Molecular Characterization of Phosphorus in Typical Crop Residues

Hong-juan XIN; Dong-ling YANG; Chao-qun HAN; Xue-qi GU; Jian-jun YANG; Jin LIU; Yuan-quan CHEN; Peng SUI

doi:10.3964/j.issn.1000-0593(2022)07-2304-05

Spectroscopy and Spectral Analysis, Volume. 42, Issue 7, 2304(2022)

Molecular Characterization of Phosphorus in Typical Crop Residues

Hong-juan XIN^1、*, Dong-ling YANG^1、1;, Chao-qun HAN^1、1;, Xue-qi GU^1、1;, Jian-jun YANG^2、2;, Jin LIU^{1、1; *;}, Yuan-quan CHEN^1、1;, and Peng SUI^1、1;

Author Affiliations

¹1. College of Agronomy and Biotechnology, China Agricultural University, Beijing 100094, China

²2. Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China

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Figures & Tables(4)

Fig. 1. Solution ³¹P-NMR spectra of the studied crop residues

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Fig. 2. Solution P-NMR spectra showing the assignment of peaks in the orthophosphate monoester region, including spiking experiments

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Table 1. Total phosphorus in the studied crop residues (g·kg^-1)^a

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Table 1. Total phosphorus in the studied crop residues (g·kg^-1)^a

	玉米	小麦	水稻	大豆	花生	棉花
茎叶	1.72±0.01 b	0.48±0.02 d	1.64±0.07 b	2.52±0.07 a	1.49±0.02 c	2.58±0.02 a
谷壳	-	2.23±0.06 d	2.44±0.07 c	3.85±0.02 a	1.72±0.08 e	3.47±0.00 b
种子	2.75±0.16 d	7.75±0.82 a	3.06±0.10 d	6.50±0.10 b	4.45±0.07 c	-

Table 2. Phosphorus forms in NaOH-EDTA extraction in the studied crop residues (%)

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Table 2. Phosphorus forms in NaOH-EDTA extraction in the studied crop residues (%)

样品	前提取回收率	无机磷^a			有机磷^b
		Orth	Pyro	TriP	正磷酸单酯					正磷酸二酯		校正后的正磷酸单酯	校正后的正磷酸二酯
		Orth	Pyro	TriP	Phyt	α-Gl	β-Gl	AMP	Mon2	DNA	OthD	校正后的正磷酸单酯	校正后的正磷酸二酯
茎叶
玉米	111	71.7	0	2.2	4.5	4.5	6.7	3.7	4.5	1.5	0.7	9	17.1
小麦	91	69.1	1.5	0	8.8	7.3	7.3	2.2	2.2	0.8	0.8	11	18.4
水稻	104	68.4	0.8	0	7.7	6.2	6.9	4.6	3.8	0.8	0.8	11.5	19.3
大豆	100	62.3	0	2.3	7.5	9.0	9.0	4.5	3.8	0.8	0.8	11.3	24.1
花生	84	49.3	0	3.7	6.0	11.9	11.2	6.7	7.5	2.2	1.5	13.5	33.5
棉花	113	64.5	0	0.8	6.3	8.7	8.7	3.9	4.7	1.6	0.8	11	23.7
谷壳
小麦	128	64.3	3.7	0	17.2	2.2	3.0	1.5	6.0	0.7	1.4	23.2	8.8
水稻	85	65.0	0.7	0	7.5	5.2	8.2	6.0	5.2	1.5	0.7	12.7	21.6
大豆	115	72.1	1.5	0	9.0	3.8	5.3	4.5	3.0	0.8	0	12	14.4
花生	73	68.0	0.7	0	6.7	6.7	7.5	3.7	6.0	0.7	0	12.7	18.6
棉花	106	64.2	2.4	0	4.0	6.3	9.5	5.6	4.8	1.6	1.6	8.8	24.6
种子
玉米	139	6.7	0	0	82.9	3.7	3.7	3.0	0	0	0	82.9	10.4
小麦	128	32.6	4.5	0	48.5	2.3	1.5	1.5	9.1	0	0	57.6	5.3
水稻	82	3.8	0	0	80.8	4.6	6.2	4.6	0	0	0	80.8	15.4
大豆	111	8.5	0	0	73.8	5.4	7.7	4.6	0	0	0	73.8	17.7
花生	111	14.7	0	0	74.4	3.1	3.1	4.7	0	0	0	74.4	10.9

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Hong-juan XIN, Dong-ling YANG, Chao-qun HAN, Xue-qi GU, Jian-jun YANG, Jin LIU, Yuan-quan CHEN, Peng SUI. Molecular Characterization of Phosphorus in Typical Crop Residues[J]. Spectroscopy and Spectral Analysis, 2022, 42(7): 2304

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