The lawn has received more and more attention in the garden greening project. In the establishment and management of lawns, the control of weeds and diseases is a major problem that plagues lawn workers. After many years of research, the Lawn Research Institute of Shandong Agricultural University has screened and combined a series of lawn-specific herbicides and fungicides from a wide range of herbicides and insecticides.
1. Lawn-specific herbicide 1. Turfgrass and grass nets are selective pre-emergence herbicides, mainly for controlling grasses and some broad-leaved weeds, valid for 45 to 60 days, but for cutting the turf-type lawns with caution, other types The new lawn can be used after trimming once to avoid damage to the turfgrass. Usage: first dilute with a small amount of water, mix well with a small amount of sand, then put it into the dry sand (50 kg of sand per acre), mix well, then evenly sprinkle it into the lawn, immediately spray water to make the medicament Close the ground. 150 to 200 ml per acre.
2, turf broadleaf net product is a selective post-emergence herbicide, can control more than 40 kinds of broad-leaved weeds, the best effect in the weed 3 to 5 leaf stage. Spray 150 to 200 ml per acre and dilute 500 to 600 times to spray. This product must be used when there is no wind, so as not to be sent to the surrounding shrubs, flowers and crops, and be used with caution when the temperature is below 10 degrees Celsius. Re-spray in case of rain within 24 hours after spraying. This product has certain harm to the lawn seedlings, and the new lawn can be used after trimming once.
3, the lawn is cleaned this product is a non-selective systemic herbicide, the best application of weeds 4 leaves. For one or two year old weeds, use 500 to 700 ml per acre and dilute 800 to 1000 times to spray. Perennial weeds and broadleaf weeds, 1000-2000 ml per acre, diluted 500 to 600 times spray, and need to be re-sprayed within 8 hours after application. There are three ways to use this product: First, use it before the lawn is planted to kill all weeds. Second, for some lawns to be eliminated, the new lawn can be rebuilt after the product is removed. The third is to remove some weeds that are difficult to remove. Do not spray on non-target plants with this product.
Second, the lawn special fungicide 1, lawn brown disease can prevent the treatment of cold season turf spot disease, money spot disease, night spot disease and Pythium blight. Use before or during the onset of the lawn. Use 150 to 170 grams per acre and sneeze 600 to 700 times.
2. The lawn is mainly used for the treatment of Pythium wilt, summer spot disease, money spot disease and early stage of turf on cold season lawn. 200 grams per acre, diluted 500 to 600 times spray, spray once every 7 days, even spray three times.
China Compression Springs Stainless Steel Compression Spring
Compression Springs,Heavy Duty Compression Springs,Stainless Steel Compression Springs,Metal Springs Compression
applicaiton: viation,automotive, motorbike, bicycle, automatic equipment, household appliance, medical device ,toy, telecommunication,computer, instrument and meter,furniture, electric tools,mold and other industries
China leading manufacturers and suppliers of Compression Springs,coil spring,compress spring coil,Heavy Duty Compression Sprins,Stainless Steel Compression Spring,Metal Compression Spring, etc.
coil spring,compress spring coil,Heavy Duty Compression Sprins,Stainless Steel Compression Spring,Metal Compression Spring
Shenzhen Lanejoy Technology Co.,LTD , http://www.wire-spring.com