Neem is a plant that is easy to grow. Drought resistant. The more drought, the better flowering. Planting in many ways, It can grow better in any type of dry soil, Or can be planted as around the soil. The outstanding point is that it can be eaten rawly, drought resistant for 1 year, leaves can bloom for 3 cycles, compared with other plants within a year.
Neem can grow well in areas with moist and hot air with temperatures up to 44 degrees Celsius. The average rainfall is 450-1,150 millimeters/year and can grow in almost all soil conditions that are slightly acidic. The pH should be between 6.2-6.5 Including drought, rocky, clay and shallow soil, but areas that are always flooded and extremely saline. Neem grows very slowly or can die in saline water. Neem is a multi-purpose wood that can be used for almost all parts, such as leaves, flowers, bark, stems, and can be used for any of the following purposes:
1. To make oil from the seeds of a neem tree. Seed oil is used to treat skin diseases and insecticides.
2. Fertilizing the leaves and twigs will help improve the soil. Used to make compost and organic fertilizer Remnants of the seeds after squeezing the oil and then used as a good organic fertilizer. Note: It has many more nutrients than compost.
3. It is a Type of pests controller. Considered as a friend of farmers who need to pay attention to insects that are harmful to plants. In the past, Thai farmers still had very little knowledge about this. But now, we can grow knowledge with technology and use effecient positive and natural friendly ways to destroy bad insects with help of beneficial plants around us. This helps to overcome countless pest insects in a positive natural way.
In addition, the results of the experiments in the experimental field and the laboratory showed that the neem extract gave different insect prevention and control effects according to the type of insects, which can be divided into three groups:
Group 1 – is a group of neem extracts that give full efficacy, such as leafworm, wormwood, onion tube, vegetable fiber worm, leafworm, slug, orange glassworm, skullworm, aphids, aphids, etc. May need to use synthetic chemicals mixed with about 1-2 times, then gradually cut the amount of chemicals down. Until finally spraying only the neem extract.
Group 2 – It is a group of neem extracts that work moderately, which are cotton bollworms. Bean seedlings borer Orchid Borer Kale Top Borer yard-long bean borer Eggplant borer, larvae, aphids, cicadas, thrips, white fly, red mites, etc. This group of pests need to spray neem extract longer than the first group.
Group 3 – The group that Neem extracts are not effective against this group of pests. Since, this group is the adult body of all kinds of pests. This include the beetle eating flea, jumping bugs and wood mite, etc.
Neem is a medicinal plant in Thailand. The Herbal Association of Thailand has classified neem trees as a kind of herb by using parts of the tree to use as a treatment for many diseases.
Because neem is a herbaceous plant with few pests, such as ants and wasps during flowering only. Therefore, it does not need much fertilizer care. Hence, result in low-cost to produce high yield. Plus, Can clearly make the profit growth.