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Table 3 Mean tiller number, tiller length (cm), shoot length, plant density and leaves per tiller of six grass species at 80, 50 and 30 % FC soil moisture content at week 12 phenological stage

From: Irrigation levels affects biomass yields and morphometric characteristics of range grasses in arid rangelands of Kenya

  CR ES EM CC CG SB
Tiller numbers
 80 % FC 11.1b ± 2.3 19.3b ± 4.7 16.2b ± 2.3 28.0b ± 6.4 21.1b ± 11.1 31.0b ± 16.1
 50 % FC 10.8b ± 3.3 14.3b ± 5.8 14.1ab ± 3.3 22.0ab ± 11.4 18.1ab ± 9.1 29.0b ± 6.1
 30 % FC 12.3ab ± 6.3 18.3b ± 7.1 12.1ab ± 2.4 20.0ab ± 8.4 16.3ab ± 9.4 31.2b ± 11.1
 Rainfed 3.3a ± 1.3 3.1a ± 1.1 4.1a ± 2.3 4.7a ± 2.4 4.3a ± 1.2 5.2a ± 2.1
Tiller length
 80 % FC 98.9c ± 23.1 111.9c ± 54.8 89.7c ± 13.8 76.8ab ± 12.7 114.8b ± 21.9 119.6b ± 67.9
 50 % FC 57.9b ± 21.4 99.7b ± 47.3 74.3b ± 32.5 96.5b ± 44.2 102.8b ± 54.3 128.6b ± 57.1
 30 % FC 64.6b ± 31.3 97.9b ± 41.1 77.7b ± 33.3 100.8e ± 56.8 109.8b ± 51.3 143.3c ± 54.7
 Rainfed 24.6a ± 11.2 33.1a ± 21.6 41.3a ± 11.3 33.2a ± 18.1 43.3a ± 19.5 52.4a ± 24.3
Leaves/tiller
 80 % FC 4.4a ± 2.1 6.9a ± 2.1 5.1a ± 2.1 7.8b ± 2.8 8.1a ± 3.1 6.9a ± 2.2
 50 % FC 4.4a ± 2.1 6.9a ± 2.1 5.2a ± 2.1 8.6b ± 2.8 8.5a ± 2.1 4.8a ± 2.1
 30 % FC 3.4a ± 1.1 7.1a ± 4.1 6.2a ± 3.3 9.2b ± 3.8 8.1a ± 3.2 6.1a ± 2.2
 Rainfed 3.5a ± 2.1 4.1a ± 2.1 4.2a ± 2.2 4.6a ± 2.8 5.2a ± 2.2 5.1a ± 2.5
Plant density (plant m−2)
 80 % FC 21.2b 24.4ab 32.4b 27.6a 27.6b 32.8b
 50 % FC 20.8b 20.4ab 31.6b 25.2a 28.4b 34.8b
 30 % FC 22.0b 26.8ab 29.2ab 26.0a 28.8b 30.0b
 Rainfed 18.0a 19.0a 17.2a 22.0a 20.9a 23.3a
  1. Means within the same columns with different superscripts are significantly different at p < 0.05
  2. CR C. roxburghiana, ES E. superba, EM E. macrostachyus, CC C. ciliaris, CG C. gayana, SB S. sudanense, FC field capacity, ± standard deviation