Assessment of Storability and Shelflife Longevity in Selected Tomato (Solanum Lycopersicum) Cultivars Grown Under Various Fertilizers

This study investigated the assessment of storability and longevity in selected tomato cultivars grown under various fertilizers. Five popular varieties (Roma VF, Tengeru 97, Floridade, Rodade, and Money Maker) were evaluated under different fertilization treatments including cow dung, poultry manure, compost, and inorganic Compound D. The research applied a Randomized Complete Block Design (RCBD), a standard methodology for agricultural field trials (Gomez & Gomez, 1984). Results indicated significant differences in plant growth, yield, and postharvest quality, with organic fertilizers showing potential to improve shelf life and reduce postharvest losses, a finding consistent with previous research (Kumar & Sharma, 2020). Findings have practical implications for improving productivity and profitability for farmers, while ensuring better quality for consumers. Recommendations for future research and practical applications are discussed.

Tomato (Solanum lycopersicum) production is one of the most important components of Zambia?s horticultural sector and also plays a vital role in food security and income generation (Ministry of Agriculture, Zambia, 2021). Yet, the sector faces severe postharvest losses, with estimates suggesting up to 40% of total yield is lost due to poor handling and storage (Zambia National Farmers? Union, 2022; Food and Agriculture Organization, 2019). It remains a major challenge for both farmers (growers) and consumers (buyers). For growers, high perishability leads to reduced incomes, as large proportions of harvested tomatoes spoil before reaching the market (Mwale & Phiri, 2018). For buyers, the problem manifests as quality deterioration, including changes in texture, colour, and firmness, resulting in financial losses and reduced consumer satisfaction (Kader, 2002). The short shelf life of tomatoes highlights the need for identifying tomato cultivars and management practices that can improve postharvest longevity.

This study aims to identify the best-performing tomato cultivar among five popular varieties?Roma VF, Tengeru 97, Floridade, Rodade, and Money Maker?under different organic fertilization regimes, focusing on postharvest shelf life, storability, and overall fruit quality.