Seasonal vegetables: what does seasonal vegetables mean? It's time for vegetables in season.
In the past, vegetables were limited by time, but now we have new technology, we can see all kinds of vegetables all year round, but now vegetables are not as nutritious as they used to be.
Each kind of fruit and vegetable has the most suitable growing season, which is called "seasonal fruit and vegetable". With the improvement of fruit and vegetable varieties and the progress of agricultural technology, it is no longer difficult to cultivate unseasonal vegetables and fruits, that is to say, as long as you want to eat all kinds of fruits and vegetables, you can eat them almost all the year round. However, due to the weak health of non-seasonal fruits and vegetables in the unsuitable growing season, the need to use more pesticide protection, and the price is more expensive than seasonal fruits and vegetables, so it is best to buy fruits and vegetables in season.
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Principles of food selection: what are the general principles of food selection and purchase?
The so-called food rich in the season is the most suitable for planting and mature ingredients in the current season. The ingredients in accordance with the natural law are not only fresh, good taste and high nutritional value, but also have a high ability to prevent insect pests in the current season. So, you don't have to apply a lot of fertilizer and spray.
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How to clean pesticide residues? how to clean vegetables pesticide residues? Cleaning of pesticide residues in fruits and vegetables
Nowadays, vegetables and fruits are sprayed with pesticides, and the pesticide residues are also very serious, so how can we clean them in order to make the less pesticide residues? Excessive nitrogen fertilizer for fruits and vegetables. Watch out for cancer. Eating fruits and vegetables is good for health, but excessive use of nitrogen fertilizer exists in
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