Radicular fertilizations vs foliar fertilizations and their impact on the chemical composition of plants on a tomato culture

Abstract

The use of fertilizers correctly involves analyzing and determining the factors that condition their effect. The doses, certain stress factors, the biological features of crops, pedo-climatic conditions, the level of agri-technics applied and, last but not least, the farming system are factors that influence the level of production. The tomatoes, especially the very productive varieties, respond differently to the doses and the range of fertilizers used. The paper presents a fertilization study, in a site belonging to a family association, located in Sorogari, Iasi County. The results obtained confirm the agronomic efficiencyof foliar fertilizations and combined root and foliar fertilization. During the experience, the chemical composition of tomato plants is clearly influenced by the combination of the two types of fertilizations, radicular and foliar. The production is maximum and is at the same quantitative level, equally in Borviso 500 and also18-46 (300 kg.ha)+Borviso 500, on differentiatedfertilized plot.