First, soil preparation, Shizu base fertilizer
During the whole growing period, no cultivating and weeding are generally carried out. Therefore, the basal fertilizer is applied before cultivation, and the plough is uniformly mixed with the soil, and the mulching is repeated several times to loosen the soil, and it is decided whether or not to irrigate the soil. The sorghum should be made into a "round sorghum" with a high slope in the middle and a gentle sloping shape on both sides. This squat surface tends to tighten the mulch and make close contact with the ground. It is 15 centimeters to 20 centimeters in height, 890 centimeters in width, and forty to fifty centimeters in width. It requires that the soil surface is flat and the soil particles are finely crushed. The quality of the cover film is the key to the success of cultivation. Immediately after the completion of the film, the film is covered and the film is evaporated by evaporation. The film can be three-fold, one is placed in front of the film, and the two are straightened on both sides. The cover is fixed, and the film must meet the standards of “tight, flat, and strictâ€.
Second, planting
The full range of starry nutrition bag seedlings was selected and planted 3 to 5 days after filming. Each row is planted in two rows and the spacing is forty-five centimeters. If early-maturing varieties are used, the density of colonization can be appropriately increased and the spacing of the plants can be changed from 25 cm to 30 cm. During planting, the plants were arranged in a wrong position and the membrane was marked with a knife to form a "10" shaped planting hole. The hole should be as small as possible. After planting, the rooting water was poured along the planting hole, and then the soiling hole was sealed with soil.
Third, fertilization and irrigation
Applying organic fertilizer and compound fertilizer before covering the film can ensure the nutrient requirement of each of the stars during the growth period of the full moon. Therefore, no fertilizer is generally applied at the early stage of growth. In the middle and late stages of growth, foliar dressing may be carried out, or a small amount of inorganic fertilizer may be applied along the planting hole using a top-dressing gun. The amount of irrigation should be appropriately reduced throughout the growing period. In the early stage, appropriate water control should be conducted to prevent premature death from causing premature death. In the medium term, it can be properly irrigated according to public opinion. When irrigating, a sharp metal tube can be placed in front of the watering pipe and inserted into the membrane obliquely by the planting hole. Gully irrigation can also be adopted, but flood irrigation should not be used, and water should be promptly removed after furrow irrigation. If a drip irrigation system is used, two dropper tubes are used for each turn. When the film is covered, the drip tube is placed under the membrane and the seedlings are planted along the drip line when the plants are planted. In this way, watering and fertilization can be performed via a dropper.
Fourth, high-pointing and pruning
The use of mulch covered shoots of buds germinating more, if not timely pruning and wiping buds, excessive growth of plants is not conducive to ventilation and light transmission, resulting in an increase of invalid blind squid, seriously affecting cut flower quality and yield. The use of a high-level picking technique can effectively prevent the occurrence of the pantheon rosette, that is, no conventional picking method is used during the growth process. After the plant has twitched about 30 cm, the growing point is removed from 5 cm to 10 cm below the apex, and the lower lateral branch is promoted to be neat. Sprouting takes place while sparsely basal parts of the rosettes are sparse, and nutrients are concentrated for the growth of shoots on the upper side. The high-level picking method can make the starry flowering high in order and does not affect the yield and quality.
Fifth, set up a stand to prevent lodging
After the cut flowers begin to be harvested, the remaining flowering branches tend to fall down, resulting in a decline in the yield and quality of cut flowers in the middle and later stages. Therefore, scaffolds need to be set up to support the plants. 25 cm 25 cm mesh size is more appropriate, when the net is every 3 meters to 5 meters to set up a bracket, both sides of the net with a thick nylon or iron wire through and pull tightly fixed at both ends of the jaw, make the net fully stretched tight. The height of the net is 25 cm to 30 cm from the surface, which is inconvenient to cut flowers. If it is too low, the fixing effect is not good.
VI. Pest Control
Common gypsophila diseases are mainly gray mold and stalk rot. At the beginning of gray mold, 50% acetaminophen or 70% thiophanate-methyl WP can be used 800 to 1000 times, or chlorothalonil 1000 to 1500 times. Optionally, one can be sprayed once a week. Four times. Covering the mulching film can reduce the amount of soil splashed on the stem base and greatly reduce the incidence of stalk rot. Once infected, the plants must be removed in a timely manner, and 75% of the dexamethasone WP 500 times solution is used to irrigate the planting hole at the soil and adjacent plant rhizosphere soil.
In the past few years, the most serious pest that damages the gypsophila is the leaf lamina. Leaves and leaves that are harmed by the leaf blade are eaten by larvae and form crooked channels. Only the white epidermis is left, and the entire leaf is severe. Withered yellow, growth is severely hindered. The better prevention and control methods for leafminers are insect source isolation, yellow sticky paper card trapping and chemical control. At present, the best control pesticides are 1.8% Efortune EC (3000 times liquid), 90% Bataan wettable powder (1000 times liquid), and 75% ciprofloxacin WP (5000 times liquid). Use, spray once every 7 days, continuous spraying 3 times as pest control and then focus on prevention. Spraying time before 10 o'clock in the morning and 16 o'clock in the afternoon had the strongest killing effect on larvae and adults.
VII. Harvesting and preservation
About 75% of flowers bloom in spring and about 50% of flowers in summer and autumn can be harvested when the flowers are open. If the harvest is delayed, flowers that are opened first are easily discolored. Because of the poor water absorption of the squid, the stars of the starfish are best to bring buckets to the field during harvesting. Immediately after squid cuts, they are inserted into the bucket to allow them to absorb enough water to prevent dehydration and desiccation. The sky-sheared stars in the field are packaged in a timely manner and entered the market as soon as possible or into the cold storage.
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