Neem in agriculture: uses of neem oil or powdered neem oil for the care of ornamental plants or gardens. Advice and methods of use.
Even if theneem oilis the best known remedy, inbiological agriculturetheneem powderorneem flour. If the oil is mainly used to protect crops from parasites, neem flour is used as a soil conditioner and fertilizer to allow for optimal plant development.
Neem in agriculture
L'Neem tree, botanically called "Azadirachta Indica", Is typical of the subtropical areas of India and also grows spontaneously in Africa, Central America, the Caribbean and the Philippines.
The neem tree is impressive, just think that it can reach and exceed 30 meters in height. L'Azadirachta indicatesit has been known for over 2,000 years, belongs to the Meliacee family and is an evergreen species popular for its properties exploited in various sectors including agriculture. Thanks to its active ingredient, theneemit has earned the nickname of natural insecticide or plant insecticide.
Both the flour and the oil are obtained from the pressing of neem seeds. With the flour, the seeds are completely ground while with the oil only the liquid is extracted.
Neem flour in agriculture
Neem flour is widely used in biological agriculture, and performs different functions. It is used assoil conditioner,as a fertilizer and to protect plants from various parasites that could damage the root system of the plant.
In particular, Neem flour protects plants fromnematodes,ants, terricolous larvae and various parasitic insects. Increases soil fertility by improving soil structure and providing valuable nutrients.
It is a plant-based amendment, completely organic and with strong antifungal properties. Due to its characteristics, theneem flour in agricultureit is also widely used for greenhouse cultivation.
Why is neem flour used in agriculture?
- Because it slows down the transformation and leaching of nitrogen.
- It increases plant growth and strengthens the roots.
- It improves the endogenous resistance of plants to parasites.
- Prevents the appearance of cryptogamous diseases.
How to use neem flour in agriculture
Neem flour can be mixed with any nitrogen-based fertilizer and added to plants during the classic fertilization. Always in combination with nitrogen fertilizers, it can be buried at the time of soil preparation (deep digging, preparation of the seedbed, plant layouts ...).
Although neem flour is widely used in organic agriculture, it is still difficult to find at common garden centers. You can try to buy it from a well-stocked agricultural consortium or by taking advantage of the online purchase. Among the various products, we point out the BioMagno Neem Flour (100% natural and organic). On Amazon, a 1 kg bag of Neem flour can be bought at a price of 21.70 euros with shipping costs included. For all information, I refer you to the "product sheet".
Generally, each manufacturer adds information on doses and methods of use on the label. As for the product I have recommended, here are some tips for correct use:
- Add it to every racking for pot cultivation.
- For potted plants, add 50 grams of powdered neem (or neem flour) for every 100 liters of soil.
- In the vegetable garden, 4-6 kg underground for every 100 square meters of land. Add it when preparing the soil using a medium depth dig.
- You can also add it directly to the ground surface. In this case, sprinkle 3 - 4 kg per 100 m2 by performing two interventions.
- If you have few plants in your garden, add 20 - 30 grams of neem flour to the foot of each plant.
Neem oil in agriculture
To fully exploit the anticryptogamated effect, the Neem oil-based solution should be stirred continuously even during use.
For all information: neem oil in agriculture