Ref1

https://books.google.com.my/books?id=DEFdDwAAQBAJ&pg=PA209&lpg=PA209&dq=Dioscorea+spp.+harvest+days+after+planting&source=bl&ots=vAcUaANEWH&sig=ACfU3U2DNw51uJE4fBpJNlWcxq168rKyhg&hl=en&sa=X&ved=2ahUKEwjinKSGqZTqAhUTeysKHXmlC84Q6AEwEnoECAkQAQ#v=onepage&q=Dioscorea%20spp.%20harvest%20days%20after%20planting&f=false