Zhejiang Science Edition Elective 2 Section 2 "Prevention and Control of Plant Diseases and Insect Pests and Animal Diseases" ppt According to the estimation of the Food and Agriculture Organization of the United Nations, the world ’s annual loss of diseases, insects and grass diseases accounts for about one-third of the total grain output, of which 10% is due to diseases 14% loss due to insect damage and 11% loss due to grass damage. In addition to the loss of production, crop diseases and insect pests can directly cause the quality of agricultural products to decline, rot, mildew, etc., nutrition and taste will also change, and even produce toxic and harmful substances to the human body.
Material: Steel
Specification: 70kg 120kg 180kg 200kg
Net Post High: 155cm
Net Post Diameter: 4.2cm
Net Post Base: (Length * Width * High)
70 KG:L(52 )cm×W(27)cm×H(8)cm
120KG:L(48 )cm×W( 28)cm×H(12.5)cm
200KG:L( 48)cm×W( 28)cm×H( 16.5)cm
Color: Blue Red
Advantage:
1.Professional development, high-end quality
2.Safe and sound, strong and durable
3.Scientific design, convenience and safety
Badminton Net Post, Net Post, BWF Approved Net Post
Shijiazhuang Enlio Sports Goods Co., Ltd. , https://www.enliosports.com