c-horizon c 中文意思是什麼
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3 ) indexs of soil series taxonomy and retrieval orders : a ) soil structure : the classification was based on the soil profile and " b " horizon differentiation. b ) texture style. c ) organic substance : according to four levels 20. 1 - 30. 0, 10. 1 - 20. 0, 6. 1 - 10. 0, < 6. 0 ( g / kg ) 4 ) according to the standard of chinese soil taxonomy and this study, 17 soil swatches were divided into 14 soil series. among which, 9 belonged to cambic order, the order 7 belonged to entic order
土壤有機質狀況:按照土壤有機質分級指標,結合供試土壤有機質狀況,按20 . 1 ? 30 . 0 、 10 . 1 ? 20 . 0 、 6 . 1 ? 10 . 0 、 6 . 0 ( g kg )四個級別劃分土系( 4 )按照系統分類統一標準及本研究建立的土系劃分指標和檢索順序,對照供試土壤的理化性質進行檢索, 17個供試土壤共劃分為14個土系,其中9個屬于雛形土綱, 5個屬于新成土綱。 -
Namely : a horizon > b horizon > c horizon ; 3. the seasonal regularities of the soil contained total microbe show similitude. the totality mic - robe is more in spring than in autumn
從季節變化可以看出,三大類群微生物的數量及總菌數隨季節變化而變化,夏季多於秋冬季。 -
Horizon c ( 6. 15g kg - 1 )
但是,同一種凋落物
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