Consultation: Want to apply biogas slurry to fruit trees for topdressing. Which technical points should be noticed? Answer: 1. The biogas slurry should be taken out from the normal biogas digester that can be ignited for more than five months; 2. The biogas slurry should be filtered with gauze to remove impurities to prevent clogging of the nozzle; 3. Spray frequency. Usually spray 7 to 10 days; 4. Spray time. When the temperature is higher than 25 °C, spray after 5 pm; when the temperature is lower than 25 °C, sunny 9:10 am spray (not spray at high temperatures at noon), not spray before the rain; 5. Application concentration. Seedlings and young leaves, biogas slurry and fresh water 1:2; old leaves, biogas slurry and clean water 1:1; high temperature 1:2, low temperature 1:1; 6. spray method. The main spray on the back of the leaf, with liquid beads covered with drip without the appropriate. In addition, about 7 days before the harvest of vegetables and other crops, biogas slurry should not be sprayed. Sweetener Aspartame,Sweetener For Food,Food Ingredients Aspartame,Sweeteners In Food Additives CHANGZHOU GUANGHUI FOOD INGREDIENTS CO.,LTD , https://www.gsweetfood.com