CARACTÉRISATION QUALITATIVE D’UN DIGESTAT AVICOLE LIQUIDE ISSU DE LA BIOMÉTHANISATION INDUSTRIELLE ET VALORISATION EN FERTIGATION DES PLANTS DE TOMATE
The present investigation is devoted to both direct and indirect assessment (chemical behavior) (vegetative behavior of tomato plants) of juices poultry process called JPA (used for fertigation above ground) obtained by diluting of liquid digestate from a facility industrial Biomethanisation of poultry droppings, built in Tunisia. The Chemical parameters monitored relate to pH, Electrical Conductivity (EC) and the Suspended Solids (SS) of concentrate JPA and four JPA diluted. As agronomic parameters studied, height growth and wilting tomato plants have been identified as including various dates for the control plants sprayed with water (No Fertigation) and for plants watered with four JPA diluted considered (With Fertigation).
Diluted JPA unveiled powers fertilizer diluted to one particularly interesting report (1/150). Statistical analysis showed that there is no significant difference between the growth in height of tomato plants irrigated with water (control) or to which we apply a fertigation using diluted JPA. However, the results are preliminary and they deserve to be treated with caution, because of some vegetative anomalies in the case of irrigated with JPA more concentrated plants.
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