Gentian cultivation management method:
Weeding: Weeding should not be limited by the number of passes, in addition to the principle of removing the small ones and seeing the grass. Do not wait for the weeds to grow up to form grass and then pull out the grass, which is both labor and injury.
Loose soil: The purpose of loose soil is to prevent soil compaction of the kneading surface, improve soil gas, reduce water evaporation, and remove weeds in the budding.
The loose soil should be placed at the point of the first year of transplanting, and the second year can only be loosened when the soil is unearthed. After transplanting the seedlings, the slabs of the slabs caused by the watering should be removed by hand or nails. Note that transplanted seedlings are slanted, not too deep when loosening, so as not to injure the seedlings or bring out the seedlings. Generally, after transplanting, the gentian field combined with weeding should be loosened 2-3 times.
Top dressing: After transplanting the seedlings, in order to promote the smoothing of the leaves as soon as possible, the foliar topdressing can be carried out after the leaves are extended to the bud period and during the flowering to the result, using foliar potassium phosphate, foliar treasure Foliar fertilizer such as high-yield, the concentration is shown in the instructions, and foliar spray is applied.
3-4 years old gentian can carry out appropriate amount of root topdressing during the growth period, generally 100-150g per square meter of cake fertilizer, 50g of ammonium dihydrogen phosphate, 3kg of farmyard manure. The method is to ditch the space according to the line, and the depth of the hole is 2-3 cm, and the fertilizer is applied into the groove, and the soil is covered flat.
Thinning and picking buds: In order to reduce the consumption of nutrients, promote the accumulation of roots and accelerate the growth of rhizomes, the non-harvesting fields should be removed after the buds.
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