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. 2014 Aug 14;2014:437283. doi: 10.1155/2014/437283

Table 4.

Effect of tillage practice on root mass density of wheat and rice.

Treatments	Root mass density (mg cm⁻³)
	Wheat				Rice
	0–15 cm	15–30 cm	30–45 cm	Total	0–15 cm	15–30 cm	30–45 cm	Total
ZT	9.99	1.98^c	0.87^b	12.84	5.40^a	0.98^b	0.49^b	6.87
MT	9.92	2.26^b	0.93^b	13.11	4.90^b	1.26^b	0.63^b	6.79
CT	8.72	2.87^ab	1.21^b	12.80	4.75^b	1.87^a	0.81^a	7.43
DT	7.21	2.96^a	1.54^a	11.71	4.64^b	1.96^a	0.94^a	7.54
SE (±)	0.89	0.19	0.07	—	0.09	0.18	0.06	—

Figures in a column having common letter(s) do not differ significantly at 5% level of DMRT.

ZT: zero tillage, MT: minimum tillage, CT: conventional tillage, and DT: deep tillage.