Toon seedlings can also be grown in summer
Citron is a deciduous tree of citron, the trunk is straight, and young shoots and young leaves can be eaten as vegetables. If you miss the opportunity for spring seedlings or the failure of spring seedlings, you can also raise seedlings in the summer. Land preparation. Before the cultivation, 5000 kg of soil fertilizer was applied to Mushi, 100 kg of three-element compound fertilizer, and the depth of plough was 30 cm or more. The fertilizer was uniform, soil was broken, and the ground level was required. After the preparation, a 0.5-meter-wide sorghum was made so that the drought could be poured and the water could be discharged. sowing. Use the new seeds collected in the fall of last year, soak them in cold water for 12 hours before sowing, and remove them for sowing. Use a raft to open the ditch, each trip 2 lines, row spacing is 20 cm, cover soil 0.5 cm, 4 kg per mu. Post-broadcast management. In summer, high temperatures and heavy rainfall are not conducive to the germination of toon, and shades can be shaved by shade nets. It is also possible to control the ground temperature below 25° C., and use sprayers to control the soil moisture to 16% to 18%. Under this condition, the seeds will sprout after about 13 days. Spray 800 times after sprouting and stand up to control the disease. When the height of the seedlings is 10 cm, the seedlings are used in combination with cultivating and weeding, and the spacing is 10 cm. In order to cultivate high-quality and strong seedlings, tung oil seedlings are sprayed with 0.02% urea or potassium dihydrogen phosphate once every 7 days, and sprayed 4 times, and sprayed with 25% triadimefon 2000 times to prevent toad rust.