2017 autumn sowing garlic field easy to grow what weeds? How to do chemical weeding?
It is one of the main pests that affect the yield and quality of garlic because of its long-term occurrence, many species and serious harm in the autumn garlic planting period. How to do a good job of chemical weeding in garlic field is one of the necessary prerequisites to ensure the normal growth of garlic, so what are the main weeds in autumn sowing garlic field? How to carry out chemical weeding?
There are two peaks of weeds in garlic field: one is from sowing to seedling stage (before winter), and the other is from the beginning of spring to bolting.
What are the main weeds in autumn sowing garlic fields?
The main weeds in garlic field are:
Gramineae weeds: Euphorbia angustifolia, Magnolia angustifolia, Setaria angustifolia, Elymus vulgaris, wild oat, barnyardgrass, etc.
Broad-leaved weeds: pig calamity, cow plume, shepherd's purse, mother-in-law, Artemisia annua, gray vegetable, quinoa, wheat, Xanthium, purslane, ear, field spiral flower and so on.
How to carry out chemical weeding?
1. Use 44% E per mu. Oxygen. Acetochlor (pendimethalin + ethoxyfluoxane + Acetochlor) 150ml.
2. 33% pendimethalin EC 100 ml + 24% ethoxyfluoxane 40 murmur50 ml + 50% Acetochlor 50 murmur100 ml per mu.
3. For wild oats and mildew, add Jindur (960 g / L Metolachlor) 50 murine 65 ml per mu.
In the above formula, the dosage of water is 30ml / mu and 45kg / mu. After sowing and covering the soil, the garlic is sprayed, and then covered with plastic film. If the soil is dry, spray water after planting garlic, dry and then spray to cover the film.
Note:
1. When spraying, we should pay attention to soil moisture, neither drought nor waterlogging, spray water to make soil moisture and then use medicine when the soil is wet. 75-80% of the soil water content should be used after drying when the soil is moist.
2. Be sure to exchange the medicine evenly, use enough water, and spray it thoroughly.
3. Attention should be paid to the dosage of Acetochlor. Too much Acetochlor is easy to cause drug damage, garlic becomes smaller, and affects the next crop.
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