The trees are planted on irrigated soil and the fruit gathered between November and August.
Of the total irrigated area for rice of 387,580 acres in 1902, 310,670 acres were in the parishes of Calcasieu, Acadia and Vermilion.
In 1902 nearly one-eighth of the acreage irrigated was by systems supplied from wells.
The soil of the sierra valleys is fertile, and when it is irrigated forage and cereal crops may be grown in abundance.
Two-thirds of the population are dependent entirely on cultivation for their support, and this is mainly rice on irrigated land.