Neem Oil Emulsifier - Agrosurf NOE

Updated: Jun 29, 2020

A Natural Pesticide

Not many safe non-toxic pesticides are available for use but having one that is natural is an additional bonus. Neem oil fits these criteria and can be safely used on crops, leaves no dangerous residue in the soil and can effectively reduce or kill pests as well as acting as a fungicide. Agrosurf NOE has been developed to act an emulsifier so the oil can be easily added to water prior to use.

Neem Oil is a vegetable oil pressed from the fruits and seeds of the Neem tree, Azadirachta Indica, and contains a natural Insecticide, acaricide and fungicide called azadirachtin, a complex triterpenoid. It is not strictly a juvenile hormone mimic but has a more complex spectrum of activity. It acts as a potent antifeedant and affects insect metamorphosis and development. In addition to azadirachtin, neem extracts contain compounds with antifeedant, repellency, growth regulator and oviposition deterrent activities and extracts of neem seeds have been registered as pesticides for use in controlling several insects affecting ornamentals and horticultural crops. Neem Oil is not known to be harmful to mammals, birds, bees and earthworms.

Neem oil as a Insecticide

Neem Oil works from inside the plant as it is a systemic insecticide, which means that in addition to foliar spraying a solution can be poured onto the soil, or container compost and the plants will absorb it, they take it up into their tissue, and it works from the inside.

This means it is absorbed by the plant and distributed throughout the tissue. Once the product is in the plant’s vascular system, insects intake it during feeding. The compound causes insects to reduce or cease feeding, can prevent larvae from maturing, reduces or interrupts mating behaviour and, in some cases, the oil coats the breathing holes of insects and kills them.

It is a useful repellent for mites and is used to manage over 200 other species of chewing or sucking insects, including: Aphids Mealybugs Scale Whiteflies

Neem oil as a fungicide

Neem oil fungicide is useful against fungi, mildews and rusts when applied in a 1 percent solution. It is also deemed helpful for other kinds of issues such as: Root rot Black spot Sooty mold


Neem oil is a dark liquid in its normal state and to convert the form into a sprayable liquid Lankem has developed an emulsifier system that produces a nice free flowing emulsion in an aqueous environment.

Typical formulations:

This is a typical formulation and a dosage level of 5% is more than sufficient to offer good performance. The Neem oil levels can be increased but the ratio of oil to emulsifier must be maintained at 5:1 ratio. As this is an oil in water emulsion the neem oil level must always be less than the water level. Going above will swap the emulsion to a water in oil and will drastically change the emulsifier performance.


Mix the oil and Agrosurf NOE together, then add to water and mix.

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