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Table 4 Total biomass and harvest index of 4 rice cultivars grown under 3 N treatments at 5 locations in 2012 and 2013. Data are averaged across 3 N treatments

From: Potential Yield Increase of Hybrid Rice at Five Locations in Southern China

Cultivar

2012

2013

Total biomass (g m−2)

Harvest index (%)

Total biomass (g m−2)

Harvest index (%)

Huaiji

 Liangyoupeijiu

1051.3

50.1

1190.4

48.1

 Y-liangyou 1

1048.5

52.9

1305.8

47.4

 Yuxiangyouzhan

981.0

50.2

1103.8

49.9

 Huanghuazhan

977.9

52.2

1130.6

51.4

 Mean

1014.7 d

51.3 c

1182.7 c

49.2 d

 LSD (0.05)

66.2

1.34

109.3

2.1

Binyang

 Liangyoupeijiu

1258.8

47.6

1344.4

52.3

 Y-liangyou 1

1227.3

42.7

1275.4

51.4

 Yuxiangyouzhan

1180.4

45.1

1158.8

53.3

 Huanghuazhan

1190.4

47.9

1098.8

52.5

 Mean

1214.2 c

45.8 d

1219.4 c

52.4 bc

 LSD (0.05)

60.4

1.6

57.1

1.5

Haikou

 Liangyoupeijiu

1366.7

54.7

1186.0

51.3

 Y-liangyou 1

1304.3

54.5

1199.9

50.7

 Yuxiangyouzhan

1333.7

55.0

1135.5

51.8

 Huanghuazhan

1302.2

53.4

1178.0

52.6

 Mean

1326.7 c

54.4 b

1174.9 c

51.6 c

 LSD (0.05)

47.1

0.9

57.4

1.7

Changsha

 Liangyoupeijiu

1884.1

50.8

1910.4

53.8

 Y-liangyou 1

1909.0

52.3

1857.4

55.7

 Yuxiangyouzhan

1738.8

53.2

1742.4

50.2

 Huanghuazhan

1729.0

50.5

1756.6

51.8

 Mean

1815.2 b

51.7 c

1816.7 b

52.9 b

 LSD (0.05)

74.4

1.1

94.0

1.6

Xingyi

 Liangyoupeijiu

2061.0

55.3

2060.0

56.8

 Y-liangyou 1

2104.7

57.2

2084.5

58.4

 Yuxiangyouzhan

1957.1

55.5

1908.8

56.6

 Huanghuazhan

2048.0

55.3

1881.5

58.0

 Mean

2042.7 a

55.8 a

1983.7 a

57.4 a

 LSD (0.05)

85.8

1.3

141.4

1.8

  1. Within the column for each location, means followed by the same letters are not significantly different according to LSD at P = 0.05
  2. LSD values are for the comparison of cultivars for each parameter at each location