A new type of grapefruit has been identified by the fujian non-main crops identification board as being the first to be found in the town of pinghsing. The only outstanding plant found in 1988 in the country's orchard was the mountain of zhumura。
The following characteristics are characteristic of the red nectar species:
(1) pre-maturized varieties
(ii) magenta, which is very different from the normal honeyfruit colour
(3) the early production of red honeyapple, the larger fruit, the abundance of nutrients, the greater size of the casserole petals, and the possibility of local woodification, accompanied by an increase in the age at which they are delivered, can be accompanied by the application of organic fattening to supplement the nutrients of red meatapple, the reduction of local woodization of red meatapple and the improvement of the efficiency of red meatapple cultivation. In particular, for several years on the market, the sale price has remained at 10 to 30 yuan/kg, which is higher than the normal price of honeyfruit and offers good prospects for development。
Park planning requirements
The right temperature should first be chosen for planting in the planning of the red meat and tea garden. In the case of red honey grapefruit, it is more appropriate to plant it in subtropical climates, with average temperatures between 16° c-21° c, in the coldest month of january between 8° c-15° c, in the hottest month of july between 27° c-30° c, ensuring that red honeyfruit is between 3° c-43° c, and in the area of ≥10° c with annual temperature of 2900° c-8458° c, providing the appropriate growth temperature for red honeyfruit cultivation。
In the selection of sites, in order to be effective in increasing the efficiency of mangrove cultivation, full consideration needs to be given to the accessibility of site-based transportation, the integrated planning and planting of orchards, the exclusive cultivation of mangrove varieties and the avoidance of mixing with other common varieties, mainly in order to avoid the confusion of pollen, which in turn affects the quality of redapple. Garden soil is bordered and sandy, fertile and rich in organic matter that can satisfy the nutrients required for the growth of red meat and honey grapefruit. In the case of planting in the hills, the depth of the earth layer should be kept above 1 m and the average groundwater table below 1 m。
High standard cultivation
(1) selection of excellent varieties. In the standardized cultivation of red meat and teafruit, in order to ensure the quality and productivity of red meat and honey, it is important to choose a high standard of good varieties, to ensure that the varieties are pure, strong and full, that there are no quarantine pests and diseases subject to rigorous quality tests, and that there is no significant mechanical damage。
(2) cave ready. In-situ cave preparation, the width and depth of the dens are 1 m, with no cavity of 3 to 4 floors containing either green or organic fertilizers of about 85 to 100 kg, and ash soil of 30 kg and lime 0. 5 kg are base fats, which were completed two months before the planting of the caves. Around 10 days before the planting of the den, the soil of 5 kg of livestock dung and 5 kg of fire and dust was evenly mixed。
(3) plantation methods. The seedlings are at the centre of the cave, holding pressure and irrigating sufficient moisture; the soil is re-established in such a way as to ensure parallel clay and roots and to cover the top with straw; and the soil is properly irrigated to ensure that it is fully humid and estranged and to increase its fertility。
Fertilizer water management
In the fertilization management phase, low management effectiveness will have a direct impact on the availability of sufficient nutrients and moisture for the growth of red meat and honey. In the second year of its cultivation, it began with full-scale cultivation during the planting of seedlings at an early age and was released every may-june from 10 to 12 december; first the stalls, then the range, then the dens and ditches, and then rotate and move. Digging on the outer edge of the original den, which is about 1. 30 m long and 0. 8 m wide, is gradually expanding with the growth of tree canopy. It is about 100 kg/m3 for the application of green fats, weeds and straws, which are fully decomposed, or for the application of animal dung, pond organic fats, etc. During the early winter season, flaming dust was applied around 10-20kg, while lime and calcium perphosphate were applied in approximately 0. 5 kg, fertilizing in layers to ensure adequate nutrient absorption。
Pest control
(1) basic care
Once the fruit harvest has been completed, it will be possible to trim the insect branches and dry branches in a timely manner, clear-faced dead branches, fallen leaves and decaying fruit, and to burn the weeds and dead branches together; to create good ventilation and light conditions, minimize the source of winter insects and create a good gardening environment. In early december of each year, 45 per cent of sulfur sulfur sulfur sulfur sulfur sulfur sulfur can be sprayed on fruit trees, while an appropriate amount of raw lime can be sprayed on the ground. At the same time, the development of insect pests in gardens can be contained in ways that protect natural enemies, choosing low-toxic insecticides where possible, and protecting natural enemies of pests while achieving effective disease control。
(2) biological control
Biological control is a more common and effective method of pest control, mainly by adding natural enemies of pests to parks, such as red spiders, which can be combated by increasing the catch of mites。
(3) chemical control
During cultivation, the main pests include red spiders, shellfish worms and rust spiders, while the diseases include black spots, brown plagues and charcoal scabies. Based on different pests and diseases, targeted and efficient anti-drugs are selected, pesticide by-product residues are minimized, and effects on the quality and yield of red nectar grapefruit are avoided, endangering people's health。
Old field micro-agriculture
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