Macadamia nuts are native to Australia, is an evergreen tree, also known as macadamia nuts, "the king of dried fruit" reputation. It belongs to the dicotyledonous plants, fruit spherical, fruit leather system hard, suitable for growth in mild, humid and windy areas. Suitable for growth in the temperature of 10 ~ 30 ℃, annual precipitation of more than 1000mm area. Macadamia nut is rich in nutrition, good market prospects, ecological and economic benefits.
1.2 Climatic conditions of Junsai Township
Junsai Township is a low-latitude mountainous southern subtropical monsoon climate, hotter climate, sunshine, climate differences within the territory, three-dimensional climate is obvious, the average annual temperature of 21.6 ℃, rainfall up to 2000mm, precipitation is sufficient, the sunshine rate is higher, the natural conditions of the superiority of the water, light, heat, and other resources are sufficient for macadamia nut planting.
2 Macadamia nut planting technology
2.1 Seedling selection and orchard reclamation
Macadamia nut planting is generally selected grafted seedlings, with a high survival rate. Choose plants that are robust, free of pests and diseases, with well-developed root systems and good grafting sites.
Macadamia nuts belong to the subtropical cash crop, has a strong adaptability, in the choice of nut plantation, you need to choose a good wind effect, sunny, good drainage, fertile soil areas. After selecting the garden, reasonable planning of the garden roads, irrigation and drainage ditches, soil and water conservation, protective forest belts and other reclamation, comprehensive cleanup of the plantation, to ensure that the row spacing of nuts, and adjust the rows according to the actual situation, you can use a large hole planting method of planting, to ensure that the width of the hole ponds and the depth of the hole ponds, hole ponds of the digging is generally chosen to be completed in mid-February. Gently gardening using the cross marking method, keep the distance between each plant 5m, row spacing 7m, plant line marking in the form of a straight line, there is a slope of the garden can be in accordance with the row spacing of 7m to repair the elevated terraces, the width is maintained at 3m, the plant spacing of 5m, each 667m?can be controlled at about 20 plants.
2.2 Apply base fertilizer
Each hole pond needs to apply 30~50kg of farmyard fertilizer, evenly apply farmyard fertilizer and calcium-magnesium-phosphorus fertilizer on both sides of the hole ponds and above the soil slopes, and then fill the hole ponds with fertilizer with the top layer of soil.
2.3 Planting
Clear the branches growing out from underneath the grafting port, plant around July, put the saplings into the dug hole pond and fill the soil, make sure the saplings are upright during the process of planting, hold them up by hand and cover them with soil, compact the soil and irrigate them. In addition, because many macadamia nuts have self-fertility, so when planting the different varieties of nuts need to be cross planted in alternate rows, to ensure that a piece of land has at least two varieties with each other.