Publisher's Synopsis
Excerpt from Surface Drainage of Flatlands
Some method of surface drainage is required for farming fiat lands, especially on soils of low permeability and where rainfall is high and intense. As the term surface drainage implies, the excess water is removed in an orderly manner by overland flow.
Ponded water on the land surface after heavy rains indicates a field with depressions and barriers that impede surface drainage and impair crop production. The uneven surface can result from many different causes. Most fiat alluvial lands have marks of ?ood fiows - sloughs, depressions, and irregular surfaces - because of unequal distribution of water-transported materials. Failure to smooth the fields after tillage to remove the marks made by farm implements is another reason for this condition. In many cases, inadequate disposition of spoil banks from ditch excavation of field outlet drains leaves barriers that cause ponding.
Research studies in Lousiana show that smooth fields produced tons of sugarcane per acre more than land that had 53 per cent of its surface ponded 2 inches or more.
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