Irrigation suitability of Onwu river flood plain soils in Cross River State, Nigeria

被引：0
作者：
Ogbaji, Peter Oko [1 ]
Li, Jianmin [1 ]
Antigha, Nse Robert Bassey [2 ]
Akpan-Idiok, Ackley Ufot [2 ]
Shahrajabian, Mohamad Hesam [1 ]
机构：
[1] China Agr Univ, Coll Agr & Biotechnol, Beijing 100194, Peoples R China
[2] Univ Calabar, Fac Agr, Dept Soil Sci, Calabar, Nigeria
来源：
JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT | 2013年 / 11卷 / 02期
关键词：
Irrigation; Onwu river; floodplain; Nigeria; SEMIARID REGION; MAIZE HYBRIDS; WATER-USE; PRODUCTIVITY; EFFICIENCY;
D O I：
暂无
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Irrigation suitability of Onwu River flood plain soils was studied at Akraba-Itekpa in Yala Local Government Area of Cross River State, Nigeria. The study was undertaken in order to determine the suitability of the flood plain to paddy-rice production under surface irrigation. Two soil mapping units, AK I and AK II, were identified. The first one covered about 112 hectares and the other 370 hectares. These areas were gently undulating to nearly level in the flood plain. A total of five representative soil profile pits were dug in the study area with two in AK I and three in AK II soil units. Infiltration measurements were carried out 10 m away from each profit pit. The equilibrium infiltration rate of 5.0 and 3.0 cm h(-1) was obtained from the surface soils of AK I soil unit with a mean value of 4.0 +/- 0.99 cm h(-1). For the AK II soil unit, the rates were 2, 4.2 and 3.0 cm h(-1) with a mean value of 3.1 +/- 3.2 cm h(-1). The soils were suitable for paddy rice cultivation under surface irrigation.
引用
收藏
页码：999 / 1003
页数：5
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