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How to identify vegetables with pesticide residues or hormone-induced growth?
2021-05-19 849
How to identify vegetables with pesticide residues or hormone-induced growth? Notify you of three easy ways to select Yuanfeng vegetables for distribution.1. Do not buy vegetables with abnormal shapes and colors. Abnormal vegetables may have been treated with hormones. For example, leek, when its leaves are particularly large and thick, twice as wide as the general leek, it may have used hormones
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How to control food quality in Jiangmen canteen contracting?
2021-05-19 868
1. Safety handling methods for food storage in canteens contracted:1. Record statement of food materials purchase in warehouse account.2. Specific Measures for Environmental Sanitation and Safety Guarantee of Food Purchase Contracted by Canteens1. Source of material purchase: hygienic and safety treatment methods of vegetable and fruit pesticide residue food, strict implementation of regulations t
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How to avoid leftovers when contracting for Jiangmen canteen?
2021-05-19 891
Usually, leftovers are very common in our daily life, especially in a canteen that contains hundreds of people, the liquidity of the dining staff is uncertain and the tail dish is very simple. As a canteen contractor, we really need to adopt some measures to avoid waste and the phenomenon of leftovers. So how to avoid leftovers in canteen contracting? What about leftovers? Let's get to know.1. Th
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Vegetable Hot Water has a knack of keeping nutrients from losing
2021-05-19 815
1. Full firepower, sufficient water and short timeThe strong firepower keeps the water boiling all the time, and enough water ensures that it will not cool down by adding water in the middle. In boiling water, the oxidase in vegetable quickly loses its activity and there is almost no oxygen in boiling water, thus increasing the oxidative loss of vitamin C and other nutrients.2. Refueling with salt
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What are the causes of problems in melons, fruits and vegetables?
2021-05-19 891
1. Temperature is not suitableMelon vegetables suffer from high temperature and cold injury during their growing period, especially low ground temperature, which causes root dysplasia and reduces their absorption ability, resulting in insufficient nutritional supply of melon strips and melon melon.Temperature is very important for greenhouse cultivation. When the daytime temperature in greenhouse
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What are the health effects of pollution-free vegetables?
2021-05-19 889
1. Ordinary vegetable mineral content is only one-half or two-half of the pollution-free vegetable mineral content.2. Eating non-polluting vegetables can increase the time of eating polluted vegetables and the time of pathological changes.3. The content of trace metals in pollution-free vegetables is also relatively low.& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;4. According to some examples,
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Fertilization techniques for leafy vegetables, fruit vegetables and root vegetables are different.
2021-05-19 906
Leaf vegetables. There are mainly Chinese cabbage, green vegetables, spinach, amaranth and so on. Nitrogen fertilizer is the main topdressing fertilizer for leaf vegetables, but it is necessary to apply more phosphorus and potassium fertilizer at the same time when nitrogen fertilizer is applied at the peak growth stage. For example, cultivation of Chinese cabbage, the key to high yield is to gras
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Vegetable planting and watering need to be understood
2021-05-19 850
Vegetable seedlings need little water, but careful management is needed to cultivate strong seedlings of suitable age. Before sowing, it is necessary to water the seedbed thoroughly. After seeding, it should be sown. After sowing, it should not be watered with masked water. The seedling stage should generally keep the seedbed wet. If the seedlings grow longer, the seedling piers can be strengthene
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Careful use of garlic before planting vegetable to make garlic seedlings emerge early
2021-05-19 836
1. Drug-water treatment: soak seeds for 8 or 9 hours, then put them in a cool place, covered with fine sand or loess, so as to accelerate early onset.2. Hydraulic treatment: first, mix the garlic in 70% cool water and 30% human urine, soak it in the water for 2-3 days, then remove it and dry it and sow it. This way, not only can the garlic emerge early, but also the garlic seedlings grow very stro
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Pay attention to buying the following vegetables, not carelessly
2021-05-19 854
Too hard tomatoesThe harder the tomatoes are, the more phytohormones they use, the better not to buy them, or maybe not to eat them right away. Let it last for two or three days until it softens naturally. At this time, the unhealthy erythropoietin has also lost its release. In addition, red and green tomatoes can be related to ripening agents.Shallow green leafy vegetablesVegetables grown in gree