please am from nigeria and am conducting a research on winged bean, am gonna focus on the rooting behaviour and yield of winged be

Question

an as affected by sandy and sandy loam soil.pls i despirately need your assistance. rooting behavior and yield of winged bean as affected by growth media (sandy and sandy loam soil).

Answer 1

This article has information for you.
https://www.gardeningknowhow.com/edible/vegetables/beans/winged-bean-cultivation.htm