Ukusetshenziswa kwama-polymers okugcina amanzi nezinzwa kunciphisa ukusetshenziswa kokunisela ngo-30% nama-fertilizer ngo-25%
UNgqongqoshe Wezolimo Esifundeni SaseMurcia, u-Antonio Luengo, uvakashele i-'El Mirador 'Isikhungo Sokukhombisa Nezolimo ngoMsombuluko, lapho ...