First, seedling cultivation. At the end of March, loose and fertile land was selected and basic fertilizer was applied. Apply 2000kg of alum fertilizer per acre with a small amount of urea, and plow till uniform. In the north-south direction, the seedlings are 1 meter wide, and within the centipede, about 2 centimeters (3 to 3 centimeters) wide shallow grooves are formed. The new Toona sinensis seeds were finned, soaked in warm water at 40°C for 10 hours, rinsed repeatedly with fresh water, mixed with 1:1 volume of fine sand, and then spread evenly in the open shallow ditch. Mu uses about 3 kilograms of pure seeds. When citron seedlings grow 2-4 true leaves, the seedlings are weeded and the spacing between seedlings is maintained at about 15 cm and about 20,000 mu are left. Frozen Mussels,Frozen Cooked Clean Mussel Meat,Cooked Mussel Meat,Seafood Mussel Meat Shengsi Xiangyuan Aquatic Products Co.,Ltd., , https://www.mytilus-edulis.com
Second, build a shed to transplant. Ordinary oblique one vertical plastic film solar greenhouse, 8 meters wide from north to south, 40 meters from east to west, the wall is made of soil, the back wall is 2 meters high, 60 centimeters thick, and the ridge height is 2.4 meters. The shed is made of cement columns. Bracket, shed forward slope with bamboo rod as a beam, covering ordinary polyethylene film, covered with rice straw at night. Shed with corn stalks and straw stubs on the back slope of the shed, protected against heat and cold. From early to late November, the seedlings of citron shall be transplanted in the greenhouse. Before planting, Mushi diammonium 100 kilograms, chicken manure 5000-10000 kilograms, deep turn 60 centimeters, 耙 耧 耧 耧 , ,, for 1 metre wide, 畦埂 width 40 cm, easy to walk into the vegetable, acres planted 8-10 10,000 plants. After 10-15 days after planting, the seedlings were kept at a gentle temperature during the day and maintained at 10°C during the day. The growth-promoting period was 18°C-23°C during the day and 13°C-15°C during the night.
Third, the shed management. Planting water after planting, to fill with water. The second round of water was carried out after the harvesting of two scented scented buds. Before the third round of watering, 25 kilograms of diammonium and urea were mixed to make it dissolve with water. At the same time with 0.5% urea and potassium dihydrogen phosphate, alternately every other week - spraying on the leaves of citron leaves for fertilization. Every morning, we should roll up the grass on the front slope to maintain a suitable temperature in the shed. Snow cover should be timely cleaned when snowing, to prevent damage to the shed body. About 50 days after the seedlings enter the shed, the top buds can grow to about 20 cm. At this time, the first shoots can be taken. The first time only the terminal buds were harvested and completely removed to promote the sprouting of axillary buds.
Fourth, pick shoots post-harvest management. After picking, timely fertilization should be done. In the later period, when the buds grow to 15 cm, picking is started. At the same time, the basal part of the buds retains 1 or 2 leaves and promotes regeneration of sprouts. Picked citron buds should be spread damp and cool, avoid packing along with the package with plastic bags, to prevent buds off the leaves, reduce bud quality. After the end of the entire harvesting period, the seedlings were transplanted into the fields for storage at the end of April. When the period from June to July is prolonged, paclobutrazol can be sprayed 300 times for dwarfing, and then the seedlings in the greenhouse can be grown and harvested after frost.