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Table 5 Combined effect of sowing dates and supplemental irrigation on grain yield of common bean in the baseline, 2030s and 2050s under RCP4.5 and RCP8.5 scenarios at Chefa

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

Treatments

Baseline yield

% change

2030s

2050s

RCP 4.5

% change

RCP

8.5

% change

RCP 4.5

% change

RCP

8.5

% change

SS + RF

1894

–

1746

–

1857

–

1726

–

1947

 

SS + SI

2553

35

2657

53

2693

45

2780

61

2827

45

ES + RF

2306

22

1989

14

2118

14

2014

17

2320

19

ES + SI

3060

62

2936

68

2936

58

2940

70

3112

60

LS + RF

1479

 − 22

1497

 − 14

1607

 − 13

1630

 − 6

1633

 − 16

LS + SI

2030

7.0

2230

28

2276

23

2289

33

2333

20

LSD (P = 0.05)

251

 

289

 

268

 

267

 

274

 
  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, early and late sowing dates, respectively. RF and SI represent rainfed and supplemental irrigation, respectively