Online Reporter
By Engineer Tapuwa Justice Mashangwa
A new year has just begun and with it have come the rains that in some areas were adequate and in others too much. According to communique by the Zimbabwe National Water Authority (ZINWA) statistics, as of 14 January 2026, the national dam level average had risen to 85.6 percent compared to 63.8 percent recorded during the same week last year.
Such an improvement should be correspondingly followed by advantageous and optimum water utilisation. During this month the best projects one can do are annual flowers, fish ponds, cabbage and watermelon.
These diversified farming systems that combine horticulture, aquaculture and sound project management are increasingly important in building resilience against climate variability and market shocks. As we explore their development, that is, their planting or commencement, project management, phytosanitary and veterinary maintenance, harvesting and marketing the farmer will be more conversant with the intricacies of each agricultural system.
Successful agricultural projects begin with proper planning. Farmers must assess land availability, soil type, water access and market demand before production. A simple project plan should include objectives, budgets, timelines, labour requirements and expected returns. Record-keeping is essential for tracking costs, yields and profitability. In Zimbabwe, coordination with extension officers and local agricultural institutions improves access to technical advice, inputs and disease management strategies.
When it comes to annual flowers such as marigolds, petunias and zinnias, they are increasingly grown for landscaping, ceremonies and urban markets. Planting starts with land preparation, including fine tilling, formation and incorporation of organic manure. Seeds are sown directly or raised in nurseries before transplanting. Adequate spacing ensures healthy growth and good flower quality.
Phytosanitary maintenance is critical in flower production against common pests is necessary. These pests include aphids, thrips and caterpillars, while fungal diseases such as powdery mildew can reduce quality. Integrated Pest Management (IPM) practices are encouraged, combining field hygiene, resistant varieties and selective pesticide use. Regular scouting helps detect problems early.
Flowers should be harvested at the correct maturity stage, usually early in the morning to preserve freshness. Proper handling, grading and packaging enhance market value. Marketing channels include local florists, event planners, municipalities and roadside sales. Attractive presentation and consistent supply are key to maintaining customers.
Fish need water thus the plenty rains have been a blessing. Aquaculture is gaining importance as a protein source and income generator. Fish pond construction begins with site selection, preferably on gently sloping land with reliable water supply. Ponds are excavated, compacted and fitted with inlet and outlet structures to control water flow. Clay soils are ideal for reducing seepage.
After construction, ponds are fertilised organically to stimulate plankton growth before stocking fingerlings, commonly tilapia in Zimbabwe. Stocking density depends on pond size and management intensity. Regular feeding using commercial or locally formulated feeds supports rapid growth.
Phytosanitary management in fish farming focuses on water quality control, disease prevention and biosecurity. Overstocking, poor water exchange and contaminated equipment can cause disease outbreaks. Farmers should monitor water colour, oxygen levels and fish behaviour. Dead fish must be removed promptly.
Harvesting is done partially or fully, depending on market demand. Fish are sold fresh at farm gate, local markets, restaurants or cooperatives. Value addition through smoking, canning or drying increases shelf life and profitability.
Cabbage is one of Zimbabwe’s most popular vegetable crops due to favourable pricing, high demand and adaptability. Production begins with nursery establishment using sterilised seedbeds or trays. Seedlings are transplanted after 4–6 weeks onto well-prepared land enriched with manure or basal fertiliser.
Phytosanitary maintenance is crucial as cabbage is prone to pests such as diamondback moth, aphids and cutworms, as well as diseases like black rot. Crop rotation, proper spacing and timely pesticide application help manage these challenges. Weed control improves airflow and reduces pest habitat.
Cabbage is harvested when heads are firm and fully developed. Over-mature heads may crack and lose market value. Harvested cabbages are trimmed, graded and transported carefully to avoid damage. Markets include urban vegetable markets, supermarkets, institutions and informal traders.
Watermelon is a high-value crop well suited to Zimbabwe’s warm climate. Planting is done directly in the field after soil preparation and application of organic matter. Proper spacing allows vines to spread and fruits to develop uniformly. Irrigation is essential, especially during flowering and fruit development.
Phytosanitary challenges include fruit flies, aphids and fungal diseases such as powdery mildew. Field sanitation, use of clean seed and timely spraying are important. Mulching helps conserve moisture and reduces disease pressure.
Harvesting is done when fruits reach full maturity, indicated by a dull sound when tapped, yellowing of the underside and drying of tendrils. Gentle handling prevents bruising. Watermelons are marketed at roadside stalls, urban markets and through bulk buyers. Timing production to peak demand seasons improves prices.
Integrated or specialised production of annual flowers, fish, cabbage and watermelon offers Zimbabwean farmers diversified income streams and improved food security. With sound project management, effective phytosanitary practices and strong market linkages, these enterprises can be highly profitable. Sustainable farming approaches and continuous skills development remain essential for long-term success.
Carpe annum 2026. Our year!
Tapuwa Justice Mashangwa is GCEO Emerald Investments, CEO DataFarm, CEO Emerald Agribusiness and CEO TranslateZW. He can be contacted on +263771641714 and email: [email protected] or [email protected].
