In recent years, the unique garlic has become a characteristic garlic, its price is four or five times that of ordinary garlic, and the planting area is also expanding. The formation of single-head garlic is affected by variety, environmental conditions and malnutrition. The influence of the factors, the following small series based on experience to do some how to control the formation of the head of garlic through cultivation measures, as well as the cultivation of high-quality and high-quality tips.
High-yield management tips for single-head garlic cultivation
1. Site selection
Choose sand or sandy loam to avoid continuous cropping, deepen the field before planting, and mature the soil. Before the sputum, 2000 kg of decomposed organic fertilizer, 50 kg of superphosphate, and 10 kg of potassium sulphate per mu. Fine land preparation, flat width by 1.2-1.4m in width and 5cm in height.
2, choose the species
The petal must be a small garlic clove. When the garlic cloves weighing 0.5-1g are used as the seed petals, the single head rate can reach 76%-92%; the single petal mass is 1-2g, and the single species rate can reach 40%. about. Of course, different varieties of small garlic cloves, there is a difference between the head rate and the quality of the single head. It is recommended to select suitable garlic plants that are suitable for local cultivation, and have a higher head rate and a larger head weight, such as red seven stars and two. Early varieties of water.
3. Determination of the sowing date
The sowing date of the single-headed garlic is very important. Early in the morning, the vegetative growth period of the garlic seedlings is long, and the accumulated nutrients are more, and it is easy to produce 2-3 garlic cloves. The sowing is late, the proportion of the single garlic is high, but the yield is extremely low, and the quality of the small independent garlic is only 3 -5g, can not meet the quality requirements. The autumn sowing area is generally planted about 50 days later than the garlic cultivation.
4, garlic treatment before sowing
The seed lobes were placed in a low temperature cold storage at 2-5 ° C for 50-60 days, and the rate of independent garlic was increased after cultivation. Soak in cold water for 6-12 hours before sowing, and mix with 50% carbendazim to kill the surface bacteria of garlic.
5, fertilizer management
Add organic fertilizer and phosphorus and potassium fertilizer, especially in the later stage of growth, pay attention to control the application of nitrogen fertilizer, and apply more phosphorus and potassium fertilizer. When seedlings 4-5 leaves, 5-10 kg of urea should be applied per acre to avoid the short-term "yellow tip" or "dry tip" phenomenon caused by insufficient fertility. In the garlic head swelling fertilizer (7-9 leaves), per acre can be applied to 12-20 kg of potassium sulfate, and increase the amount of water, so that the garlic quickly expands. In combination with plant growth, foliar application of potassium dihydrogen phosphate, garlic-specific multi-micro-fertilizer, etc., is used to increase yield and quality during bulb expansion.
6, pest management
The main pests and diseases of the head garlic include viral diseases, gray mold, purple spot disease and garlic mites, mites and thrips. Viral diseases can be eliminated by 3-4 years of rotation, such as aphids, thrips and other transmission media, or in the early stage of the disease, spray virus A and amino oligosaccharide-chain protein. Gray mold can be controlled by tebuconazole, iprodione, fludioxonil, or pyrimethamine. The purple spot disease can be controlled by carbendazim powder dressing or spraying carbendazim, chlorothalonil, metalaxyl, manganese zinc and prochloraz in the early stage of the disease.
Garlic stalks are generally severe in the single-head garlic stagnation period, and can be treated with biphenyl thiabendamine, beta-cypermethrin or dinotefuran, thiamethoxam and other nicotine pesticides. Aphids can be controlled by drugs such as imidacloprid and pymetrozine. The thrips can be controlled by thiazide, acetamiprid and the like.
7, harvest
When the pseudo stem becomes soft, most of the lower leaves are dried and then harvested in time. After the single-headed garlic for processing is excavated, the pseudo-stalks and fibrous roots are cut off in time to prevent sun and rain. As a fresh garlic market, after digging garlic, it should be dried in the sun for 2-3 days to prevent mildew.
The difference between a single garlic and ordinary garlic is not so obvious, but in order for everyone to be able to grow high-quality garlic, the above high-yield management measures are still necessary. I hope that the contents of Xiaobian can help the majority of garlic growers.
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