Nanging, blabar alami puniki mavariasi, mawinan warsa-warsa yeh tegeh polih benyahin makasami tanaman, sajantosne warsa-warsa yeh endep polih nyiptaang ketuuhan sane linggah lan ngakibatin kasedukan.
However, this natural flooding varied, since high-water years could destroy the whole crop, while low-water years could create widespread drought and consequently famine.