Chinese translation for "成熟林"
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- mature forest
ripe wood
ripewood
Related Translations:
骨骼成熟: skeletal maturation 成熟免疫: maturation immunity 比较成熟: comparative maturity 开朗成熟: with a pleasant mature attitude 成熟土: mature soilwell-developed soil 成熟产物: maturation products 发芽成熟: germinating maturity
- Example Sentences:
| 1. | 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
土壤养分和酶活性的降低以及土壤酸度和容重的显著增加是成熟林土壤质量降低的主要原因。 | | 2. | Compared with its characteristics in land resources with more mountains and steep sloop farmland , the land in guizhou province is over farming , a broad land in appropriate for developing as plantation , forestry or pastureland is not used in full
13为有林地中成熟林和过熟林不且且仅面积小，且下降趋势明显；用材林中近、过、成熟林资源更濒临枯竭，蓄积量还达不到1979年的水平。 | | 3. | The results showed the trend of soil ifi changes was partial " u " , namely , during the course of artificial picea succession , soil ifi decreased sharply at the initial stage , after artificial picea reaches mature forest , soil ifi recovered slowly and reached soil ifi of natural coniferous forest finally
在人工云杉林地中，土壤ifi表现出非正“ u ”型的变化，即云杉幼林向成熟林演替时，土壤ifi迅速下降，大约在云杉40龄出现自疏之后，土壤ifi回升，但恢复速度十分缓慢。 | | 4. | According to the request of relevant forest reserves assets assessment technical specification , combining the resources of the bamboo grove and manage the characteristic , expound and assess non - ripe forest and ripe forest separately from theory method to application of embodiment , prove the feasibility of the method
根据有关森林资源资产评估技术规范的要求，结合竹林资源经营特性，从理论方法到实例应用，分别对未成熟林和成熟林进行论述、评估，验证评估方法的可行性。 | | 5. | 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
结果表明： ( 1 )从落叶松幼龄林到中龄林，随着林冠的郁闭和林下植被盖度的急剧下降，林地土壤酸度、土壤酶活性、无机磷总量、速效钾、土壤水分含量、总孔隙度呈明显下降趋势，而根际和非根际土壤有机质含量、腐殖质各组分含量、三大类微生物数量、酸性磷酸酶活性和土壤容重随着凋落物的增加呈明显上升趋势；从中龄林到近熟林，由于抚育间伐，林分密度及郁闭度下降，林下植被盖度逐步得到恢复，根际与非根际土壤有机质含量、富里酸、交换性酸、交换性铝、中性磷酸酶、无机磷总量、放线菌数量、土壤水分含量、总孔隙度呈明显的上升趋势；从近熟林到成熟林，随着林龄的增大，根际与非根际土壤活性酸、有机质含量、腐殖质各组分含量、有效磷含量、氨基酸总量、速效钾、土壤酶的活性、土壤水分含量和总孔隙度呈下降趋势，而根际与非根际土壤全磷含量、土壤酸度(特别是交换性铝)和容重呈增加趋势。 | | 6. | Soil saturated capacity , capillary capacity , total porosity and capillary porosity showed the trend of the " u " during the successional course of artificial forest , namely , they reduced on the early successional stages , after picea reached mature forest , soil porosity recovered slowly . the content of natural water was mainly affected by capillary porosity . from soil chemical properties analysis , the content of soil organic , humus , ha , fa and ha / fa of topsoil was more than that of bottom layer
即人工云杉幼林向成熟林演替阶段，土壤饱和持水量、毛管持水量及总孔隙和毛管孔隙则减少，在40年生云杉林达最低值，之后随着云杉自疏，微生态改善，林地凋落物分解加快，土壤饱和持水量、毛管持水量及总孔隙和毛管孔有上升的趋势，毛管持水量是决定林地自然含水量的主要因子。 |
- Similar Words：
- "成熟开裂的" Chinese translation, "成熟考试" Chinese translation, "成熟浪" Chinese translation, "成熟砾岩" Chinese translation, "成熟裂殖体,成熟分裂期" Chinese translation, "成熟林分" Chinese translation, "成熟淋巴细胞" Chinese translation, "成熟率" Chinese translation, "成熟滤胞" Chinese translation, "成熟滤泡" Chinese translation
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