Stand under a mango tree in the Ghanaian transition zone at flowering and it is covered in panicles carrying hundreds of flowers each. A mature tree flowers by the thousand and might carry a few hundred fruit to harvest. That conversion rate decides a grower's income,...

Every harvest takes nutrients off the farm. Grain leaves in a truck, residues get burned or grazed, and almost nothing goes back. Nutrient balance studies for Ghanaian crops show a deficit for nearly all of them. Do that for twenty years around Tamale and the result...

Here is a finding that should be better known than it is. When researchers mapped the nutrient requirements of Ghana's cocoa soils against the blanket fertilizer formula recommended nationally, the formula matched only about six percent of the land actually growing...

Ghana sells pineapple into Europe on a promise most origins cannot make: fruit every week of the year. Mangoes and pineapples together carry roughly two thirds of the country's horticultural export value, and buyers in the EU and UK pay for continuity as much as for...