近源土壤 的英文怎麼說
中文拼音 [jìnyuántǔrǎng]
近源土壤
英文
soil of immediate derivation-
The forecast of the geographical equilibrium point of k has been made using different methods. the result indicates that the order of the geographical equilibrium point of k is : total k > l / 2k > - k, ck. 5. the result indicates that the geographical equilibrium point of 1 / 2k is the most suitable one for the sustainable use of land and fertilizer resource
用灰色極限推測理論和時間序列分析對作物收獲后的土壤鉀素地理平衡點進行了預測，結果表明平衡點順序為：全k處理> 1 2k處理> - k處理、 ck處理， - k的平衡點與ck接近，兩者差異不顯著，而施用鉀肥的外源平衡點高於內源平衡點。( 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。To survive, the chesapeake bay and its rivers must endure an array of assaults from air, water and land
描述:通過調查，切薩皮克海灣以及附近的河流受到了空氣、水資源和土壤污染的侵襲。In recent years, certain studies have been conducted and experiences accumulated in constructing a team of scientific and technical personnel. yet comparing with current new theories and practices of human resource in developed countries, many problems still needs to be solved, such as non - flexible mechanisms, less motivation, unreasonable structures of personnel
遼河油田是在計劃經濟的土壤里成長起來的國家控股石油公司，近年來，在科技人才隊伍的建設上，雖然做了一定的探索，也取得了一定的經驗，但是，與當今人力資源新理論相比、與發達國家的人力資源實踐相比，還存在著很多問題需要解決。分享友人