耕種層表土 的英文怎麼說
中文拼音 [gēngzhǒngcéngbiǎotǔ]
耕種層表土
英文
tilled soil- 耕 : 動詞1. （用犁翻地） plough; plow; cultivate; till 2. [書面語] （謀生） make a living
- 種 : 種名詞（姓氏） a surname
- 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
- 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
- 耕種 : plough and sow; work on the farm; tillage; till; cultivate
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The available phosphorus contents of the run - off from the plot iii and plot iv were higher than that of other two plots " run - off. the nutriments of sediments from the four plots were higher than the nutriments of soil in the plots. the plot ii and plot iv had the higher enrichness degree of total nitrogen than the other two plots ; the available nitrogen enrichness of sediments from plot iv was the highest, that of from plot illwas the lowest ; the available phosphorus enrichness of sediments from plot iv was the highest, that of from plot illwas the lowest ; the available potassium enrichness of sediments from plot ivwas the highest, that of from plot ii was the lowest
泥沙各種養分含量均高於小區內耕作層土壤中的相應養分含量，表現為：第2 、 4小區的流失土壤全氮養分富集度高於其餘兩個小區；第4小區流失土壤有效氮富集度最高，第2小區次之，而第1小區和第3小區的流失土壤有效氮含量與區內耕層土壤相似；各小區流失土壤中速效磷富集度為第4小區最大，第3小區最小；而第4小區耕層土壤中在流失過程中速效鉀西南農業大學二oo二屆碩士學位論文一積累量最大。Corn yields of phaeozem in " flat type " " boundary soil ( depth < 15cm ) reached 6. 65t / hm2. in addition to, content of available, water, organic carbon. cation exchange capacity and available n was the most in " flat type " boundary soil ( depth = 30cm )
在吉林玉米帶黑土土壤物理環境方面，兩種不同形狀界面構造土壤在三相組成、有效土壤量、持水性能等方面差異顯著，相關分析表明，吉林玉米帶黑土玉米產量與耕層厚度、有效水含量呈明顯相關關系。
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