Ensayo de elaboración y aplicación de compost biodinámico con adición de arcilla y basalto. 

Autores: Fabeiro, C. y otros (Grupo Intercomunitario Ibérico Con Respeto)
Palabras Clave: Compost biodinámico, arcilla, basalto, Triticum

Conferencia de Investigación Biodinámica, Sección de Agricultura, Goetheanum, Dornach, Suiza.

Septiembre 2018

Presentación en Poster

The use of biodynamic compost has demonstrated its efficiency in terms of biodiversity, soil fertility, yield and quality of production, as well as in energy input (Mäder et al., 2002). In this trial, we tested if it could even be improved with the addition of other inorganic components, in a small proportion, such as clay and basalt (Florin, 2006; De Almeida et al., 2007).
A trial was established at the Las Encebras farm (Pozocañada, Albacete, Spain) to evaluate the benefits of the addition of basalt and clay in different doses (2, 4, and 10%) during the production of biodynamic compost with cow manure and the 502 to 506 preparations. Six piles were established that corresponded to the 6 treatments tested, including a control. The compost analyzes shown that the addition of clay in higher doses, as well as the combination with basalt, generates a more mature compost, with greater cation exchange capacity and higher content of phosphorus and potassium.

 

Once the compost was elaborated, it was applied differentially in a double plot that had had two precedents, beans and sunflower, and on which a Khorasan variety wheat crop (Triticum turgidum L. ssp Turanicum (Jakubz.)) was established. In the test field, 36 elementary plots were marked, corresponding to 2 precedents * 6 treatments * 3 repetitions of each of them. The effect of the diverse types of compost was evaluated in the wheat harvest, assessing yield and yield components. Some conclusions after ANOVA analysis are: Compost with basalt produces higher biomass and higher yield (both by number of grains and by weight of grains). The compost with basalt and clay, which contained more phosphorus and potassium, produces a greater proportion of grain compared to the total. (Few spikes, little straw and normal grain). Compost with 4% clay presents the worst grain yield.