senna siamea or ironwood cassia in pota, flores, ntt, indonesia

agroforestry background barrier beauty bokeh broad can cassia cassod cocoa coffee competitor crop cropping edge edible either environment even flora flores flower gardens herb however indonesia intercrop ironwood its johar land leaf major mining mixed must nature ntt nutrients obtaining often ornamental petal plant plantations planted planting pota potentially rehabilitate roadside roots senna shade siamea siamese sunlight systems tea this tree trees water wind yellow