Namibia is a semi-arid country and its soils are sandy and infertile with marked deficiencies in nitrogen

Namibia is a semi-arid country and its soils are sandy and infertile with marked deficiencies in nitrogen (N) and phosphorus (P) (McDonagh and Hillyer, 2003). In addition, the country’s hydrological conditions are characterized by low, inconsistent rainfall and high temperatures (Heyns, 1991). Its annual rainfall ranges from the average of 50 to 600 mm, and most of this rainfall is received in the northern communal areas of the county varying from the east with higher rainfall to the west with lowest rainfall.
Namibia has a diversity of vegetable crops growing in different ecological zones but only few that are believed to adapt in some areas with low rainfall. Small farmers mostly in the northern part of Namibia only produce vegetables during rainy seasons. In spite of this, the production of vegetables varies from cultivating a few plants in the backyards for home consumption up to a large-scale production (Dawit et al., 2004).
Tomato is regarded as one of most important edible and nutritional vegetable crops in the world. It ranks next to potato and sweet potato with respect to other world vegetable production. It is grown in a temperate climate. According to Gould (1992) Tomato is indigenous to Peru and Equator Region in South America which was regarded as a weed. The crop was domesticated and first cultivated in Central America. United State, China, Brazil and Nigeria were the world’s highest recorded producers of tomato in 2008 (Gould, 2010).
Tomato is an important cash-generating crop to small-scale farmers and provides employment in the production and processing industries. It is also important source of vitamin A and C as well as minerals. Farmers are interested in tomato production more than any other vegetables for its multiple harvests potential of year round production, which results in high profit per unit area (Yohannes, 2005).
Temperature range between 21 to ?27?^0C day and 10 to ?20?^0C night is favorable for plant development, and fruit set in the country. Tomato productions are widely produced in the area surrounding the Namwater canal belt Namibia and the area surrounding the maize triangle because of the availability of water.

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