laitimes
return

Nowadays, people like to eat green foods, such as vegetables without fertilizers and pesticides. However, the worm does not let it, and it should eat and drink on vegetables, but it cannot always let it

author：Just work hard

#Summer Battle#

Nowadays, people like to eat green food, such as vegetables without chemical fertilizers and pesticides.

However, the insect will not let it, in the vegetables it should eat, should drink, can not let the vegetable farmer catch insects by hand, right? Therefore, spraying pesticides to kill insects is an indispensable vegetable management method today.

This is contrary to people's preferences, how to choose pesticides? #Agricultural Technology Science Contest Season 2#

Green pesticides have become the first choice, that is, plant-derived pesticides, animal-derived pesticides, microbial pesticides and other biological pesticides.

Among them, plant-derived pesticides refer to plant growth regulators derived from plants or plant extracts, such as pyrethroids, nicotine, rotenoids, veratene, matrine, rapelides and other plant growth regulators. #Share plant insecticidal tips#

Quinoa alkali is a plant insecticide, is the extract of white quinoa, has a touch killing and stomach toxicity effect, on vegetables, fruit trees, field crops on pests, such as green worms, aphids, thrips, midges, red spiders and so on have a good control effect.

Quinoa alkali is actually an extract of the root of quinoa, extracted with ethanol.

Nowadays, people like to eat green foods, such as vegetables without fertilizers and pesticides. However, the worm does not let it, and it should eat and drink on vegetables, but it cannot always let it
Nowadays, people like to eat green foods, such as vegetables without fertilizers and pesticides. However, the worm does not let it, and it should eat and drink on vegetables, but it cannot always let it
Nowadays, people like to eat green foods, such as vegetables without fertilizers and pesticides. However, the worm does not let it, and it should eat and drink on vegetables, but it cannot always let it
source Worms spider
Previous: A villager said that the neighbor planted a few acres of sweet potatoes, but he did not expect that the rain this year was so large, and the sweet potato stalks grew wildly. In order to control the sweet potato light long seedlings do not grow roots, the neighbors played a pesticide to control the prosperity,
Next: The man who does housework, the old handsome! But Zhang Jike was somewhat unconvinced [covered his face] After eating, the men in the family washed the dishes for whom, using the most primitive national method to decide, stone scissors cloth!

Read on