Control of pollution-free Weeds in Sweet Potato

The common herbicides of sweet potato are as follows:

(1) 70% wettable powder, 3000m ~ 3750g / ha mixed with 450g / ha of water, was applied immediately before or after planting sweet potato. The main control measures include Triticum aestivum, Magnolia mandshurica, barnyardgrass, dogtail grass, ryegrass, quinoa, Polygonum polygonum, etc., which are safe for the following crops.

(2) 72% EC in Duer, 1.5: 2.25 litres per hectare mixed with 450 litres of water, applied immediately before or immediately after planting after soil preparation. Shallow soil should be mixed under dry conditions. It is safe for the following crops to control barnyardgrass, Magnolia, Euphorbia angustifolia, Kentucky bluegrass, eyebrow grass, arm grass, ryegrass, tiger grass, mustard, small wild sesame, oil sedge, water thorn needle, dodder and so on.

(3) Dahuili (Acetochlor, oxalamide) 50% wettable powder, 1500 ~ 2250 grams per hectare, 600 ~ 750 liters of water, applied immediately before or after planting sweet potatoes, and irrigated immediately after application under dry conditions. Mainly control wild oats, barnyard grass, horse tang, dogtail grass, see wheat Niang, Kentucky bluegrass, cow tendon grass, wild quinoa, pig seedlings, wisps and so on. The dosage is less than 2250 grams per hectare, which is safe for the following crops. More than this amount, the next crop of rice, wheat, barley, sorghum, corn and other Gramineae crops will cause drug damage. Other herbicides include trifluralin, fruit, high efficiency cover grass energy, Hornus, Jing Jing Shu Di, Jing Gao Ke, Nong Si it, Najiaojing, Shoulotong, Weiba.