Volume 1t~2, number I, 119~121
FEB$ 09629
April 1991
© 1991 F~thcrtltlott of European Btoeh~cmJ¢al $0¢i¢11¢s{3014~'~},~|.k~r),~lO ,4 DONI,~I~14~!'I9~1¢~I gO] 13X
Analysis of
and
CPMAS NMR-spectra of soil organic matter and composts
G, A l m e n d r o s :~, g . F d i n d L F.J, Gonzalez-Vila'*. K , M . Holder =, H, Knicker= a n d H.-D. L B d e m a n n ~ Iln~t.fiT¢ Btophysik. Uniccrsitiit Rcgcnshurg, D.tt400 Rctlcnsbu~ll, Gcrma~),. zln~t,fi'ir P.thm:¢ncrntlh~utlg and Bmlcnk~ml¢. 1).3.!00 Brala~schw¢ig, G¢~'ma~y, ~ htstttuto Clcn¢iux. Mcdlaamblcnmlcs, CSIC. MadrltL Spaht ~latl ~Ccnlro de Recursos Naturalrs y dtlrablolnllla, C,~IC, SCvlIkL ,¢;paht Received 31 December 1990; revised version received I I February 1991 ~ N and ~sC CPMAS spectra t~f compostcd plants are presented, The pla~ts (L. ri~idlum and Zca nu~ys) were 8rowe in ~ N enriched medium and rennented Ibr several months until an approx. 80'/~ of" the dry matter was lost. In all ~JN spectra the secondary amide/pcptide r:1 5 87 5 >1 4
Missing signals: 95-120 ppm
160-180 280-320 -290
ppm ppm ppm
Assignment
residual nitrate ions nitrogen at position 9 in purine base of nucleic acids peptide nitrogen of proteins -NH2 groups in bases of nucleic acids free amino groups of peptides, amino acids and amino sugars NH:
ctuinonimines” pyrrols Schiff-bases phenazine derivatives
a Intensities: I= iniatial, F: final b Possibly hidden under the strong peptide signal
120
composts given in Fig. I
FE~$ LETTERS
Volume .~2, numl~r I
Aprill~l
T~b|~ i l Compo~ltioo of the ¢.mp~tcd m~l{ri;d a~ d¢l~mlnctl b~ lal~ltr~tion
or the "C,CPMA$ ~p¢~lr. Pla~,~tbl¢ a~stpnmcm or tl~< ran~¢~ ts~¢ lID: 220~160: ¢~arbe.~yl~(arbonyl 160-1 tO: most afomatt¢ ,~lr~l~:t~¢o 11 !- 60: carbohydtal¢ tl
FEB$ 09629
April 1991
© 1991 F~thcrtltlott of European Btoeh~cmJ¢al $0¢i¢11¢s{3014~'~},~|.k~r),~lO ,4 DONI,~I~14~!'I9~1¢~I gO] 13X
Analysis of
and
CPMAS NMR-spectra of soil organic matter and composts
G, A l m e n d r o s :~, g . F d i n d L F.J, Gonzalez-Vila'*. K , M . Holder =, H, Knicker= a n d H.-D. L B d e m a n n ~ Iln~t.fiT¢ Btophysik. Uniccrsitiit Rcgcnshurg, D.tt400 Rctlcnsbu~ll, Gcrma~),. zln~t,fi'ir P.thm:¢ncrntlh~utlg and Bmlcnk~ml¢. 1).3.!00 Brala~schw¢ig, G¢~'ma~y, ~ htstttuto Clcn¢iux. Mcdlaamblcnmlcs, CSIC. MadrltL Spaht ~latl ~Ccnlro de Recursos Naturalrs y dtlrablolnllla, C,~IC, SCvlIkL ,¢;paht Received 31 December 1990; revised version received I I February 1991 ~ N and ~sC CPMAS spectra t~f compostcd plants are presented, The pla~ts (L. ri~idlum and Zca nu~ys) were 8rowe in ~ N enriched medium and rennented Ibr several months until an approx. 80'/~ of" the dry matter was lost. In all ~JN spectra the secondary amide/pcptide r:1 5 87 5 >1 4
Missing signals: 95-120 ppm
160-180 280-320 -290
ppm ppm ppm
Assignment
residual nitrate ions nitrogen at position 9 in purine base of nucleic acids peptide nitrogen of proteins -NH2 groups in bases of nucleic acids free amino groups of peptides, amino acids and amino sugars NH:
ctuinonimines” pyrrols Schiff-bases phenazine derivatives
a Intensities: I= iniatial, F: final b Possibly hidden under the strong peptide signal
120
composts given in Fig. I
FE~$ LETTERS
Volume .~2, numl~r I
Aprill~l
T~b|~ i l Compo~ltioo of the ¢.mp~tcd m~l{ri;d a~ d¢l~mlnctl b~ lal~ltr~tion
or the "C,CPMA$ ~p¢~lr. Pla~,~tbl¢ a~stpnmcm or tl~< ran~¢~ ts~¢ lID: 220~160: ¢~arbe.~yl~(arbonyl 160-1 tO: most afomatt¢ ,~lr~l~:t~¢o 11 !- 60: carbohydtal¢ tl
