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Table 1 Rainfall amount (mm), irrigation (mm), soil moisture change and evapotranspiration for the 80, 50 and 30 % FC soil moisture content and rain fed treatments

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

Parameter Values
Week 8 Week 10 Week 12 Week 14 Week 16
80 % field capacity
 Rainfall (P) (mm) 54.2 224.2 204 242.5 297.9
 Irrigation (I) (mm) 367 484 556 664 770
 Soil moisture change (ΔS) 147 210 214 198 144
 Evapotranspiration (ET) 274.2 498.2 546 708.5 907.1
50 % field capacity
 Rainfall (P) (mm) 54.2 224.2 204 242.5 297.9
 Irrigation (I) (mm) 289 366 442 524 669
 Soil moisture change (ΔS) 121 187 203 113 105
 Evapotranspiration (ET) 222.2 403.2 443 653.5 861.9
30 % field capacity
 Rainfall (P) (mm) 54.2 224.2 204 242.5 297.9
 Irrigation (I) (mm) 211 280 310 215 456
 Soil moisture change (ΔS) 98 268 225 230 265
 Evapotranspiration (ET) 167.2 236.2 289 227.5 488.9
Rainfed
 Rainfall (P) (mm) 54.2 224.2 204 242.5 297.9
 Irrigation (I) (mm) 0 0 0 0 0
 Soil moisture change (ΔS) 33 79 85 67 113
 Evapotranspiration (ET) 21.2 145.2 119 175.5 184.9
  1. Rainfed treatment did not have supplemental irrigation and hence the zero values in the irrigation row