What kind of herbicide is used to weed in sweet potato field

Sweet potato in the growth period, grow a variety of weeds, if less is easy to say, can be pulled out manually, but more need to spray weeds, then sweet potato field weeding with what herbicide?

1. Shu Daan

Sweet potato field special herbicide can control all kinds of gramineous weeds in sweet potato field, and can also eradicate all kinds of broad-leaved weeds which are difficult to control. It can be used for stem and leaf spray, the dosage is 40-50 ml per mu, then 30 jin of water is mixed, and the stem and leaves are sprayed evenly. In case of high temperature and drought weather, water consumption can be increased appropriately.

2. Potato Noble

Sweet potato field special herbicide can control all kinds of Gramineae weeds in sweet potato field, and can also eradicate all kinds of broad-leaved weeds which are difficult to control. It can be used for stem and leaf spray, the dosage is 40-50 ml per mu, then 30 jin of water is mixed, and the stem and leaves are sprayed evenly. In case of high temperature and drought weather, water consumption can be increased appropriately.

In case of drought, low temperature and other adverse climate, it may have a slight impact on the roots and leaves of sweet potato, but it can recover in a short time and will not affect the late growth and yield of sweet potato.

3. Worry-free potatoes

A new special herbicide for weeding between rows of sweet potato seedlings this is a new special herbicide for weeding between rows of sweet potato seedlings. at present, it is the only post-seedling stem and leaf herbicide in China to control Gramineae weeds, broadleaf weeds and Cyperaceae weeds at one time. This product has a unique ternary asymmetric chemical structure and is relatively safe for sweet potatoes, mainly by inhibiting the biosynthesis of side chain amino acids in weeds. On the other hand, preventing the cell division of weeds leads to the direct death of weeds.

4. Metolachlor herbicide

The main results are as follows: (1) this product has the advantages of wide herbicide spectrum, safety to sweet potato and no effect on subsequent crops. Metolachlor is a selective pre-bud herbicide, which is mainly absorbed by weed buds, and its effective period can be as long as 60-80 days. And it has no effect on the following crops.

(2) Metolachlor herbicide can effectively control annual Gramineae weeds such as barnyardgrass, Patrinia, Setaria, Saxifraga, and broad-leaved weeds such as Chenopodium, abutilon, Solanum nigrum and amaranth. It has a good inhibitory effect on indigenous sorghum, Xanthium sibiricum, bauhinia, purslane and other weeds, but has no control effect on field flowers and other weeds.

(3) after closing the sweet potato ditch and breaking the soil, the wheat stubble field needs to remove the remaining wheat rhizome. After the sweet potato seedlings are transplanted, the sandy soil uses 96% Metolachlor herbicide 60-80 ml per mu, clay and loam use 96% Metolachlor herbicide 80-100 ml per mu, and then spray 90-120 jin of water evenly in the whole field. the weeds in the whole growth cycle of sweet potato can be suppressed with one drug.