First, cutting seedlings Yang Xin dishes strong resistance, strong vitality, although you can take seed propagation and propagation, but cutting propagation is easier, in the spring, summer, early autumn and winter greenhouses can be carried out. The old ripening branches of the vegetables can be planted directly in the cultivated land, but in order to arrange the cornices scientifically, the seedling management is well done. The production is generally from the middle and late March to early April, from the protected areas, or in 5 In mid-late and late-September and late-September, pick up old mature shoots from cuttings and grow cabbages. The nursery must select high-lying, well-drained plots and spread 10 cm thick, 1 m wide and 10-40 m long clean sieved river sands as cutting seedbeds. How to choose Pesticides for greenhouse vegetables? Area 65-70 m 2. Cut 10-15 cm long, old mature branches with lignification at the base, remove the top stems and the base leaves, leaving 3-4 leaves per cutting, 30-50 into 1 The base is soaked with 50 mg/kg rooting powder solution for 18 hours, inserted into the seedbed at a spacing of 5 cm and 5 cm deep, then irrigated with water, and then placed on a small shed to cover the shade net and conduct proper shade seedlings. 7-10 Days can survive, and they can be transplanted and planted 20-25 days later. Water in the seedlings during drought.

Second, soil fertility suitable for growing crops can be cultivated dry land, but the fertile sandy loam cultivated land and loam soil is conducive to its high yield. In advance, the arable land will be deep-rooted and dried, and 2,000 kg of decomposed pig manure or 100 kg of cooked vegetables and 50 kg of ternary compound fertilizer (15% each of N, P, and K contents) will be applied per acre as basal fertilizer. According to the width of 2 meters, the ditch is opened and the ditch is 30 centimeters deep and 20-40 meters long. The gutters and gutters are opened, and the planting is done.

III. Transplanting and colonization Planting ditch with spacing of 25 centimeters, that is, 5 ditches per sorghum. Apply 1000 kg of roosting cow dung or 50 kg of cooked squid per mu, apply fertilizer into the ditch, and apply fertilizer and soil. Mix well and plant at a distance of 15 cm. When planting from the seedbed with soil from the seedlings, planted into each hole 2-3 seedlings, planting depth of 5 cm or so, after pouring enough water, and then cover the fine soil for repression, pouring water. The total number of colonization per acre was 9500-10000 points and the total number of plants was 22,000-2.5 million. If there is no nursery condition, 10-15 cm long, old mature branches with lignification at the base can be collected in the spring and autumn season, and the top tender stems and the base leaves can be removed, leaving 3-4 leaves per cutting to be directly planted and colonized. The method is the same as above.

Fourth, field management 1. Fertilizer and water management After planting, less fertilizer should be applied to the top dressing. Normally, top dressing is applied once a month or with water, and 10 kg of urea and 3 kg of potassium dihydrogen phosphate are applied per acre. Before wintering or returning to green, 2,000 kg of fertilizer or 50 kg of ternary compound fertilizer is used per acre. For each harvested time, 10 kg of potassium chloride or 100 kg of plant ash should be topped up in time for each acre to promote branching and increase yield. If the soil is dry, it should be watered in time. The water must be poured thoroughly; 2. Weeding and weeding should be done immediately before weeding, before returning green in the early spring, and after each harvest. 3. Manage the open-season cultivation of cabbage over the winter and over the summer. In the 20 days before the frost, except for the base of the upper part of the plant, which is kept 10 centimeters away, all the upper part is cut off, then irrigated, and covered with a layer of 3-5 cm thick rice. Wheat straw can safely winter. Protected cultivation of vegetables, in winter, there must be a plastic canopy covered with plastic sheds and non-woven covered cold protection measures. In case of severe cold weather, straw curtains should be covered at small arches at night; in case of snowfall, it should be timely. Clean the snow area of ​​the shed to avoid squeezing the shed; the daily management of winter is still based on scientific and rational ventilation. Watering vegetables in greenhouses should pay attention to the cultivation of the cultivated cabbage, from June to September, during the hot summer season, shade nets should be used to cool the roof.

V. Harvesting and Processing When the plant height of the cabbage is more than 20 cm, it shall be harvested in time. There are two kinds of harvesting methods, one of which is unified harvesting, that is, using trowels to cut stems and leaves at one time horizontally on the basis of leaving 3-4 nodes at the base of most branches, usually cutting it once every 60 days or so. Each mu yield is about 4000 kg. The open field cultivation can be cut 4 times a year, and the cultivation ground can be cut 6 times a year. Another method is to harvest in batches in stages, firstly harvesting dense, thick and tender stems and leaves, allowing the thin and sparse stems and leaves to continue growing, and then gradually harvesting them later. The total annual production of the two harvesting methods is basically the same. The harvested stems and leaves can either be directly marketed or sun dried for consumption or tea.

Cabazitaxel Intermediates

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Cas 183133-96-2,Cabazitaxel Intermediates,10Î’-Dimethoxy

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