Applying basic basal fertilizer to organic fertilizer is mainly based on organic fertilizer application, that is, on the basis of applying 2500-3000 kg of decomposed organic fertilizer per acre, Mushi biological organic fertilizer is 45-50 kg. When digging the ground and planting holes in the site, the basal fertilizer and the soil in the planting hole can be fully mixed and planted.
If it is not possible to fertilize the base fertilizer due to insufficient fertilizer or cultivars in the cultivated land, it is often used when seeding, and 15-20 kg of special compound fertilizer is used as seed fertilizer. Fertilizer application is mainly carried out in the form of ditch application or hole application, but the fertilizer should not be in direct contact with seed potatoes to avoid burning seed potatoes.
Look at Miao Qiao Shi top dressing fertilizer to be early to clever, generally divided into 2 times, the first time in the Qi Miao, combined with cultivator soil, with compost faeces 500 to 700 kilograms of water pouring; the second time in budding stage , Mushi black plus white biological fertilizer or special compound fertilizer 10 ~ 15 kg.
The foliar top dressing starts from the time when the potato seedlings start to leaf, and once every 7-10 days foliar topdressing 0.1% magnesium sulfate, 0.3% potassium dihydrogen phosphate, 1000 times triacontanol mixture, and spray 3~5 times Evenly spray wet blades.
Addition of Magnesium Fertilizers During the rapid expansion of potato underground tubers, 50-60 grams of magnesium sulfate was applied to each plant to apply fresh water or decomposed fecal water, or to dig shallow furrows around the plants to promote the rapid expansion of underground tubers.
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