Grapefruit is a very common fruit, which is grown extensively in the southern part of the country, with large fruits and sweet and fresh meat, with high nutritional value。
1. Choice of varieties
Many varieties of grapefruit not only stand for storage but also have excellent taste, with early ending, high quality, high yield and good economic benefits. They must be adapted to local conditions, be well-selected, fit to grow, and fight against blind cultivation。
Land plantations
The euphoria tree prefers warm, wet and fertilized water, requiring deep and fertile ground. Care should therefore be taken to plant the soil where it is thicker and well-fed or where water is in good condition。
3. Timing
The rainy season in spring and autumn is generally appropriate, from the end of spring to late april. Mid-september to mid-october fall. Other seasons may also be established if conditions so permit, but not at the end of the winter, in conditions of warm and dry summer。
4. Plantation density
They range from 4x4 m or 4x5 m, typically in the range of 40 acres, can also be dwarfed, sequestered and planted with 50-60 acres。
5. Plantation methods
(1) digging a large pit of 1 metre per hour before planting, applying large amounts of motor and moderate phosphorous fertilizer for base fatting and returning to soil 20-30 cm above the ground。
(2) the tree shall be lightly placed in the den at the time of planting, so that it shall be planted with loose earth, and the mud around the roots shall be crushed with its hands and the floor shall be exposed。
(3) after planting, the pallet is fixed 20 cm above the ground and sufficient to fill the root water。
6. Reasonable fertilization
In the application of fertilizers, it is necessary to apply pneumatic fertilizers during the winter, to increase the strength of the tree, to protect the leaves and to accumulate more nutrients in the tree. In order to obtain high-quality fruit, annual fertilisation should be combined with fertilizers with poultry, potassium-rich poultry and animal manure. Large amounts of organicly fertilized tungsten fruit are large and colourful, smooth, sweet and rich. Young trees are small, young, and can be applied in an industrious manner five to six times a year, and the result trees are generally applied four times, i. E., luminous, steady and strong。
7. Proper trim
The light conditions of trees can be changed through the removal of weak branches, the opening of branch angles and the re-direction of branches, so that the fruit is well developed and its quality improved。
Disease control
The main diseases of grapefruit are ulcer, scabies, anthrax, mites and shellworms. A combination of physical, agricultural and chemical prevention and treatment can be used to reduce the risk of pests to grapefruit trees and fruit, thereby improving the quality of fruit。
Currently, grapefruit is popular in the market, and many high-quality grapefruit varieties are growing on a growing scale, and friends who want to grow grapefruit must first fully master the technique。
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