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Table 4 Combined effect of sowing dates and supplemental irrigation on grain yield of common bean under the projected climate changes as compared to baseline yield at Sirinka

From: Future climate change impacts on common bean (Phaseolus vulgaris L.) phenology and yield with crop management options in Amhara Region, Ethiopia

Treatments Grain yield (Baseline) % change (2030s) 2050s
RCP 4.5 % change RCP8.5 % change RCP 4.5 % change RCP8.5 % change
SS + RF 1571 1523 1745 1723 1914  
SS + SI 2416 54 2475 63 2590 48 2576 50 2666 39
ES + RF 1995 27 1794 18 2131 22 2003 16 2254 18
ES + SI 2964 89 2712 78 2853 63 2749 60 2906 52
LS + RF 1192  − 24 1264  − 17 1398  − 20 1407  − 18 1534  − 20
LS + SI 1836 17 2026 33 2106 21 2111 23 2142 12
LSD (P = 0.05) 278   260   267   267   240  
  1. LSD: Least significant difference at 5% probability level: % Change: Percent change in grain yield with reference to the grain yield of the standard sowing date under rainfed. SS, ES and LS stand for standard sowing date, early sowing date and late sowing dates, respectively. RF and SI stands for rainfed and supplemental irrigation, respectively