Saving the labor of fruit-picking and carriage at slope orchard of satsuma mandarin

agrume alimentos citrus fruits cosecha crops cueillette cultivos economic plants facteur de production foods fruit crops fruits frutales frutas harvesting huerto frutal labour land methode methods orchards physiographic features picking plantas plante plante de culture plants production factors productos productos de origen vegetal products produit produit alimentaire satsuma satsumas sloping land tangerina tangerine tangerines terre terre en pente terreno en declive tierras trabajo transport transporte travail vegetable products verger