Dry direct seeding and sprinkling irrigation cultivation method of rice in hillside non-ridge fields
A cultivation method and technology of dry direct seeding, which is applied in the field of dry direct seeding and sprinkler irrigation of paddy rice in sloping fields, can solve the problems of difficult quality improvement, waste of water, and large labor workload, and achieve more carbohydrate accumulation, improved sowing efficiency, and lower protein content. The effect of lowering the lifting
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Embodiment 1
[0047] The dry direct seeding sprinkling irrigation cultivation method for rice in hilly and sloping land without grids of the present invention comprises the following steps:
[0048] Step 1. One-time preservation seedlings
[0049] The seeding depth is 2cm with a ditch-type seeder for sowing;
[0050] Step 2. Chemical weeding is carried out by adopting the method of killing one letter and one, treating early and treating small.
[0051] Sealing: After sowing and before seedlings, use 300 ml / mu of Zhongdingling to seal the soil;
[0052] Killing: When the seedlings grow to one leaf and one heart, use 34% propanil EC for spray treatment, and the dosage is 550 ml / mu;
[0053] Step 3. Apply fertilizers at the same time, no more topdressing after one-time fertilization
[0054] Apply diammonium phosphate at 2cm directly below the seed, and apply slow-release urea at 11cm diagonally below the seed;
[0055] Step 4. Sprinkle irrigation in the water-sensitive period, and water s...
Embodiment 2
[0058] The method for cultivating dry direct-seeding and spraying irrigation of paddy rice in hilly and sloping fields without grids of the present invention comprises the following steps:
[0059] Step 1. One-time preserved seedlings
[0060] Sowing was carried out with a pressure groove type seeder, and the sowing depth was 1cm;
[0061] Step 2: Chemical weeding by adopting the method of “one seal, one kill, early treatment and small treatment”
[0062] Sealing: before seedlings after sowing, use pendimethalin 250 ml / mu to seal the soil;
[0063] Killing: When the seedlings grow to two leaves and one heart, spray with 34% propanil EC at a dosage of 500 ml / mu;
[0064] Step 3: Fertilize the seeds at the same time, and do not top-dress after one-time fertilization
[0065] Apply heavy superphosphate at 1 cm directly below the seeds, and apply slow-release urea at 10 cm obliquely below the seeds;
[0066] Step 4: Sprinkle irrigation in the water-sensitive period, and water ...
Embodiment 3
[0069] The method for cultivating dry direct-seeding and spraying irrigation of paddy rice in hilly and sloping fields without grids of the present invention comprises the following steps:
[0070] Step 1. One-time preserved seedlings
[0071] Sowing is carried out with a pressure groove type seeder, and the sowing depth is 1.5cm;
[0072] Step 2: Chemical weeding by adopting the method of “one seal, one kill, early treatment and small treatment”
[0073] Sealing: before seedlings after sowing, use pendimethalin 250 ml / mu to seal the soil;
[0074] Killing: When the seedlings grow to two leaves and one heart, use 34% propanil EC for spraying treatment, and the dosage is 600 ml / mu;
[0075] Step 3: Fertilize the seeds at the same time, and do not top-dress after one-time fertilization
[0076] Apply heavy superphosphate at 1.5cm directly below the seeds, and apply slow-release urea at 12cm obliquely below the seeds;
[0077] Step 4: Sprinkle irrigation in the water-sensitiv...
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