Lawn is receiving more and more attention in landscaping projects. In the method of planting and managing turfgrasses, weed prevention and control of weeds and diseases are a major problem that plagues turfgrass workers. After many years of research, Shandong Agricultural Lawn Research Institute has selected and combined a series of special herbicides and fungicides for lawns from a large number of herbicides and insecticides.
I. Special herbicides for lawns
1. The grass is grass net. This product is a selective pre-emergent herbicide. It mainly controls grasses and some broad-leaved weeds. The effective period is 45 to 60 days, but it should be used with caution when cutting turfgrass and other new lawns The rear can be applied to avoid dangerous damage to the lawn. How to use: Use less instructions: Use a small amount of water dilution, mix with a small amount of sand and mix thoroughly, then put it in dry sand (50 kg of sand per 1 acre), mix thoroughly, and then sprinkle it evenly For lawns, spray water immediately to make the medicine closed. Use 150 to 200 ml per acre.
2. The lawn is broad and clear. This product is a selective post-emergent herbicide, which can control more than 40 kinds of broad-leaved weeds. It can be used in the 3 to 5-leaf stage of weeds. Apply the actual effect per acre. Use 150 to 200 milliliters per acre and spray the diluted solution 500 to 600 times. This product must be applied when there is no wind, so as not to drift to the surrounding shrubs, flowers and crops, and it should be used with caution when the ambient temperature is lower than 10 ℃. Heavy rain spray within 24 hours after spraying. This product has certain danger to the lawn seedlings. It can be applied after cutting the newly-built lawn pruning field.
3. Clean the lawn. This product is a non-selective systemic herbicide, and the actual effect when applied to weed leaves. For biennial weeds, use 500-700 milliliters per acre and spray the diluted solution 800-1000 times. Perennial weeds and broad-leaved weeds, 1000 to 2,000 milliliters per acre, diluted 500 to 600 times the dilution solution, spray again in case of rain within 8 hours after application. There are three types of instructions for using this product: one is to apply it before sowing in the lawn to kill all weeds. Second, for some lawns to be eliminated, the new lawns can be rebuilt after being eliminated with this product. Third, for some weeds that are difficult to remove, you can use this product to remove them. Do not spray this product on non-target green plants.