soil acidity 中文意思是什麼

soil acidity 解釋
土壤酸度
  • 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...
  • acidity : n. 酸味；酸性，酸度。
  1. Biological activity in a soil is influenced by soil acidity and nutrient status.

    生物的活動被土壤養分含量狀況所制約。
  2. Determination of exchangeable acidity in forest soil

    森林土壤交換性酸度的測定
  3. Soil quality - determination of exchangeable acidity in barium chloride extracts

    土質.氯化鋇提取物中可互換酸度的測定
  4. Iso 1425 soil quality - determination of exchangeable acidity of barium chloride extracts iso 14254 : 2001

    土壤質量.氯化鋇提取物的可交換酸度的測定
  5. Younger leaves faded green and lusterless ; older leaves marginal scorch, interveinal blotchy chlorosis, necrotic patches bleaching and withering ; characteristic of some soil acidity conditions

    甜菜錳和鋁合併中毒：幼葉褪綠失去光澤，老葉邊緣枯黃，脈間有壞死褐色斑點，接著白化，枯萎。這是酸性土壤特有的。
  6. Determination of hydrolytic total acidity in forest soil

    森林土壤水解性總酸度的測定
  7. The oxidation mechanisms 、 influential factors and possibilities of sulfur as an ideal acidity regulation of nursery soil were clarified, it would provide theoretical bases for preventing availably stem rot

    摘要闡明了硫磺在土壤中的氧化機制及影響因素，指出硫磺做為一種理想調酸劑的可能性，對今後有效防止立枯病的發生提供理論依據。
  8. Exchangeable aluminium, humic acid component content in rhizosphere soil and non - rhizosphere soil, activity acidity, organic matter content, humus component content, total amount of fifteen types of amino acid, the content of various forms of phosphorus, the amount of three main types of microbes, enzyme activity, and bulk density in non - rhizosphere soil increased

    根際和非根際土壤交換性鋁含量、胡敏酸組分，非根際土壤活性酸、有機質含量、腐殖質組成、 15種氨基酸總量、各磷形態含量、三大土壤微生物數量、酶的活性和土壤容重增加。
  9. Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased

    結果表明： （ 1 ）從落葉松幼齡林到中齡林，隨著林冠的郁閉和林下植被蓋度的急劇下降，林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢，而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢；從中齡林到近熟林，由於撫育間伐，林分密度及郁閉度下降，林下植被蓋度逐步得到恢復，根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢；從近熟林到成熟林，隨著林齡的增大，根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢，而根際與非根際土壤全磷含量、土壤酸度（特別是交換性鋁）和容重呈增加趨勢。
  10. Comjpare with iron deficiency plate 73 ( incuced iron deficiency series ) ? symptoms of manganese toxicity shown here are typical of some soil acidity conditions but effects involving aluminium toxicity ( plates 69 and 70 ) are more common

    與圖73鐵缺乏相比較（包含缺鐵系列） -這里錳中毒癥狀是一些土壤過酸條件下特有的，但是含有鋁中毒（圖69和70 ）的作用更常見。
  11. ( 3 ) compared to young stand of the first rotation of larix olgensis, activity acidity ( ph value ), organic matter content, humus component content, moisture, and total porosity in rhizosphere soil of the young stand of the second rotation of larix olgensis decreased

    （ 3 ）二代落葉松幼齡林與一代落葉松幼齡林相比，根際土壤活性酸（ ph值） 、有機質含量、腐殖質組成、土壤水分含量和總孔隙度降低。
  12. Acidity and inorganic nitrogen concentrations in soil solution in short - term response to n addition in subtropical forests

    鼎湖山森林土壤滲透水酸度和無機氮含量對模擬氮沉降增加的早期響應
  13. They have different properties from montmorillonite and fe oxyhydroxides such as larger specific area, different surface potential, etc. under the acidity, temperature and other conditions ( initial arsenate concentration, ion strength, duration of adsorption ) simulated to that of soil in tropical and sub - tropical area, the adsorption of arsenate on the prepared fe - oxyhydroxide - montmorillonite complexes were conducted

    在參考實際土壤ph值和離子強度的條件下，分別以ph值、砷初始濃度、離子強度、吸附時間、吸附溫度為影響因素，進行了低聚合羥基鐵?蒙脫石復合體、蒙脫石原樣及水合氧化鐵吸附砷酸根離子的對比實驗；並用正交實驗方法，進一步研究了上述因素對復合體砷吸附能力的相對影響程度。
  14. The correlations between the arsenate uptake ability of fe - oxyhydroxide - montmorillonite complexes and the duration of adsorption, initial concentration of arsenate, ion strength of the solution, acidity and temperature of environment are investigated and compared to the adsorption of arsenate on to montmorillonite and fe oxyhydroxide. results stow that fe - oxyhydroxide - montmorillonite complexes have a strong affinity for arsenate species under experimental conditions, which is supposed to influence the behavior of arsenate in soil

    結果表明，蒙脫石復合體對砷酸根離子的吸附能力雖然略弱於水合氧化鐵，但卻明顯強于原鈣蒙脫石；吸附時間和砷初始濃度是影響復合體砷吸附量的主要因素；對于陳放時間不同的復合體來說，隨著復合體中鐵含量的增加，其對砷的吸附率及吸附容量均增大。
  15. Mongolica, soil acidity, humus component content, available k, total p, organic p, inorganic p, enzyme activity, and microbe amount of young stand olgensis of the second rotation of larix olgensis in non - rhizosphere soil also

    不同發育階段影響林木生長量的主要養分因子是土壤有機質、速效鉀、水解氮以及土壤磷形態的全磷、有機磷、無機磷總量、有效磷、 ca一p和fe一p 。
  16. Soil acidity can be corrected in a much shorter period compared to ground limestone

    所需時間更短，所以在一些國家和地區仍然偏愛使用它。
  17. Component of soil humic substances in larch plantations and its effects on soil acidity

    落葉松人工林土壤腐殖物質組分及其對酸度的影響
  18. The soil acidity and total capacity of nitrogen in guilin were higher than in jinfo mt. this is related with species of plants, the process of soil development and forming

    桂林地區土壤ph值和全氮量高於金佛山地區，這與植物種類，土壤發育過程及發育程度相關。
  19. The reduction of soil nutrient content and enzyme activity, and the apparent increase of soil acidity and bulk density are likely the main reason for soil degradation in mature stand

    土壤養分和酶活性的降低以及土壤酸度和容重的顯著增加是成熟林土壤質量降低的主要原因。
  20. The study mainly introduced some aspets as follow : the reduction of the soil acidity, the eli mination of toxicity of al, fe and mn to the root system, the improvement on acidic soil, the effect on crops yield, as well as the agricultural application of lime in home and abroad and the calculational methods of the required quantity of acidic soil in application

    摘要主要介紹了生石灰降低土壤酸度、消除鋁鐵錳對根系毒害作用、對酸性土壤的改良作用、對作物產量的影響等方面，以及生石灰在農業生產上的國內外應用情況和酸性土壤施用生石灰需要量的計算方法。
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