Sexual propagation cultivation method of Guangxi curcuma zedoary

The invention discloses a sexual propagation cultivation method of Guangxi curcuma zedoary, and belongs to the field of plant cultivation. The sexual propagation cultivation method comprises the following steps: step 1, seed collection; mature clusters are harvested, placed in a ventilated, shady and dry room and spread out to be dried in the shade for 5-7 days. 2, selecting and preparing a seedling raising field; deeply plowing soil before sowing, and removing tree roots, grass roots and stones; 1000.0 kg of thoroughly decomposed farmyard manure and 20.0 kg of phosphate fertilizer are applied per mu, and high ridges are formed according to the length of 5.0-8.0 m, the width of 1.0-1.2 m and the height of 0.2-0.3 cm after ploughing and leveling. Step 3, seed treatment and sowing; before sowing, the seeds are soaked in a 2% sodium hydroxide solution for 5-10 min, and the seeds are fished out, placed in a treatment device and diluted with clear water for 3-5 times; during sowing, seeds are uniformly sown on the