How do onions achieve high yielding? Onions are not only loved by many European and American countries, but also one of the main vegetables in China. The main producing areas of onions in China include Inner Mongolia, Shandong, Fujian, etc. It is one of the health vegetable varieties suitable for middle-aged and elderly people. Today, let's talk about the high-yield cultivation points of onions.
First, choose the variety
Onion varieties must choose excellent varieties, for example, it must meet the characteristics of high yield, strong disease resistance and storage resistance. Here is the suggestion of yellow skin number four, op yellow, etc. If you have other suggestions, you can leave a message below.
Second, soil preparation and fertilization
The roots of onions are shallow, so it is generally necessary to choose a land with fertile soil and good water retention and water retention. In terms of fertilization, it is recommended to spray evenly, and then to carry out ploughing, the depth of ploughing is preferably 20 to 25 cm.
Third, choose the seedbed
The seedbeds of most crops need to be selected in areas with high topography, dry land, good soil texture and high level of ground strength, as well as onions.
Fourth, disinfection of soil
Onion seedlings should be sterilized on the soil of the seedbed, which can effectively prevent the disease at the seedling stage. It is recommended to use 50% thiram or 40% seed dressing double or 50% carbendazim, etc., use 8 to 10g per square meter, use soil Stir well. One third is sprinkled on the seedbed, and two-thirds is covered with onion seeds after sowing. Another method is to use 40% formalin 30ml, then add water one hundred times to spray on the seedbed. . Note that after spraying, cover the seedbed with agricultural film, cover for four or five days, then remove the membrane for cultivating, and then plant it two weeks later.
Fifth, the preparation of nutrient soil
The seedbed soil needs to be kept fertile and loose, and the nutrient soil can be prepared according to the ratio of soil to fertilizer 10:1. The width of the seedbed is generally about one to five meters, and the ratio of the field to the seedbed is 15 to 1.
6. Seeding and seedling management
The sowing time is generally in the middle of September, when the seedling age is about 60 days, it can be transplanted. Onion seeding methods are mainly based on spreading, although ditching is also feasible. After the onion seeds are emerged, remember and time the seedlings and remove the weeds.
Seven, choose seedlings
When the onion seedlings are planted, they should be graded, such as stems of 0.4 to 0.6 cm and 0.6 cm to 0.8 cm. Remember to pour enough seedling water after planting.
Eight, field management
From late March to early April, it is necessary to pour the green water back. When the soil is frozen and frozen, the frozen water can be poured, which can effectively prevent freezing damage.
Nine, timely harvest
Note that it is forbidden to use any fertilizer or pesticide for 20 days before harvesting. When one third of the onion leaves turn yellow and the pseudo stems are soft, they should be picked at the right time. The best time to pick is usually on a sunny day. After harvesting, pay attention to drying in time and avoid direct sunlight.
The above is a high-yield cultivation method for delicious and nutritious onions. Of course, these planting technical points are for reference only. The specific operation technology needs to be determined in combination with the local environmental climate and onion planting varieties. It is recommended that you have more experienced and experienced farmers. Learn from it!
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The definition of Finished Pharmaceutical Product can be found in § 4 (1) of the Medicines Law. It reads: "Finished drugs are drugs that are prepared in advance and sold in specific packaging to the consumer..." The drugs are mostly in the form of tablets, capsules, drops, liquids, ointments and suppositories. For Phytotherapy (healing with plants) numerous drugs are also available in pharmacies in which drugs or drug preparations are processed. One distinguishes between the drug preparations: the chopped drug to prepare a tea, the milled drug (= drug powder) and the dried extract for the manufacture of tablets, capsules and pills, tincture for the preparation of drops and the fluid extract for juices, salves and other ointments to name a few. A finished drug with a drug formulation is called an "herbal medicine" or phytopharmacon (plural: phytopharmaceuticals).
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