[Fertilization of strawberries cultivated in plastic bags, peat or rockwool substrates]

blattanalyse calcio calcium cultivo protegido cultural methods culture media culture sous abri fertigation fertilisation fertilizer application fragaria fraise fresa irrigation fertilisante laine de roche lana mineral magnesio magnesium medio de cultivo milieu de culture mineralstoffgehalt mode de culture peat perlita perlite protected cultivation rendement rendimiento rockwool strawberries tourbe turba yields