Between Mountains and Plain
Choga Mami lies near Mandali, close to the present Iraq–Iran border. Water from the Zagros enters alluvial fans and plains here, and the nearby Gangir River provided an important supply. In this limited-rainfall environment, harvests depended on rainfall, river flow and seasonal change.
Excavations in 1967–1968 exposed Samarran occupation deposits and collected charred plants. Building horizons, water-channel sections and crop remains allowed researchers to examine early farming within the local landscape.
Water at the Right Season
Cereals grew in winter and early spring, while spring floods from the mountains could arrive too late. Tony Wilkinson’s study describes channels running on a gentle gradient, roughly parallel to the mountain front, allowing river water to supplement crop needs during the growing season.
Channel gradients changed flow speed and the locations where sediment accumulated. Water diversion therefore involved selecting routes across the terrain: where water entered, how it travelled and how it reached lower fields. Rising spring floods could in turn threaten canals and crops, making seasonal timing part of water use.
References: [2]
Crops Alongside Gathered Foods
Charred materials studied by Hans Helbaek included wheat, barley, lentils and flax, together with gathered wild plants. Cultivation supplied food while residents continued to use plant resources beyond their fields and around wetter locations.
Helbaek compared crop-water requirements with the area’s limited rainfall to investigate irrigation. Lentils, flax and cereals had different growing requirements. Farmers managed a varied subsistence system involving sowing, supplementary watering and harvesting, rather than a field devoted to a single crop.
References: [1]
Water Management as Village Work
Channels survive within the settlement deposits, while plant remains reveal another side of land use. Together, they show that farmers linked cultivation with water diversion and changed flow routes to meet crop needs.
Beginning with nearby sources and village fields, this practice brought supplementary moisture into everyday production. It also involved clearing channels, maintaining water routes and tending crops. At Choga Mami, the history of early irrigation takes the form of practical arrangements involving water, land and growing seasons.