A study from the University of Évora reveals that the mixture of walnut shells and biochar can replace up to 20% of coconut fiber in substrates for lettuce, maintaining productivity and reducing nitrate concentration by 61%. #AgriculturaSustentável #InovaçãoAgroalimentar #EconomiaCircular (translated)
observador.pt
Cascas de noz podem melhorar qualidade da alface
