(1) Fertilization for soil preparation and timely planting: In the first year, ginger should be selected from plots that are robust, disease-free, and productive. After the harvest, select the ginger block with fat, round head, full head, uniform head size, bright color, and no pest damage. Germination should be done before sowing. Choose suitable varieties for local cultivation, such as Shandong ginger, Laiwu slice ginger, Anhui Tongling ginger, Shaanxi city solid turmeric, Guangzhou meat ginger, Changsha red melon ginger and so on. Ginger root system has a weak distribution, and is afraid of drought, fear of warts, and avoiding continuous cropping. It should be selected from land plots that have not occurred in 3 to 4 years or more, and base fertilizer must be applied. It is best to deepen the weathered soil before the winter, and the spring will be very smooth. Combine the ground, apply 45,000 kg/ha of organic fertilizer, 750 kg/ha of superphosphate or 75,000 kg/ha of mature manure, and apply 2250 kg/ha of plant ash. In the southern winter, Ziyunying green manure can be cultivated, and in the second spring, the base fertilizer is turned over and used in combination with ternary compound fertilizer 1500 kg/ha. Generally flat sowing or ditching sowing. If there is not enough fertilizer, fertilize in the sowing ditch. (2) Coinciding with top-dressing: ginger is extremely fat-tolerant. In addition to applying base fertilizer, it should be top-dressed several times. The germination period depends mainly on the growth of ginger nutrients, without the need for top dressing. Seedling growth time is longer, the amount of fertilizer required is not much, but in order to promote seedling growth and robustness, a strong seedling fertilizer should be applied, with the water flushing to compost human excrement 15000 kg / ha or urea 150 kg / ha. Before and after the beginning of autumn, Jiang Miao is in the stage of three strands of eel, which is the turning point of growth, and also the turning point of changes in the amount of absorbing fertilizer. It should be followed by “turning fertilizerâ€, which can be combined with the extraction of ginger sunshade to compost 45,000 kg/ha of organic fertilizer. Or cooked bean cake 1050 ~ 1200 kg / ha, and apply ternary compound fertilizer 225 ~ 300 kg / ha. In the northern part of September, ginger rhizomes are entering a vigorous growth period. To promote the expansion of ginger blocks and prevent premature aging, topdressing a supplementary fertilizer and applying 450 kg/ha compound fertilizer. After the beginning of autumn, in combination with watering, fertilizing and weeding, soil should be cultivated in 2 to 3 times. According to the use of harvested products, timely harvest.
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Whole ginger non-pollution fertilization technical specification