Table 4 The rice yield, quality indices and net economic benefit of different rice farming systems.

From: Soil bacterial community composition in rice–fish integrated farming systems with different planting years

Indicators

Rice monoculture

Rice–fish field in the 1st year

Rice–fish field in the 5th year

Rice yield (t·ha−1)

7.99 ± 0.23

6.91 ± 0.03

7.45 ± 0.29

Protein content (%)

6.86 ± 0.04

7.07 ± 0.07

6.99 ± 0.02

Amylose content (%)

8.50 ± 0.01

8.30 ± 0.06

8.34 ± 0.04

Milled rice ratio (%)

69.30 ± 0.27

75.90 ± 0.25

78.17 ± 0.22

Net economic benefit

(1000 RMB·ha−1·year−1)

20.51 ± 0.71

18.10 ± 0.10

23.23 ± 0.45

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