石墨烯添加对干旱区牧草生长及土壤养分的影响

牧仁, 乔俊, 徐光甫, 韩进夫, 俞潇, 孔垂玖, 李新乐

The effect of graphene addition on the growth of different types of grass and soil nutrients in arid areas

Ren Mu, Jun Qiao, Guangfu Xu, Jingfu Han, Xiao Yu, Chuijiu Kong, Xinle Li

表4 石墨烯添加对牧草土壤养分的影响

Table 4 Effects of graphene addition on forage soil nutrients

品种	处理	有机质 /(g·kg^-1)	全氮 /(g·kg^-1)	全磷 /(g·kg^-1)	全钾 /(g·kg^-1)	碱解氮 /(mg·kg^-1)	有效磷 /(mg·kg^-1)	速效钾 /(mg·kg^-1)
沙打旺	C₀	101.45±3.46^a	3.32±0.03^a	0.77±0.03^a	13.26±0.64^a	389.62±39.09^b	62.38±4.55^a	1 822.50±72.17^ab
	C₁	98.99±1.28^a	3.02±0.15^b	0.60±0.01^b	13.12±1.30^a	421.61±5.47^b	54.88±0.51^ab	1 585.78±41.86^bc
	C₂	103.22±2.92^a	3.28±0.10^ab	0.80±0.02^a	14.59±0.87^a	372.38±12.89^b	60.13±4.84^ab	1 470.35±59.18^c
	C₃	90.51±2.52^b	3.27±0.06^ab	0.66±0.09^ab	14.17±1.83^a	539.14±11.70^a	50.50±1.30^b	1 985.68±165.99^a
	C₄	95.01±5.01^ab	3.21±0.10^ab	0.76±0.05^a	15.07±0.57^a	594.40±32.66^a	49.57±2.17^b	2 095.77±27.42^a
老芒麦	C₀	98.35±2.45^bc	3.03±0.14^b	0.66±0.10^b	15.67±0.54^a	356.16±7.41^b	46.13±0.79^b	2 498.75±517.45^a
	C₁	86.02±6.09^c	2.56±0.10^c	0.67±0.02^ab	14.85±0.71^a	261.45±10.86^c	46.50±1.01^b	1 707.59±11.55^ab
	C₂	89.39±0.60^c	2.85±0.25^bc	0.67±0.01^ab	12.03±0.18^b	284.07±8.69^bc	45.75±0.89^b	1 340.61±24.54^b
	C₃	111.46±8.07^ab	2.95±0.02^bc	0.82±0.18^a	14.22±0.33^a	484.43±5.19^a	44.79±0.14^b	1 825.87±151.55^ab
	C₄	120.49±3.46^a	3.57±0.29^a	0.71±0.08^ab	14.95±0.25^a	569.87±60.93^a	51.63±0.36^a	2 441.25±186.92^a
披碱草	C₀	105.22±6.42^a	3.16±0.05^a	0.62±0.01^c	13.09±0.43^b	494.68±87.40^bc	42.13±1.23^c	1 647.50±51.96^b
	C₁	92.51±2.39^a	3.06±0.01^a	0.65±0.03^bc	13.11±0.26^b	338.73±5.20^c	50.38±0.51^a	1 635.35±90.93^b
	C₂	104.64±6.33^a	3.33±0.39^a	0.80±0.11^a	12.61±0.30^b	353.54±9.15^c	47.63±1.08^ab	1 547.37±118.36^b
	C₃	92.17±4.09^a	3.51±0.30^a	0.67±0.02^b	15.72±0.20^a	609.02±96.49^ab	45.00±1.88^bc	1 987.50±51.96^a
	C₄	102.80±4.13^a	3.65±0.06^a	0.64±0.01^bc	16.16±0.17^a	733.96±14.24^a	44.63±2.38^bc	2 161.25±73.75^a