Method for planting triple-cropping sweet corn
A planting method and sweet corn technology, applied in the fields of botanical equipment and methods, fertilization methods, plant protection, etc., can solve problems such as flooding of diseases and insect pests, serious soil compaction, etc., and achieve the effects of strong seedlings, high germination rate, and alleviation of continuous cropping obstacles.
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Embodiment 1
[0030] A method for planting sweet corn harvested three times a year, comprising the following steps:
[0031] (1) At the end of February every year, select the seeds of super sweet corn, first soak the seeds in warm water at 28°C for one night, and sow the slightly budding seeds in the seedling trays equipped with seedling substrates on the second day, and tidy the seedling trays After arranging, build a small shed above it, cover it with a plastic film to keep warm, control the temperature between 24-28°C, and cultivate for 18 days;
[0032] (2) In mid-March, when the corn seedlings grow to 3-4 true leaves, prepare the field, plow 30-40cm deep, plow the green manure on the field deep into the soil and apply 110kg / mu of base fertilizer, and use large and small row cultivation , with a large row spacing of 90cm, a small row spacing of 60cm, and a plant spacing of 30cm; 4 days before transplanting, spray the corn seedlings with a 1000-fold dilution of 10% imidacloprid to kill i...
Embodiment 2
[0048] A method for planting sweet corn harvested three times a year, comprising the following steps:
[0049] (1) At the end of February every year, select the seeds of super sweet corn, first soak the seeds in warm water at 25°C for one night, and sow the slightly budding seeds in the seedling trays equipped with seedling substrates the next day, and tidy the seedling trays After arranging, build a small shed above it, cover it with a plastic film to keep warm, control the temperature between 24-28°C, and cultivate for 20 days;
[0050] (2) In mid-March, when the corn seedlings grow to 3-4 true leaves, prepare the field, plow 30-40cm deep, plow the green manure on the field deep into the soil and apply 100kg / mu of base fertilizer, and use large and small row cultivation , with a large row spacing of 95cm, a small row spacing of 62cm, and a plant spacing of 32cm; 3 days before transplanting, the corn seedlings were sprayed with a 1000-fold dilution of 10% imidacloprid to kill...
Embodiment 3
[0066] A method for planting sweet corn harvested three times a year, comprising the following steps:
[0067] (1) At the end of February every year, select the seeds of super sweet corn, soak the seeds in warm water at 30°C for one night, and sow the slightly sprouted seeds in the seedling trays equipped with seedling substrates the next day, and tidy the seedling trays After arranging, build a small shed above it, cover it with a plastic film to keep warm, control the temperature between 24-28°C, and cultivate for 15 days;
[0068] (2) In mid-March, when the corn seedlings grow to 3-4 true leaves, prepare the field, plow 30-40cm deep, plow the green manure on the field deep into the soil and apply 120kg / mu of base fertilizer, and use large and small row cultivation , with a large row spacing of 85cm, a small row spacing of 58cm, and a plant spacing of 28cm; 5 days before transplanting, the corn seedlings were sprayed with a 1000-fold dilution of 10% imidacloprid to kill inse...
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