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ÏÖÔÚС³æ×öʵÑ飬Óû²ÉÓÃRovira and Vallejo(2002)µÄ·½·¨À´·ÖÎöÍÁÈÀ»îÐԺͶèÐÔÓлú̼¿â¡£
Rovira and Vallejo(2002)ÎÄÕ¼òÊöÈçÏ£ºBriefly, 20 mL of
5NH2SO4 was added to 500 mg soil, and the sample was hydro-
lyzed for 30 min at 105 C in sealed Pyrex tubes, after which
the hydrolysate was recovered by centrifugation and decantation.
The residue was washed with 20 mL of de-ionized water and the
washing added to the hydrolysate. This hydrolysate was taken as
labile pool I (LPI) and analyzed for labile pool I carbon (LPI-C) and
nitrogen (LPI-N). The remaining residue was hydrolyzed with 2 mL
of 26 N H2SO4 overnight at room temperature under continuous
shaking. The concentration of the acid was then brought down to
2 N by dilution with de-ionized water and the sample was hydro-
lyzed for 3 h at 105 Cwith occasional shaking. The hydrolysatewas
recovered in the same manner as for the LPI. This second hydro-
lysatewas taken as labile pool II (LPII) and analyzed for labile pool II
carbon (LPII ¨C C) and nitrogen (LPII ¨C N).
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phitong

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Â¥: Originally posted by kingslcq at 2012-01-05 19:50:17:
http://muchong.com/bbs/viewthread.php?tid=4017234

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5Â¥2012-01-05 20:23:11
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kingslcq

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zongyu_1986(Ó¦ÖúÖ¸Êý-1): ÎÞЧӦÖú£¬¿Û³ýÓ¦ÖúÖ¸Êý 2012-01-06 12:29:15
3Â¥2012-01-05 19:50:01
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kingslcq

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°®¿ÆÑ§µÄPH.D & Prof.

4Â¥2012-01-05 19:50:17
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