| 1. | The R�o Grande region's soils are available for irrigation agriculture with limitations.
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| 2. | The water table of the latter is relatively high, making irrigation agriculture possible.
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| 3. | Scarcity of water is not a result of the over-utilization in irrigation agriculture.
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| 4. | The temples organized the mass labour projects needed for irrigation agriculture.
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| 5. | Water diversion in the Crooked River basin for irrigation agriculture began in the 19th century.
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| 6. | The people living around Narosura are Maasai, predominantly pastoral, but also practising some irrigation agriculture.
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| 7. | The statelets were characterized by a ruling class, slavery, irrigation agriculture, and emphasis on trade.
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| 8. | During this period, the Majorcans developed irrigation agriculture and constructed water sources, ditches, and channels.
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| 9. | External to the city, Sumerian irrigation agriculture created some of the first garden forms in history.
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| 10. | From seed remains it is apparent that some of the water was also used for irrigation agriculture.
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