1989年日本福岗县的促成草莓栽培面积为492公顷,其中,利用夜冷、低温黑暗处理的已占到42％。所谓低温黑暗处理是把将要花芽分化的草莓盆栽苗置于大型低温库内,给予一定期间的低温处理,诱导花芽分化,11月初便可采摘的一种处理法。其具体做法是: 一、育苗选无病毒株系专用母株于11月中旬定植,每1000平方米施10公斤氮肥,定植800株,栽植密度为垄宽220厘米,株距40厘米,使之单向长。并注意挖好排水沟、防止积水。 Fuji County, Japan in 1989 contributed to the cultivation of strawberry area of ​​492 hectares, of which, the use of night cooling, dark temperatures accounted for 42%. The so-called low-temperature dark treatment is to put flower bud differentiation of strawberry potted seedlings placed in a large low-temperature storage, to give a certain period of low temperature treatment, induction of flower bud differentiation, early in November can pick a treatment method. The specific approach is: First, seedling selection virus-free strains of plants dedicated in mid-November planting, applying 1,000 kg of nitrogen fertilizer per 1,000 square meters, planting 800, planting density of 220 cm wide and 40 cm spacing, the single To the long. And pay attention to digging drains to prevent water.