Sugarcane molasses compost doubles eggplant yields in sandy soil
El-Shaieny AAH, El Rab ANG, Farrag HM, Bakr AAEMA, El-Nahas S
Soil Health
Sandy garden beds that drain too fast and starve plants of nutrients can be transformed with molasses-based organic amendments, cutting your dependence on synthetic fertilizers while doubling what you harvest.
Researchers tested a fertilizer made from sugarcane molasses byproducts on eggplants growing in sandy soil that's normally too nutrient-poor to farm well. When they mixed this organic material with half the usual chemical nitrogen fertilizer, eggplants produced more than twice as many fruits as plants getting only chemical fertilizer. The soil also got healthier, holding more nutrients and organic matter season after season.
Key Findings
A 50/50 blend of sugarcane molasses fertilizer and mineral nitrogen more than doubled total fruit yield, from 4.18 kg to 8.84 kg per plant.
Soil available nitrogen increased by 240%, phosphorus by 209%, and organic matter by 56% compared to the unfertilized control.
Eggplant fruit quality improved significantly, with total soluble solids up 42% and anthocyanin content up 49%, while economic returns approached a 5x investment factor.
chevron_right Technical Summary
Adding a sugarcane molasses-based organic fertilizer (SOFA) alongside reduced mineral nitrogen fertilizer dramatically boosted eggplant yields and fruit quality in sandy, low-fertility soils. The best results came from a 50/50 blend, more than doubling yields and improving soil nutrients, organic matter, and economic returns for farmers.
Abstract Preview
Original paper
Integrated application of sugarcane by-product-derived organic fertilizer (SOFA) and mineral nitrogen enhances yield, fruit quality, and soil properties of eggplant (Solanum melongena L.) in sandy soil conditions.
Low soil fertility and restricted nutrient bioavailability are critical limiting factors for sustainable vegetable production, particularly in marginal sandy soils. This study addressed these chall...
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Eggplant, aubergine, brinjal, or baigan is a plant species in the nightshade family Solanaceae. Solanum melongena is grown worldwide for its edible fruit, typically used as a vegetable in cooking.