顯著的正相關關系。
  15. Partial correlation also showed there was closer relation for avail. p to po than that to pi in tested soils. 4

    從偏相關系數分析，土壤速效磷與有機磷的相關關系要比與無機磷的相關關系更為密切。
  16. Soil pollution index and olsen - p content were more closely related to species diversity in polluted soil, while ph and olsen - p content were more closely related to spore den sity

    重金屬污染土壤中，綜合污染指數和速效磷含量是影響種的豐度的主要因素，土壤ph值與重金屬綜合污染指數是影響孢子密度的主要因素。
  17. There was obvious dependence relationship between corn yields with changing of depth of cultivated horizon and available water content, corn yields of the corn belt phaeozem changed regularly

    相關分析表明， 「平面型」界面土壤玉米產量與各養分含量間無明顯相關關系，只有當速效磷、鉀含量在五級以下時，產量才受到明顯影響。
  18. The main result is as follows : 1. after erosion, the content of organic matter, total nitrogen and the available nitrogen in the sediment is more than that of soil sample. namely the enrichment phenomenon of organic matter, total nitrogen and the available nitrogen in slope cultivated land erosion soil is obvious

    黃?土受侵蝕后，泥沙樣中有機質、全氮和堿解氮的含量都高於雨前採集的坡地表層土樣，即黃?土坡耕地水土流失中有機質、全氮和堿解氮流失的「富集」現象明顯，而全磷和速效磷卻無明顯的「富集」現象。
  19. Organic matter and available n of topsoil decreased in recreational areas, but the soil bulk density and ph increased. affected by garbage decomposing, soil available p concentration varied obviously in recreational areas

    活動區土壤有機質含量降低， ph值升高，容重增大，堿解氮含量降低，受垃圾分解影響，速效磷含量發生變化。
  20. ( c ) land natural productivity increase from 7843 kg / ( hm2 - a ) to 17335 kg / ( hm2 - a ) relate to altitude closely, and the mean rate of enhancing yield is 23. 53 percent in this region with annual enhancing - rate of 0. 64 percent in last 15 years. ( d ) there are many facters that have been influe ncing soil effective coefficient that ' s soil organic matter, total nitrogen, effective phosphine and soil texture in turn. in a word, attenuation cause of land productivity is the result of water and soil. ( e ) the forestland potential productivity change from 3986 kg / hm2 to 15034 kg / hm2, but it has a high distinction between southern aera and north area in yaan city. ( f ) the grassland potential productivity increase from 4085 kg / ( hm2 - a ) to 16973 kg / ( hm2 - a ), but it has a high classification of potential productivity, ( g ) ditribution map was formed of potential land productivity. ( h ) it could be act as decision support for agriculture development, national land planning and ecotop constructive, etc

    5 、土地自然生產潛力水平的主要土壤限制因素為有機質、全氮，其次為速效磷和土壤質地；區域潛在生產力差異的制約因素，主要為土壤，次為水分，水、土兩項衰減合計為45 . 99 ，石棉、漢源兩縣水、土衰減達到60左右。 6 、林地潛力在3986 15034kg / hm ~ 2之間，高等級林地比重小，以大相嶺為界，北部的各縣林地生產力水平高，南部的兩縣林地生產力水平較低。 7 、天然草地生產潛力水平高，潛力在16973 4085kg / （ hm ~ 2 ? a ）之間，以高產的一、二、三級草地為主，且近10年來該比例變化不大。
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