392 



Opposite plate 5. 



Slightly itEcrHvixo yams. 



T, », O ■ ■ ^°' "^ Average Weight Yield per 



^^' °' ngm plants lbs. oz. grammes acre in tons. 



38 Philippine Is. 7 7-7 3374 T.4T 



Stroxgly i!i:crRvixG yams. 



38 Philippine Is. 19 9-8 4309 9.54 



:Vl do. 1-13 822 1.82 



34 do. 10 3-lo 1786 .V.94 



