Why is it better to grow vegetables on the balcony and eat less?
With the popularization of the concept of healthy eating, many people pay more and more attention to food safety and advocate natural and pollution-free food.
Everyone thinks that "eating meat is afraid of hormones, being vegetarian is afraid of toxins, and drinking drinks is afraid of pigments", and they all grow vegetables on their balconies, hoping to eat with peace of mind. But is it really safe to grow vegetables on the balcony? The answer is not necessarily, but improper operation will bring potential risks.
1, soil
Since you want to grow vegetables on the balcony, you must have soil besides hydroponics. Where do people usually get soil?
Some people buy nutrient soil from flower shops, while others just dig some soil in flower beds, ruins or other places to save trouble. Don't think that all you dig up are treasures. If you are not careful, you may go to an invisible "poison source."
The soil may contain organic wastes, heavy metals such as lead, cadmium, arsenic and mercury, and radioactive pollutants such as slag and fly ash, which have great influence on the quality of vegetables.
Step 2: containers
Old foam boxes, abandoned wooden drawers, scrap metal barrels picked up outside, plastic bottles of all sizes and so on.
Generally, qualified foaming boxes are made of materials with relatively stable performance, such as polypropylene, but if they are inferior and unqualified products, toxic substances may be released after use.
Although some scrap iron barrels used for building decoration such as paint or latex paint are solid, there will be residual chemicals that are difficult to completely remove, which poses a safety hazard. Therefore, don't pick up garbage containers and grow vegetables just to save some investment.
3. Surrounding environment
Generally, vegetable bases are far away from urban areas. If your balcony environment is clean, that kind of food is very good.
But if it's near the road or other places where there is a lot of dust, you have to weigh it.
A large number of automobile exhaust, incomplete combustion of oil and coal emissions. , all contain polycyclic aromatic hydrocarbons that may cause cancer, and after entering the air.
These substances will be attached to the surface of plant leaves or deposited in the soil, which will be absorbed and metabolized by plant roots.
So be careful when planting vegetables on the balcony at home, so as to grow safe and healthy vegetables.
Why not suggest planting too many vegetables on the balcony?
1, too many vegetables and too much food will inevitably attract all kinds of bugs, including cockroaches! (Open balcony) Especially in residential areas, it will run up. I was very happy when I came to the place where there was food. Less but better, good management can also harvest food.
2, the choice and proportion of vegetables, leafy vegetables are delicious, but most of the fastest harvest takes about a month, and it will be bare after harvest. Plant those that can continue to pick leaves to eat.
3. The advantage of growing vegetables on the balcony is that it is fresh and pesticide-free, and delicious and nutritious! This is something that many people ignore. If all plants are the same, pests are more likely to flood.
4. It takes a lot of time to grow too many vegetables in the flowerpot. If you need to replant, disinfect the soil, change the soil and water it after harvest. , and will encounter various problems, such as balcony bearing, pests, diseases and so on.