Herbicides factors on water

The first step, the selection of the amount of water required to consider the following factors:

1, pharmacy. In general, the tag type herbicides on water> inner suction-type herbicides, soil treatment agent> foliage treatment agent. Some herbicides on water but also according to their physical and chemical properties to be. Such as 2,4-D butyl ester is highly volatile, water power sprayer even though it is within the suction-type foliar herbicides, but water is not too low. Paraquat toxicity is higher, for water greatly help to improve the safety of humans and animals.

2, weeds. If the thin grass field grass small, less water; Conversely, should pay more for water. Liquid can be completely covered with weeds prevail.

3, the environment. When the weather, soil drought on water should be appropriately increased.

4, is used. On water quantity and mode of application, method of application, spraying equipment and other closely related, such as high Gallant can knapsack sprayer application, 20-30 liters of water per acre for using spray sprayer rod is 7-14 l; hand pressure sprayer single when taken with a low volume of water, with broadleaf herbicides when taking high amounts.

The second step, formally required before spraying the spray pressure nozzle flow and other technical indicators for the school setting.