Hiii this is a work produce by my mentor and published on 6th of september 2018 on newdpapers and many blogs in Nigeria. You can find this work on punch, guardian, nnu and other sites. I posted this work because of it usefulness and to assist people who intend to carryout similar research work. That is why i cited the author of the work. I am a botanist and i am current doing a research to bring out fact on the said topic.
I will delete this post if it is against the steemit rules. I am also a new member and i am here mainly because i believed that i have much to learn here. Thanks