Rice field management technology in the middle and later period
First, moisture management
1. Foot water booting, heading, flowering, entering the booting stage after jointing, keeping 3-5 cm shallow water layer, ground irrigation; heading, flowering period, paddy field must establish 3-5 cm water layer of continuous water.
2, wet grouting, dry and wet alternating after heading, mainly wet, wet grouting.
3, the wax matured at the end of the dry, matured 3-5 days before harvest and water dry, so that late water-breaking rice, improve rice quality.
Second, top dressing
1, on time to protect the flower fertilizer, sword blade tip when the Shi Baohua increase fertilizer, urea 3-4.5 kg per acre.
2, spray foliar fertilizer, earing early, foliar spraying potassium dihydrogen phosphate 400 times during the filling stage, or spraying multiple micronutrient dilutions.
Third, the main pest control technology
1. Rice Sheath Blight: Use 2-30% Jinggangmycin Soluble Powder 25-37.5g/12.5% ​​Diniconazole Wettable Powder 37.5-50g or 10% Hexiconazole Alcohol Suspension 30-50g/Water Spray .
2. Rice planthoppers: Spray 25-35 grams of 25% buprofezin isopropoxyl WP or 50-70 grams of 10% Etheryl Chloride suspension per acre.
3, locusts: 25% per acre poisoned azole phosphorus EC 80-100 grams of water spray.
4. Rice blast: Use 75% tricyclazole 70% wettable powder per acre 20-30 grams or 30% rice bran extract 100-150 grams or 40% rice bran extract 80-100 grams or 20% rice blastide suspension 60-100 grams of water spray.
5, rice smut disease: break before 5?D?D 7 days, per acre with 25% chlordiazepoxide 50?D?D 60 ml or 10% oxazolidinol suspension 30?D?D50 g water spray, while Can cure rice blast, sheath blight and so on.
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