Soil Npk Requirements for Irish Potatoes Under Fadama Irrigation Management in Rugu Rugu Tudun Wada Local Government Area of Kano State, Nigeria
[1]
Umar I. A., Department of Geography, Faculty of Earth and Environmental Science, Kano State University of Science and Technology, Wudil, Kano State Nigeria.
[2]
Yusuf M. A., Department of Geography, Faculty of Earth and Environmental Science, Bayero University Kano, Nigeria.
[3]
Ahmed M., Department of Geography, Faculty of Earth and Environmental Science, Bayero University Kano, Nigeria.
[4]
Murtala U. Mohammed, Department of Geography, Faculty of Earth and Environmental Science, Bayero University Kano, Nigeria.
[5]
Adamu G. K., Department of Geography & Regional Planning, Faculty of Social Science, Federal University Dutsin-Ma Katsina, Nigeria.
This study targeted at NPK requirement for Irish potato cultivation under fadama irrigation management in Rugu- Rugu district, Tudun- Wada Local Government Area, Kano state. Random sampling method was used in collections of soil samples in each mapping units. Three soil mapping units were identified on the basis of moisture regime, topography and soil colour, the Recessional land (RA), the Lower fadama land (LF) and the Upper fadama land (UF) were identified in the area with the total land area of 203 Ha. These were evaluated with respect to their qualities and characteristics which are then matched with agronomic requirements for NPK using potato. The results revealed that N contents in the soils of the study area was medium to low which indicated marginal value for Irish potato, while mapping unit RA and LF are found to be in an optimum amount for the production of the crop. However, mapping unit UF require little improvement for P for optimum yield. Hence, units RA and LF are found to be moderate for K whereas unit UF is within marginal. Generally, pH in the area is generally acidic. Therefore, the study recommends for the need to supply more K carrying materials to improve the soils and also both organic and inorganic fertilizers should be incorporated in a complimentary manner.
Nitrogen, Phosphorus, Potassium, Irish Potato, Soil Mapping Unit
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