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Soil and Climate Selection Choosing cultivated grass plots should be far away from the factory to prevent pollution. The Cassia is not strict with the soil, and it can be cultivated on gentle slopes, ditch, and roadsides. The sandy loam with deep, fertile and well-drained soil is suitable. PH6.5-7.5 can be used to make it sticky. Heavy and saline land is not suitable for cultivation. Grass Cassia is a light plant, like the warm and humid climate, sunny enough for its growth.
Cultivation Techniques
1. Selection of land and site preparation grass should be selected on the plain or sunny slope, per acre applied to compost 3,000 tons of soil miscellaneous fertilizer, 50 kg of superphosphate, 30 kg of potassium sulfate, 20 kg of urea, after leveling, make plot, as Qikuan 1.2 m or Takakuro flat plot.
2. Cassia all spring sowing. South in late March, the North on April, mid timely sowing. In order to Miao Qi, Miao, Zhuang, response time of sowing seed treatment, seed soaking available 50 deg.] C hot water for 12 to 24 hours to swell after absorbing water, remove and dry skin, mixed with fire wood ash can be planted. On the make Qimian by 50 cm spacing, line spacing, 50 cm Dibble. Hole depth determined by the moisture, moisture is good, 3 cm deep hole, casing 1.5 to 2 cm; when moisture, soil 2 cm. 5 to 6 capsules per hole, slightly suppressed. After sowing, the soil is often kept moist and germination occurs 7 to 10 days. The amount of mu is 1 to 1.5 kg. The use of plastic film when sowing can significantly increase the yield and quality of Cassia.
3. Field management (1) Seedlings, Dingmiao, and Miao Miao After a period of time, when the seedlings of Cassia melilocarpa are unearthed, when the seedling height is 3 to 5 cm, the young and weak seedlings are removed, leaving 3 to 4 seedlings per hole; 10 to 15 cm in height, Dingmiao, leaving 2 seedlings per hole. If it is found that the lack of seedlings, timely replanting, as Miao Qi, Miao Quan, Miao Zhuang, this will be conducive to Cao Ming Ming high yield.
(2) Before cultivating weeds and fertilizers, after the emergence of the fertilizer and before closing the seal line, it is necessary to diligently work on cultivating and watering to keep the soil moist. After the rain, the soil is easy to compact, and the cultivator and soil must be ploughed in time. After cultivating and weeding, combine the seedlings to conduct the first top-dressing, and apply 500 kilos of manure and urine water per acre; in the initial stage of the second branch, after cultivating and weeding, 1,000 kilos of manure and urine water per acre are added to the superphosphate. 40 kg, promote more branches, more flowering results; the third time before the closure of the line, after the cultivation and weeding, per acre Shi cooked cake 150 kg, plus 50 kg of superphosphate, promote fruit development and full, full grain. When the height of the seedlings is 60 cm, soil is used to prevent the seedlings from falling.
(3) Drainage and irrigation of water and foliar fertilizers Cascades require more water during the Cassia growth stage, especially seedling stage, seedlings grow slowly, intolerance to drought, pay attention to watering, often keep the surface moist; wet season should pay attention to drainage, long-term water Accumulation, easy to die and result in reduced production.
4. Diseases and Insect Pests and Their Control (1) Gray spot disease can harm the whole leaf. At the beginning of the disease, brown spots appear on the leaves, and the central color is slightly lighter. Mildew develops on the late stage of the lesion and is severely affected under humid conditions.
(2) Ringworm disease can invade leaves, stems and fruits. In the early stage of the disease, the lesions were nearly round, and the lesions in the late stage showed a rim-like appearance, which was not obvious.
The main control methods for the above two diseases: 1 diseased plants, timely removal, concentrated burning and deep burial; 2 diseased sites with 3% lime milk for soil disinfection; 3 early stage of the disease with 50% of carbendazim 800 ~ 1000 Double liquid spray control, 7 to 10 days 1 time, 2 times in succession; 4 severe, spray wave US 0.3 degree lime sulfur agent.
(3) Cassia locust can harm the tender stems, young leaves and pods.
Control methods: 1 can use 40% of dimethoate 2000 times spray control; 2 severe disease, can be used 90% trichlorfon 1000 times spray control, 7 to 10 days, 2 consecutive times.
Timely harvesting and processing of spring sowing will determine the fruit ripening from the fall of September to October of that year. When the pods turn dark brown, they are timely harvested, which is one of the main ways to increase the yield of Cassia. The whole plant was cut off, transported back to the drying field, sun dried, seeded, net impurities removed, and the seeds dried to dryness. Mu dry products 200 to 300 kilograms. It is better to be dry, full of grain, brown, and shiny.
Cassia is one of the most commonly used medicinal herbs in China. Its cultivation technology has a long history and its medicinal value is very high. The medicinal parts of Cassia are seeds, bitter, slightly cold, with the functions of clearing the liver, eyesight, and laxative, and can be used for headaches, dizziness, and constipation.