1, it is advisable to choose loose and fertile, deep soil, rich in organic matter and the terrain is high and dry, good drainage and irrigation of the land for planting, get rid of weeds, plowing depth of 25-30 cm. Each 667 square meters of rotted organic fertilizer 3000 kg, 50 kg of compound fertilizer, 20 kg of calcium superphosphate and 80 kg of lime as a bottom fertilizer. According to the 1.5-2.0 meters package ditch open box for border, ditch width 30 cm, depth 20-30 cm.
2, planting rosemary seedlings is one of the biggest problems, it is difficult to grow rosemary seedlings if you use seeds directly, so we choose the simplest method of propagation cuttings, choose the thicker stems cut into 8-10 cm slant, soaked in carbendazim, and then cuttings into a fifty-hole hole tray filled with seedling substrate, and then sprayed with water and placed on the seedbed.
3, the Yangtze River Basin region field planting time is appropriate for late March to early-mid April, the leveled land according to the plant spacing first ponding, a small amount of fertilizer, and then covered with a thin layer of soil on the bottom fertilizer, you can transplant. Transplanting with soil, plant spacing of 30 cm, row spacing of 50 cm, 1 plant per hole, after planting, watering root water.
4, 5 days after planting (depending on the * soil wet and dry conditions) watering the second. When the seedlings are alive, you can reduce the watering. Rosemary if the leaves are dry, do not look a little full, the color is not fresh green, it is estimated that the lack of water. Rosemary placed in the open air, because the sun is always shining, evaporation is also quite large, so as long as two days without watering, the leaves are dry and a little wilted, you need to quickly replenish the water. 30 days after the transplantation of survival, every 667 square meters of rotted human urine 1000 kg or urea 10-15 kg; thereafter, every 30 days or so fertilizer 1 time, each time every 667 square meters of urea 10-15 kg and compound fertilizer 15-20 kg.
5, when transplanted and planted within 3-4 months can start pruning work, cut branches can not exceed the general length of the longest, rosemary leaf axils have the ability to grow small buds, these flyers will grow with the long branches. If not pruned in time, and then after a long time, because these small buds lead to messy plants, plants off, causing a variety of diseases and pests.
6, rosemary can be harvested for many years, harvesting to branches and leaves, available scissors or directly by hand folding mainly. Avoid contact between the sap and the skin when harvesting, and do a good job of disinfecting the wound.