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甜玉米可春播也可秋播。春播,露地适播期为土温稳定通过12℃三天以上。秋播适播期在7月底至8月初。 从“一播全苗壮苗”争取季节和节省用种及提前上市等方面出发,采用育苗移栽为宜。由于甜玉米种子干瘪,幼苗顶土能力弱,因此大田直播较易导致缺苗断垄。一般幼苗长到2叶一心期
Spring corn can also be sowing sweet corn. Spring sowing, seeding sowing period for the soil temperature stable at 12 ℃ for more than three days. Autumn sow sowing period at the end of July to early August. From “a seedling strong seedlings” to fight for the season and to save the species and the market in advance and so on, the use of transplanting seedlings is appropriate. Due to the shriveled sweet corn seeds, seedlings top soil weak capacity, so Oeda more easily lead to lack of seedlings off ridge. General seedlings grow to 2 leaves a heart