What is the use of chlorpyrifos?

  It is a systemic selective herbicide. It can be absorbed and transmitted through roots and leaves. It has the best control effect on newly germinated weeds, and has a wide range of herbicides, which can prevent annual grass weeds and broadleaf weeds. So what is the use of chlorpyrifos?

use:

1. Selective homotriazine herbicides for both water and dry land. Has a systemic conduction effect. It can be absorbed from the roots, or infiltrated into the plants from the stems and leaves, transported to the green leaves to inhibit photosynthesis, and the weeds die and die.


2, long-lasting period of 20 ~ 70d, suitable for rice, wheat, soybeans, cotton, sugar cane, fruit trees, vegetables and other crops, to control annual broadleaf weeds, grasses, sedges and some perennial weeds, such as horses Tang, foxtail, valerian, ragweed, sapling grass, looking at Mai Niang, etc. and perennial eye vegetables, cattle grass and so on.


3, to control weeds in rice fields, 5 to 7 days after transplanting rice, 50% wettable powder 3 ~ 6g / 100m2 in the south, 9.8 ~ 15g / 100m2 in the north, mixed with wet soil 3 ~ 4.5kg. The water layer in the field is 3 to 5 cm, and the water retention is about 10 days.


4, to prevent weeds in dry land, in the wheat field, cotton, peanuts, soybeans before sowing or before sowing, with 50% wettable powder 15 ~ 22. 5g / 100m2, spray 4.5kg of water on the soil surface.


Precautions:


1. Strictly control the amount of application and the time of application, otherwise it will easily cause phytotoxicity.


2. Sand and soil with low organic matter content are prone to phytotoxicity and should not be used.


3. Do not loosen the soil or sputum half a month after the application, so as not to damage the drug layer and affect the efficacy.


4. Spray equipment should be cleaned after use.