前言日本栽培葡萄,在十九世纪七十年代到二十世纪五十年代是按每10公亩(1.5市亩)100株左右栽植的,但以后采取间伐的办法,改为稀植。岸氏等主张,中等肥沃土地每10公亩栽植株数:甲州4株,底拉洼12株,康拜尔18株,新玫瑰6株。近年来受到蜜柑密植的影响,葡萄栽培也有为了早期丰产而实行密植栽培的。 Preface Japanese cultivated grapes were planted around 100 plants per 10 mu (1.5 mu) from the 1870s to the 1950s, but thinning was later adopted instead of thinning. Kishi et al. Argue that the number of plants planted per 10 hectares of moderately fertile land is 4 for Koshu, 12 for Labura, 18 for Kangbel and 6 for the new rose. In recent years, by the close influence of Satsuma, viticulture also have to close planting for the early planting and planting.