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1.抢时整地、施肥、起垄 6月15日前,麦收后抢时深耕灭茬,细耙后用犁扶堤(埂宽120～130厘米,双行三角定植)。亩用优质农家肥2000～3000公斤,碳酸氢铵25公斤,过磷酸钙50公斤条施于垄埂中间,随后清沟培堤,以利排灌。 2.早栽蘸(浸)薯尖苗,及时浇水定苗红薯尖苗富含生长激素,生长势强,扎根返苗快,结薯早。种秧应尽量选用薯尖苗(至少留三片展开叶)。插栽前,
1. Grab land preparation, fertilization, ridging Before June 15, wheat harvest after deep plowing stubble, fine rake plow embankment (埂 wide 120 ~ 130 cm, double row triangular colonization). Mu with high-quality farmyard 2000 ~ 3000 kg, ammonium bicarbonate 25 kg, 50 kg of superphosphate in the ridge ridge in the middle, and then ditch dipping embankment to facilitate irrigation and drainage. 2. Early planted dip (dip) potato spike, timely watering Dingmiao sweet potato sprout is rich in growth hormone, strong growth potential, take root quickly back to seedlings, tuber early. Seedlings should try to use potato spikelets (at least three leaves left). Before planting,