cultivation of soil 中文意思是什麼

cultivation of soil 解釋
土壤耕作
  • cultivation : n. 1. 耕種，耕作；中耕；開墾；造林；栽培；（細菌等的）培養；（魚等的）養殖。2. 教養，研究，修養；優雅，高尚。
  • of : OF ＝Old French 古法語。
  • soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
  1. Distribution, formation and characteristics of the saline - alkalized land in northeast china was systematically analyzed and agro - biological measures for management of saline - alkalized soil were illustrated, including cultivation of rice to wash down salts, cultivation practices, soil building practices, plantation of salt - tolerant plants and biological removal of alkali, etc. in the paper

    特殊的氣候、地形和水文地質等自然因素以及人類不合理的農業技術措施和社會生產活動等人為因素加劇了該區鹽堿化發生、分佈與演變。
  2. ( 3 ) the spatial analysis results showed that the variation of soil clay content was moderate at the direction of vertical section. the soil clay content was highest at the layer of 20 - 40cm, which showed that it is an eluvial accumulation horizon according to long - term cultivation, irrigation and rainfall

    （ 3 ）土壤粘粒含量在垂直方向上呈中等變異，整個土體在20 - 40cm土層處的粘粒含量最高，說明土壤表層由於長期耕作、灌溉降雨，土壤粘粒含量有一個淋溶淀積過程。
  3. Experimental studies were conducted at the yucheng comprehensive experimental station of the chinese academy of sciences during the period from march to june in 2003. respiration of a pulverous sandstone soil was studied under cultivation of winter wheat over a growth season. soil ch4 was measured by the static - chamber method combined with gas chromatography ( gc ) technique. the results indicated that the soil of winter wheat field in rapid growth season is a weak sink of ch4

    本文利用靜態箱氣相色譜（ gc ）分析的方法，在中國科學院禹城綜合試驗站，對華北平原冬小麥生長旺季期間麥田土壤中ch _ 4氣體通量進行了測定，試驗起止時間為2003年3 6月，得出華北平原典型冬麥田土壤是大氣ch _ 4的弱吸收匯。
  4. Experimental study on organic soil cultivation of sweet pepper in solar greenhouse

    日光溫室甜椒有機土壤栽培試驗研究
  5. Article 17 water and soil conservation measures must be adopted to prevent soil erosion when preparations for afforestation, tending of young growth, and cultivation of commodity trees such as oil - tea camellia and tung tree are done on hillsides with a slope of above 5 degrees

    第十七條在五度以上坡地上整地造林，撫育幼林，墾復油茶、油桐等經濟林木，必須採取水土保持措施，防止水土流失。
  6. They include the technologies of soil cultivation, crop cultivation and harvesting, animal production, and the processing of plant and animal products for human consumption and use

    它們包括土地的耕作、農作物的種植和收割、牲畜的飼養，以及人們消費和使用的作物和牲畜製品的加工。
  7. In the present study, a compartment cultivation system and histochemical staining were used to investigate the influence of soil available p level, plant p status and soil organic p on the growth and metabolic activity of am fungi. differences in metabolic activity among am fungal isolates and the relationship between metabolic activity and mycorrhizal effectiveness were al so investigated. in addition, am fungi from a wide range of environmental conditions ( originally isolated from north, central and south china ) were used to study the ecological adaptability of am fungi and the influence of edaphic conditions on am fungal growth and metabolic activity

    本研究採用分室根箱、組織化學等手段研究了土壤施磷水平、植物磷營養狀況、土壤有機磷對am真菌生長和代謝活性的影響；不同am真菌的代謝活性及其與菌根效應之間的關系，並對我國華北、華中和華南地區篩選出的高效菌株進行了生態適應性的比較，以期在理論上闡述宿主植物生長狀況及土壤條件對菌根真菌生長和代謝活性的調控機制，篩選出具有廣泛生態適應性的am菌株。
  8. Results showed that by using straw and plastic film dual mulch in dry - cultivation of rice planting, both of the range of temperature difference and the loss of water in dry - cultivated field of rice were decreased, the soil structure was improved, the soil nutrient contents were increased, the ineffective tillers of rice plant were decreased, the growth and development stage were advanced, the filling stage was extended, the grain per ear and 1 000 grain weight were raised, the grain yield of rice increased obviously

    水稻秸稈+地膜二元覆蓋旱作栽培效應的研究結果表明，秸稈+地膜二元覆蓋旱作稻田土壤變溫幅度降低，水分散失減少，結構改善，養分積累增加；水稻無效分蘗減少，生育轉變提前，灌漿結實期延長，穗大粒多，千粒重高，增產效果顯著。
  9. Effect of intensive cultivation on the carbon pool of soil in phyllostachys praecox stands

    雷竹高效栽培措施對土壤碳庫的影響
  10. Interpreting with cultural ecology, bunon ' s traditional agriculture of shifting cultivation and intercropping would match with the principles of soil and water conservation and biodiversity maintenance

    透過文化生態學的詮釋而認為布農人傳統的農耕方法輪作與混作，乃符合水土保持學原理並有助於維護生物多樣性。
  11. After the observation and analysis on the uniformity coefficient of irrigation and the distribution of soil moisture under each different treatment, a result was got that 35cnrs embedded depth is comparatively appropriate for vegetable cultivation for the high uniformity coefficient and the vegetable cultivation for the high uniformity coefficient and the concentrated distribution of irrigation water in the main root zone

    通過對各處理灌水均勻度和土壤水分分佈的觀測、分析，認為滲灌管埋深35cm時對蔬菜栽培是比較合適的。此時灌水均勻度高，灌溉水大部分分佈在蔬菜主要根系區。
  12. Effects of plastic film mulching on temperature increase and preservation of soil moisture and its responses to growth character of rice with dry - land cultivation

    水稻旱作覆膜的增溫保墑效果及其對生育性狀影響研究
  13. In the 1930s, western canada experienced similar problems that are facing northern - western china right now in terms of soil degradation and severe sand storms due to over cultivation

    由於過度耕作，三十年代加拿大西部面臨著與中國西部目前同樣的土壤退化沙塵暴嚴重的問題。
  14. Fertility characteristic of soil phosphorus in sheltered cultivation

    設施栽培土壤磷素肥力特徵
  15. After year ' s cultivation, the different soil fertility of each site resulted in diversities of soil productivity, which show the high spatial variability of soil fertility

    土壤耕作多年，每個田塊的土壤肥力不同導致生產力的不同，說明土壤養分含量具有高度的空間異質性。
  16. The reclamation of dunams of waste arenary soil, proposed in the prospectus of agendath netaim, bleibtreustrasse, berlin, w. 15 by the cultivation of orange plantations and melonfields and reafforestation

    靠桔園和瓜地的栽培以及重新造林來開發多少狄納穆270荒蕪的砂質土地，參看柏林西十五區布萊布特留的移民墾殖公司的說明書。
  17. In this study, three typical high - resolution holocene soil profiles in the weihe valley were studied using particle - size analysis, measurement of magnetic susceptibility, total fe, toc, caco3, rare earth elements and others. the results provide new insights into pedogenic environmental evolution and human impact of cultivation on soil development in this climatically sensitive semiarid zone

    通過對各指標實驗結果及其成壤環境意義的分析，探討了全新世渭河流域成壤環境的演變以及土壤發育的特點；並藉助歷史文獻和環境考古的成果，分析了人類活動與成壤環境之間的相互作用及其人地關系演變的過程。
  18. Based on typical sample, soil survey, environment survey and soil physical - chemical analysis, under the direction of chinese soil taxonomy, according to the principle of stability, discrepancy, dominant and integration of soil series taxonomy, applying to methods of statistic analysis and system integration, the selection of indexes of soil series taxonomy of hydragric anthrosols in chengdu plain soil series taxonomy soil series naming and index were systemically sturied. the results showed : ( l ) the main affectoi of hydragric anthrosols soil series in chengdu plain were : soil structure in 100cm soil depth ; fe2o3 ( dcb ) ; the texture of hydragric epipedon ( cultivation horizon ) ; the proportion of clay and salt in hydragric epipedon ( cultivation horizon )

    本文以成都平原主要水耕人為土為例，在中國土壤系統分類思想的指導下，通過典型采樣、土壤詳查、環境調查和室內理化分析，遵循土系分化影響因子的穩定性、差異性、主導性及綜合性等原則，利用統計分析和系統綜合分析等方法，對水耕人為土的土系劃分指標選取、土系劃分、土系命名及檢索等作了較為系統的研究。
  19. Several types of curved subsoiler shapes are designed and founded, and the macroscopical disturbing profile of soil after subsoiling and these subsoilers ' working resistance are measured with a big laboratory soil bin, the manner of graphics expression about the macroscopical disturbing profile of soil after subsoiling is quantificationally given, and the relation between the cultivation resistance and the macroscopical disturbing profile of soil after subsoiling is analyzed

    摘要設計製作了幾種彎曲型深松部件，通過室內大型土槽耕作試驗，測定了各種深松部件耕作以後土壤的宏觀擾動輪廓和耕作阻力，對于土壤的宏觀擾動輪廓給出了定量化的圖形表達方式，並且分析了其與耕作阻力之間的關系。
  20. Numerical simulation of soil moisture dynamics during cucumber crop cultivation in solar greenhouse

    日光溫室黃瓜栽培條件下土壤水分動態的數值模擬
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