What crops are profitable to grow on a smallholding in Lusaka Zambia?

* Tomatoes

* Onions

* Peppers

* Cabbage

* Lettuce

* Carrots

* Beans

* Peas

Fruits

* Mangoes

* Oranges

* Bananas

* Pineapples

* Guavas

* Pawpaws

* Passion fruit

Other crops

* Maize

* Groundnuts

* Soya beans

* Sunflower seeds

* Coffee

* Tea

* Tobacco