The pollution-free ginger planting process must be carried out according to certain regulations, and the product must meet certain quality standards. The existing ginger planting area in Laizhou City is 2000hm2. It has been identified as a provincial-level pollution-free ginger production base. Over the past few years, in order to meet the demand of domestic and foreign markets for agricultural products, the use of pesticides in the production process has been reduced. To reduce the amount of pesticide residues in products, we summarized the comprehensive prevention and control technologies for pests and diseases from birth to harvest, and achieved significant economic benefits.
First, the land selection. Choose the soil with deep soil, fertile soil, rich organic matter, and pH of 6-7. The terrain is high-drying, with convenient drainage and irrigation, and the front land is grain fields or garlic fields. There is no “three wastes†pollution source within 3 km around the block. Jiangtian atmospheric environmental quality, irrigation water quality, and soil should all meet the pollution-free agricultural product base quality standards.
Second, the choice of species. According to the local planting habits, high-yield, high-quality, disease-resistant insects, strong resistance to stress, and good-quality products were selected. Laizhou locally used “Leiyou†brand ginger.
Third, selection. Ginger was selected as a ginger for last year. Use well water to wash away sediment, select ginger for fat, plump, shiny skin, bright yellow flesh, hard texture, unfrozen, not rot, bud head round, no pests and ginger for the species. It is forbidden to plant seeds from the ginger area. Strictly remove ginger blocks that have dark skin (have been licked), frozen, rotted, soft ginger, or other pests and diseases.
After selecting the seeds, soak for 30 minutes with 0.5% potassium permanganate solution to germinate.
Fourth, soil fertigation. After 10-15 days of ginger planting, combined with deep-sweeping land, Mushi's China Green Food Development Center recognizes 50kg of “Daibaolv†double green-green fertilizer and 5,000kg of fully cooked manure. Fertilizer, generally Mushi cake fat (peanut cake or bean cake) 100 kg, the province identified pollution-free "Laizhou" brand potassium sulfate compound fertilizer 15 kg, 3 kg of zinc fertilizer, borax 2 kg.
Fifth, rational planting. Before sowing, the stimulating ginger buds are smashed into small pieces of 70-80 g. Generally, only one strong bud is left on each seed block. The wound is then planted under turfgrass (standardized buds: 0.5-1.5 in length). Centimeter, 0.8-1 centimeters thick, fresh and bright white shoots, bud body fat, top blunt round, no new root buds issued). The next time, the ginger bud will be perpendicular to the direction of the row and lie flat in the sowing ditch. The ginger buds are flush and in a straight line, and then cover the soil about 4 centimeters to ensure that the Miao Qi Miao Zhuang.
In the early stage of seedlings, mainly pouring small water to keep the ground moist. Seedlings were properly watered according to the weather conditions at the later stage of the seedlings, keeping the ground dry and wet, and watering in the summer. It is advisable to use the water in the morning and evening. After storms, the water in the ground is eliminated, and then the well water is poured. Throughout the growing period of ginger, flooding is prohibited.
Sixth, scientific prevention. According to the monitoring and reporting information of the plant protection department in the local plant protection department, the diseased plant was found out, and the diseased plant was found out. The disease was selected, the medicine was administered early, the medicine was treated more than once, and the amount of pesticide used was reduced.
Stem diseases (ginger rot, ginger rot, etc.); When a diseased plant is found in the field, timely excavate the soil around the diseased plant and the diseased plant, bring out a deep burial in Daejeon, and apply bleaching powder 125 g or 1% bleaching liquid in the hole. Then use a sterile soil to seal the heap, and the control effect is good.
Leaf diseases (ginger anthracnose, leaf blight, etc.): When a diseased leaf is found in the field, it is promptly removed and placed in a plastic bag to bring out the field and burn or bury it deeply. At the same time as early as 70% of thiophanate-methyl WP 1000 times plus 75% of chlorothalonil WP 600-700 times the spray control, 7-10 days 1, even spray 2 times . Pay attention to spray fine spray. The drug was stopped 20 days before harvest.
For ginger borers and locusts, when Jiangyan and aphids were found in the field, they were promptly sprayed with 750 times of Yangkang No. 3 suspension agent (AA-grade green food production data) or avermectin preparation (1.8% of exteretrazine) 6000 times. According to ginger growth size and pest conditions appropriate to change the amount. At the same time, high-pressure mercury lamps are turned on at night to trap and kill adult insects.
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