Különböző tápanyagellátási módok hatása a halványított spárga (Asparagus Officinalis L.) termesztésitechnológiai paramétereire

Absztrakt

Asparagus (Asparagus officinalis L.) as a vegetable is not so well-known to the Hungarian household, in spite of the fact that it has excellent dietary and curative effects. However, it is a well known and popular vegetable in Western- and Southern- Europe. Asparagus consumption in Hungary registers at less than 0.1 kg/person/year, while it is more than 2 kg/person/year in Switzerland, Germany and Austria. The whistles of the asparagus can be consumed in green and etiolated (blanched) forms. It contains large amount of phenolic compounds, antioxidants, saponins, minerals (manganese, magnesium, selenium, etc) as well as several vitamins (B1, B6, B9, C, E, etc) and more important substances. Asparagus cultivation occurs on 1.077 hectares in Hungary. Sandy soil is the best for its cultivation, in which the whistles may grow untrammelled. We conducted asparagus growing research at the Research Institute of Nyíregyháza, Centre for Agricultural Sciences, University of Debrecen. We applied different nutrient supplies to a 1.500 m2 plantation of asparagus whose whistles were harvested in the spring of 2013. We examined the Grolim asparagus hybrid. We applied fertilizer, manure and sheep compost manure treatments. We examined the crop, number of shoots, plant height and fold thickness. The fertilizer and compost had the greatest impact on the growth of asparagus. The manure and control had lower results on the asparagus produced.