Salvia cultivation 4 steps
Site preparation
The geologic terrain should be selected from sandy soils with deep soil, loose fertility, high topography and good drainage. Flatland should be used as a drainage ditch; mountains and ridges should be selected for low slopes in Xiangyang, and the slope should not be too large, 10 to 30 is better. Soil organic matter content should be greater than 8 or more. The PH value is between 6.5 and 7.5.
Site preparation of Salvia miltiorrhiza root deep, about 33cm into the soil. Therefore, after the previous harvest, deep-slope the soil more than 35cm, combined with site preparation, per acre applied into the decomposed manure or compost 2500 ~ 3000kg, plus superphosphate 50kg9 into the soil as base fertilizer. Before planting, plowing once more, making fine and flat, made into a 1.3m wide sorghum, surrounded by a good deep drainage to facilitate drainage.
Cultivation method
The survival rate of seedlings transplanted with Salvia miltiorrhiza is high, and it is easy to reach seedlings, seedlings and seedlings, and the yield is high and stable. It is planted in spring from April to May, and autumn is planted in late October. Should not be late as soon as possible, early transplanting, early rooting, early the next year back to green. When planting, dig a hole with a spacing of 3233cm on the surface of the plant. The depth of the hole is determined by the length of the root. The appropriate amount of manure is used as the base fertilizer at the bottom of the hole. After mixing with the soil and soil, 1 to 2 seedlings are planted in each seedling. The depth of planting is based on the original natural growth depth of the seedlings, and the buds can be exposed, and the rooting water is poured after planting. Planted on a large area can also be semi-mechanized, that is, mechanical trenching, artificial scattered seedlings, mechanical casing and repression.
Seed cultivation with seed selection, root growth of 1 year, robust, disease-free Danshen root, the size of the thickness of the separate, cut into 5cm long sections; will be made into a good 80cm wide high ridge, according to spacing 25 ~ 30cm30 ~ 40cm digging hole, hole depth 4 ~ 5cm, will cut a good root segment, soaked in rooting powder solution for 30 minutes, while picking up the edge of planting, per hole erect erection or oblique planting 1 to 2 segments, do not Before planting, cover the soil with 4～5cm, and then compact the surrounding soil to keep the soil moist. Planted in large areas can be semi-mechanized.
Field management
Loose soil weeding and Salvia miltiorrhiza are slow to grow in the early stage, and weeding and weeding should be carried out in time. Generally, we apply 1-2 times of topdressing before mulching, and remove weeds immediately after mulching.
Timely application of fertilizer can be used in the middle of June to apply ammonium sulfate 50kg. Shallow trenches are applied to the sides of the plants, then covered with soil.
Prevention and control pests Salvia miltiorrhiza major diseases and pests have root rot and ground tigers. After the onset of root rot, the roots are black and rot, and the stems and leaves on the ground are withered. The disease is prone to occur in the hot and humid seasons from June to August. Control can be timely drainage, avoid continuous cropping, can be used 50% carbendazim 1000 times watering. Ground tigers harm the tender seedlings, can be used 3% malathion powder 1:10 mixed soil, spread in the line for poisoning.
Harvest processing
Harvest time Spring planted in late autumn to pre-freeze in the same year, and in the second ten years after planting in the fall, from the beginning of October to the beginning of November, when the stems and leaves of the local area withered, they could be excavated. When harvesting, the soil around the roots was first excavated. Afterwards, straighten out all the roots. Be careful not to keep the roots intact. For large area cultivation, mechanical harvesting can be adopted.
Processing method After excavating the root, do not wash it with water. After removing hairs, repairing shrubs, and cutting the fine tail, spread it in a dry and ventilated place and dry it until it reaches 5-60%. Let it dry until it is completely dry.
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