When we think about salt, it is common to associate it with cooking, but did you know that this ingredient so present in our kitchens can also be an ally in the garden? The use of salt in gardening is a little-known secret, but it can bring surprising benefits.
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Salt, in addition to enhancing flavors in the kitchen, can play a vital role in the growth and health of plants.
The plants grow: Salt helps plants absorb more nutrients from the soil, stimulating their growth. This more efficient absorption of nutrients results in more vigorous and healthy plants. Therefore, salt also positively influences the production of sugars in the plant, essential for its growth and development.
More resilient garden: The balance in water absorption by the roots, provided by salt, strengthens plants against unwanted invaders and diseases.
Photosynthesis: Sodium, a key component of salt, is essential for the formation of chlorophyll, vital for photosynthesis, which is the process by which plants produce energy.
Healthier roots: The regulation of water absorption promoted by salt can prevent root rot, a common problem in potted plants.
Soil improvement: Adding salt to the soil can enrich it with minerals like potassium, magnesium and calcium, improving their quality. Additionally, salt can add texture to sandy soils, helping with water and nutrient retention.
Fewer funds: It can be effective in controlling powdery mildew and other fungal diseases.
The ingredient can be mixed into the soil during preparation or added after planting. The ideal amount depends on the type of salt, plant and soil conditions.
Another option is to spray a saline solution on the leaves, as it can help with photosynthesis and act as a fungicide.
Finally, salt can be effective against slugs and snails, just spread it around the plants.
Although salt offers benefits, it is essential to use it in moderation. Excess can be harmful, causing dehydration and even death of plants. So, follow the instructions for use and observe the plants' reactions.
In case of signs of stress, such as yellowing or wilting leaves, reduce or stop salt application.
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