Technical specifications for licorice licorice cultivation
1, the scope of the election. Licorice has strong adaptability and can grow in general soil, but it is most suitable for slightly alkaline or alkaline sandy loam with a pH of 7.2--8.5.
2, mouthful choice. Glycyrrhiza is a perennial herb belonging to the genus Glycyrrhiza. It is better to use grass crops as the forerunner, and avoid using legume crops.
3, soil preparation and fertilization. After the harvest of the former crop, combined with deep-sloped soil preparation, 3500--4000 kg of high-quality farmyard fertilizer per acre, 50 kg of phosphate fertilizer, and fine-grained soil for planting.
4, timely planting. In the middle and late April, a small ditch with a depth of 15–20 cm was established within 20 cm of the entire plot, and the seedlings along the ditch and the top of the reed were tilted upwards with a 30-centimeter plant spacing pattern of “productâ€. Into the ditch, and then cover the front seedlings with a ditching soil and smash fine, according to this every three small ditch for a group, with a width of 80 cm cover film compaction, so that the formation of "three ridges" cultivation mode, About 10,000 plants are planted per acre.
5, field management. After planting, seedlings should be carefully peeled off in time to prevent seedlings sprouting. Sandy soil is used to compress the tearing film. The artificial cultivation of licorice must keep the soil around the reeds soft and promote the emergence of weak shoots. Main branch. Combined with cultivator weeds, underground cross stems were found to be removed in time to promote root growth and improve the proportion of grade grass.
6. Pest control
6.1 Rust. At the beginning of onset, spray 70% Trifenin 1000 times.
6.2 Powdery mildew. It can be sprayed with 50% thiophanate-methyl 100-fold solution.
6.3 gray spot disease. It can be sprayed with 75% chlorothalonil wettable powder 500--600 times.
6.4 Insect pests. 90% trichlorfon or 40% dimethoate can be used for root control.
7, harvest. The grade grass standard can be achieved after 2 to 3 years of growth, and the yellow season is best when the autumn leaves are yellow. The method is to first cut off the stems and leaves, remove the mulch, and dig deep along the sides of the line. When the roots and stems are exposed to the ground more than 40 cm, pull out hard, shake the soil, go to the head of the reeds, the roots and the lateral roots, and dry them in grades until they are completely dry. Available for sale.
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