Autumn and winter greenhouse eggplant fertilization management
In recent years, with the improvement of urban living standards, people's demand for eggplant has gradually increased in the winter. Therefore, the development of winter eggplant is of great significance for increasing winter vegetable color varieties and increasing farmers' income. The eggplant originated from the hot southeast Asia region, where it is hot and humid, but it is not tolerant to frost. Therefore, in order to grow winter eggplant in winter, it is necessary to prepare the following plants.
1. Greenhouse eggplant fertilizer and water management
In the south, we can use idle rice fields for planting. After the crops are harvested, we must pay close attention to plowing fields, weeds, and self-cultivation. Generally, 3000 kg of organic fertilizer is used per acre of point fertilizer to ferment, 40 kg of calcium and calcium phosphate, and 20 kg of potassium phosphate. Kg base fertilizer. If vegetable growers want to further improve the quality of eggplant, it is recommended that the majority of growers use some microbial fermentation fertilizers such as dichotomy microbial fertilizers as base fertilizers, because microbial fertilizer can increase the utilization efficiency of base fertilizers, and the secreted auxin will promote the growth of seedlings. After the fertilizer is used, cover the film and plant the seedlings, then cover the small arch. Planting spacing is 50 cm, and plant spacing is about 35 cm. After the colonization and survival, the seedlings were applied for one time and the first pods began to swell and then the second dressing was applied. After the third pods were harvested, the first 3-5 treatments were applied. The top dressing is generally suitable for chasing mature human and animal excrement, but the human and animal excrement that is decomposed by oneself may cause incomplete decomposition and burning of seedlings. Therefore, we recommend that the majority of vegetable farmers use commercial decomposing agents such as golden treasure organic fertilizer starter to make fertilizer. A mature fertilizer will not burn seedlings and it will be easily used by plants. During the fruit growing period, it needs more fertilizer and water. The foliar surface can be sprayed with potassium dihydrogen phosphate twice, and watering can be performed simultaneously with topdressing.
2 greenhouse eggplant nursery management
The sowing time of winter eggplant is very important, sowing too early, slow seedling slowing after planting, poor growth potential, sowing too late, most products can not be listed in the winter. Therefore, eggplant nursery management is also very important. Immediately after sowing, the eggplant should be covered with plastic film, and the film should not be removed until the seedlings are excavated. After sowing, it is necessary to promote early emergence. It is necessary to increase the bed temperature as much as possible, maintain sufficient moisture, and promote the emergence time. Eggplant seedlings are prone to shattering and blight, bed soil moisture control in 20% -25%. During the first half of transplanting, the seedlings should be exercised to enhance their adaptability. It is to remove the thin touch, gradually lower the temperature, and control the number of watering times. When the eggplant has 6-8 true leaves, it can be planted. Before the planting, irrigating water on the seedbed so that the root of the eggplant root is more soiled when transplanted, and the root water is poured after the planting to promote the rapid seedling growth.
3 greenhouse eggplant to prevent falling flower management
The early flowering temperature of winter eggplant is relatively low and it is easy to cause falling flowers. Therefore, flower preservation is a key measure for the cultivation of winter eggplant. With a concentration of 35 to 40prm 2,4 a D stigma or respectable flower smear when flowering, the effect is better. This procedure can also be performed using conventional flower retainers. The specific operating instructions are based on the instructions for use.
4. Greenhouse Eggplant Pest Control
Seed poisoning Immerse seeds in warm water at 50°C for 15 minutes, then place in cold water, or use 500 parts carbendazim.
Soaking seeds for 2 hours radically eliminates bacteria. When cultivated, cultivating, weeding, earth-cultivation, and deep-turning of the land are conducted in time to reduce the source of the disease, and the diseased plants are removed and burned in time. If brown and mildew disease occurs, use 75% chlorothalonil wettable powder 600 times or 500 times thiophanate-methyl to root. The main insect pests that damage winter eggplants are ocher worms and eggplant pods. Prevention and control methods with 50% phoxim 100 times better. Management details can be consulted: Beijing Huaxia Kangyuan Technology Co., Ltd. telephone toll-free hotline
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