Table 1: Mean*  % N fixation, above-ground biomass (AGB), below-ground biomass (BGB), and seed weight in chickpeas ( 𝑛 = 4 0 except for seeds 𝑛 = 2 0 ).

VarietyN fixed (%) AGB (dry mg plant−1)BGB (dry mg plant−1)Seed weight (mg)

Sierra (K)a 86.7a 283a 319bc 568
Troy (K) 85.3ab 264a 374ab 604
Almaz (K)85.2ab 255ab 386a 496
Arman (K) 83.2b 228bc 357ab 396
Hashem (K) 82.9b 200c 296cd 282
Myles (D) 76.6c154d 271d 164
P values <0.0001 <0.0001 <0.0001

Contrast
 US varieties 82.9 234 321
 Middle Eastern 83.8 228 346
𝑃 value0.1280.4120.007

*Letters that are the same within a column are not significantly different at 𝑃 0 . 0 5 .
aK: Kabuli type seed; D: Desi type seed.