Yaoguoshu is a southern plant, mainly distributed in Guangdong, Guangxi, Yunnan, Hainan, Fujian and Taiwan Province provinces. Its leaves are oval, similar to Ficus microcarpa, but not big.
The medicinal tree is evergreen all the year round, and generally grows faster in mild and rainy seasons. It takes 4 or 5 years for the seedlings to reach a certain height. The young trees of Cynanchum auriculatum can blossom in the second year and bear fruit in the third year, but the bearing rate of young trees is relatively low, and it takes 7 or 8 years to enter the high-yield period, and this cycle is also relatively long.
Cultivation techniques of cashew nuts;
1, plastic trimming
Plastic pruning can adjust the crown structure, improve the ventilation and light transmission of the tree body, thus improving the fruit setting rate and increasing the yield. The principle of pruning young cashew trees is to be light rather than heavy, sooner rather than later. Pruning in stages and batches for many times has a good effect on pyramid pruning and shaping.
2. Fertilization management
Although Yaoguoshu is barren and drought-resistant, cultivation practice has proved that Yaoguoshu, which likes to grow in the natural state, has almost no yield. The yield of mature fruit trees will double after fertilization. Judging from the types of fertilization, the mixed application of nitrogen, phosphorus and potassium has the best yield-increasing effect.
Followed by single application of phosphorus, and then mixed application of nitrogen and phosphorus ... Higher levels of nitrogen can prolong the flowering period, while higher levels of phosphorus and potassium can shorten the flowering period. The application of N600, P200 and K200 per plant per year can significantly increase the number of nut plants per plant, and improve the total output and kernel yield.