Alachlor

The time to control weeds is generally about 60 days.

Can be adsorbed by the soil, not easy to leaching, and not easy to volatilize.

Rice, sorghum, millet, cucumber, leeks, and spinach crops are very sensitive to it.

The depth of the mixed soil is preferably not more than 5 cm.

[Scope of application]

Suitable for crop fields such as soybean, corn, peanut, cotton, potato, sugar cane, rapeseed;

1 year old grass weeds and broadleaf weeds such as valerian, crabgrass, valerian, foxtail, autumn scorpion, arm-shaped grass, purslane, medlar, rotundous corn grass, alfalfa and alfalfa.

There is also a certain effect on the dodder.

Acetochlor

It lasts for 30 to 50 days in paddy fields.

When used alone, it can only be used for transplanting paddy fields. It is harmful to seedlings when used in polders and live fields.

However, the addition of safeners can make up for the deficiency. When the dosage is too large, the leaves of the seedlings, the tip of the leaves and the leaves are green and curled, and the growth of the plants is inhibited.

[Scope of application]

Applicable to rice control of alfalfa, bald oyster, thousand gold, goosegrass, cow felt, narrow leaf diarrhea, water leek, shaped sedge, broken sedge, clove scorpion, ragweed, etc. 1 year old grass undergraduate and broad Leaf weeds.

Butachlor

The residual effect period is about 60 days, which is effective for weeds and weeds before the 2-leaf stage.

Putian is used for 3 days after sowing, and the herbicidal effect is good; before or after herbicidal effect is general, it is easy to produce phytotoxicity in advance. Water can't drown in the heart.

Butachlor application in dry field applications requires application under soil wetting conditions.

[Scope of application]

It is suitable for weeding in cabbage, bean, radish, cabbage, solanaceous, spinach and other vegetable fields.

It can prevent annual grass weeds and some dicotyledon weeds such as valerian, crabgrass, foxtail, oxweed, ragweed, sage, and shaped grass.

It has an inhibitory effect on the ragweed and the intestines, and is ineffective against most broad-leaved weeds and perennial weeds such as dwarf sage, eyed amaranth, and water peanut. And for weeds, "only kill buds and not kill grass."

Ketochlor

The period of validity is about 40 days.

Cucumber is very sensitive to it, and its safety is worse than that of butachlor. It is not suitable for rice field, live field and seedling, weak seedling and water leakage.

Naproxil

The half-life is as long as 12 weeks, and it is effective in the pre-emergence or post-emergence 1 leaf stage. The wheat, the lily family, the leeks, the celery, the fennel, and the lettuce are sensitive to the grass.

Propisochlor

The shelf life is 60-80 days, which is safe for the crops.

It is not effective for perennial grass weeds and broadleaf weeds. The drug is suitable for mulching field, irrigated fields and summer crops and southern dryland applications. Rice buds are very sensitive to them.

Dibenzoylamine

The residual effect period is long. It takes about one year after application to grow wheat, etc., and only kill the weeds before germination.

Methionamide

It has a shelf life of more than one month and is used in paddy fields.

For the special effect of valerian, the rice is transplanted after 3 to 10 days, and the water-retaining layer is 3 to 4 cm. It should not be applied in the rice seedling stage, especially in the seedling stage.

Pirfenamide

The half-life of the soil is 16 to 20 weeks, which can prevent a variety of weeds in the wheat field.

Most of the "oxachlor" herbicides on the market are amide herbicides, mostly soil treatment agents, which are mainly applied before the crops are post-emergence.

Kids Medical Masks

Kids Medical Masks,3 Layer Face Masks,Kids Face Shield,Earloop Disposable Face Mask

Henan Diyi Medical Technology Development Co.,Ltd. , https://www.diyimedical.com