Yam variety

Jute sack

Polypropylene sheet

Straw

Control

Pona

0.054 ± 0.014^a

0.063 ± 0.027^a

0.033 ± 0.011^ab

0.057 ± 0.024^a

Lariboko

0.098 ± 0.042^a

0.054 ± 0.019^a

0.066 ± 0.018^bc

0.170 ± 0.036^b

Dente

0.033 ± 0.008^a

0.049 ± 0.016^a

0.107 ± 0.027^c

0.029 ± 0.010^a

Mutwumudoo

0.044 ± 0.011^a

0.216 ± 0.048^b

0.050 ± 0.013^ab

0.040 ± 0.010^a

Serwah

0.025 ± 0.006^a

0.028 ± 0.011^a

0.028 ± 0.009^ab

0.035 ± 0.008^a

Matches

0.033 ± 0.009^a

0.049 ± 0.012^a

0.018 ± 0.006^a

0.022 ± 0.007^a

Akaba

0.041 ± 0.010^a

0.024 ± 0.006^a

0.025 ± 0.006^ab

0.031 ± 0.007^a