cultivation layer 中文意思是什麼
cultivation layer
解釋
耕作層- 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。
- layer : n 1 放置者，鋪設者，計劃者。2 【賽馬】（一般）賭客。3 產卵的雞。4 【軍事】瞄準手。5 層；階層；地...
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The black earth is a kind of alfisol, with a thick layer of humus, loose texture, high fertility, high porosity ratio, poor permeability and a high content of clay, which is suitable for cultivation
摘要黑土是一種腐殖質層厚，質地鬆散，肥力很高，孔隙比較大而透水性差，粘粒含量高，適于耕作的淋溶土。 -
Test results have shown that the cultivable layer made of the filter cake of tailings mixed with appropriate coal ash powder, after one years fertilization and cultivation, can be used for planting crops and their production can pass that of the same local crops, which proves a good cultivation result
試驗結果表明，尾礦濾餅添加適量粉煤灰的耕作層經過一年的培肥熟化后，即可種植農作物，其產量超過了當地同種農作物的產量，耕作效果良好。 -
( 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。 -
No matter hybrid rice or conventional rice varieties, erect and semi - erect panicle rice varieties were suitable for equal row spacing cultivation for intercepting mare light at canopy, while curved - panicle rice varieties were for wide - narrow row spacing cultivation for improving light intensities of middle and lower layer leaves
但不同類型品種適宜的栽培方式不同：雜交稻適宜插單苗，而常規稻適宜插3苗；不論是雜交稻還是常規稻，直立穗型和半直立穗型品種適宜等行距栽培以減少群體漏光，彎曲穗型品種適宜寬窄行栽培以改善中下層葉片的光照條件。 -
Study on the multi - layer covering and high efficiency cultivation model of vegetables in greenhouse
日光溫室蔬菜多層覆蓋與高效模式栽培技術研究 -
We also investigated the factors including feeder layer cells, growth factors and complements, which may affect the cultivation and differentiation of these cells in vitro. the main contents as follows : ( 1 ) isolation and culture of mouse embryonic fibroblast ( pmef ) and preparation the feeder layers
主要內容包括： （ 1 ）小鼠胚胎成纖維細胞（ mef ）的分離培養和飼養層細胞的製作以妊娠13 . 5天或14 16天的小鼠為材料，建立了mef分離培養體系。 -
( 3 ) soil dried layer is the dual result of forest growth and arid climate, that is high density and extensive irrational cultivation accelerate the soil aridity
4土壤干層的危害: （ l ）土壤干層的存在使局部小氣候環境趨于旱化。 （ 2 ）土壤干層導致了土地的退化。
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