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Application of frass as fertilizer in organic viticulture: effects on the plant growth and on soil microarthropods ; tesi di master

MEJBRI, Zina

Tesi CIHEAM Bari 2022

Abstract

Soil fertilization is critical for achieving the high yields required to feed an ever-increasing human population. Frass, a by-product of insect farming, may have a great potential as organic biofertilizer. This study aims to evaluate the fertilizing effect of Tenebrio molitor (L.) frass on organic vineyard. A field trial was implemented to compare the effect of mealworm frass and organic fertilizer (Phenix) with the same nitrogen dose, and control (unfertilized), on soil microarthropods and plant growth. Results showed that frass application gave QBS_ar value higher than the other treatments; however, it is not significantly different.
Although not statistically significant, frass applications increased SPAD and shoots growth in general. Only one variety, Uva di Troia, demonstrated that frass significantly performed better than control and Phenix. [...]
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Documento per sola consultazione interna

Inventario 11227
Collocazione M.Sc. 1007

Documento per sola consultazione interna

Inventario 11228
Collocazione M.Sc. 1007A