Abstract
Numerous weeds, including Yellow Creeping Daisy (Wedelia trilobata) are sources for compost. Compost efficacy is dependent on several factors, including the source of organic matter, the dosage, the application method, and the period of the application. The purpose of this study was to compare tomato (Lycopersicum esculentum, Mill) growth and yield at various Yellow Creeping Daisy (YCD) compost doses and application times. The experiment employed a completely randomized design (CRD) with a factorial arrangement consisting of two factors. The treatment combinations were repeated three times. The first factor was the timing of compost application, which were two and one weeks prior to planting, and on planting day. The second factor was the dosage of compost, which was 0, 10, 20, or 30 tons/Ha. Application of YCD compost 1-2 weeks before tomato planting provided greater yield than at planting, as indicated by number of fruit, fruit diameter, and fruit weight per plant. Higher dose of YCD compost application increased the yield of tomato. Application of the compost 2 weeks before planting at 30 tons/ha resulted in the highest yield of tomato.
Highlights
Tomatoes (Lycopersicum esculentum Mill) are horticultural crop suitably grown in tropical and sub-tropical climates and on various soil orders, including Andosols, Entosols, Ultisols, and Vertisols
The first factor was the time of compost application, i.e., two weeks before planting (WBP), one WBP, and at the planting date
The second factor was the dosage of Yellow Creeping Daisy (YCD) compost consisting of 0, 10, 20, and 30 tons/ha
Summary
Tomatoes (Lycopersicum esculentum Mill) are horticultural crop suitably grown in tropical and sub-tropical climates and on various soil orders, including Andosols, Entosols, Ultisols, and Vertisols. Most soils in Bengkulu Province, Indonesia, are classified as Ultisols. According to [1], the main obstacle of Ultisols is its low soil pH and high exchangeable Al, leading to phosphate fixation. Low content of nitrogen in the soil is associated with a very intensive leaching process at humid tropical climate, resulting in low soil fertility. It is necessary to increase the productivity of Ultisols, among others, through soil improvement (amelioration), fertilization, and the addition of organic matter
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