cultivated horizon 中文意思是什麼
cultivated horizon
解釋
耕作層- cultivated : adj. 1. 在耕種[栽培]中的。2. 有修養[教養]的，文雅的。
- horizon : n. 1. 地平；地平線；地平圈。2. 地平儀，水平儀。3. 【地質學；地理學】地層，層位。4. 眼界，視界；范圍，見識。
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There was obvious dependence relationship between corn yields with changing of depth of cultivated horizon and available water content, corn yields of the corn belt phaeozem changed regularly
相關分析表明， 「平面型」界面土壤玉米產量與各養分含量間無明顯相關關系，只有當速效磷、鉀含量在五級以下時，產量才受到明顯影響。 -
Analysis showed that corn yields of the corn belt phaeozem positively related to depth of cultivated horizon and content of available water, respectively, which their correlation coefficient was 0. 788 and 0. 813. at the same time, each of organic carbon, cation exchange capacity and available n was significant positively related to com yields
而「波浪型」界面玉米產量與有機質、陽離子交換量、速效氮呈明顯相關關系。玉米產量隨有機質的增加而呈線性增加，玉米產量與陽離子交換量的相關關系可定量的描述為二項式的形式，相關顯著。
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