2
1. What is pesticide？
1.1The definition of pesticide
(Chemical and biological drugs that can be used in controlling pests (insect pests, mites, nematodes, pathogens, weeds, and rodents) which had harmful on the production of agriculture forest and husbandry and regulating plants' growth )
the environment will be polluted by the remains in the packaging of pesticides.
24
4. Analysis of cause
4.1 Large number of the young rural labor goes out work, old man and younger left for the farm.
（eg. Prevention and control of weeds in paddy field with pesticide named Daojie, weeds were killed and rice were safe, it saved time and worker ）
It takes one day to kill weed in 1 acre While it takes only half an hour with Daojie
2005 2006 2007 2008 2009
The annual using was still growing at about 5%
2.2 The effect of pesticide
2.2.1 Prevention and control of diseases and insect pests
3.2.2 Using the wrong pesticide leads to phytotoxicity
injury caused by the herbicide used as insecticide.
22
3.3 Influence of use of pesticide on environment
Using the old manual sprayer can control 5-10 acres a day, while using new motor sprayer be able to control 40-80 acres one day, and the work efficiency varies greatly.
Without fungicide application
With fungicide application
1.2.4 Insecticide: pesticides that can be used in controlling insect and mite pests
Without insecticide application
Aged and young farming staff can not read, and can not understand pesticide usage.
It led to the abuse and misuse of pesticide, and cause crop injury and poisoning and other accidents.
3.3.1Pollution of soil and water
water pollution caused by remaining pesticides dumped into the river.
3.3.2 Packaging discarded at will cause pollution
Nobody extend the advanced knowledge and technology for lack of staff. Farmers lack of channel to learn and master advanced knowledge and technology Some farmers have ideological rigidity and they are not willing to accept the new knowledge, new technology. "
2.3.2 Pesticide pollution influences food safety and sanitation
number of poisoned people due to consumption of pesticide contaminated vegetables up to more than 8000 during 20022006.
1.2.2 Effects: Avoid weeds and crops contest for living
space and nutrient
Before herbicide application
After hБайду номын сангаасrbicide application
1.2.3Fungicide: pesticides that can be used in controlling plant diseases
The people does not wear protective equipment, easy to cause the pesticide poisoning.
3.1.2 Influence of spray dripping on people
Liquid of pesticide in contact with human skin, part of the crowd will be allergic or toxic.
The safe and scientific use of pesticides
1
Content
1、What is pesticide－－－－－－Zhu RongJie 2、Present status of pesticide application－Li JianGuo 3、Existing problems－－－Zhao Jing 4、Analysis of causes－－－－Shen Pei Lin 5、How to safe and scientific use of pesticide－－－－－－ Chen YiPing 6、How to strengthen management－－－－－Ling Tao
1.2 Taxonomy
Herbicide
fungicide insecticide plant growth regulator
of pesticides
1.2.1 Herbicide: Pesticide that can be used in elimination and controlling weed growth.
4.2 Pesticide cost
Highly toxic and residues of pesticides with low price The new and advanced pesticide with high price
加图片.
4.3 Knowledge of safe and scientific using pesticide does not reach the designated position
2.2.2 Increase production and yield
500 kgs per mu after using Tricyclazole to control rice blast,
2.3 Serious safety problems
2.3.1Pesticide poisoning endangers the life safety of producer a total of 240000 pesticides poisoning case occurred during 20022006, 25000 people died In recent years, with the high toxic pesticides banned, pesticide poisoning cases decreased.
4.5 Lax enforcement of legal rules
Part of highly toxic and carcinogenic pesticide residues have been prohibited sale in the market, but business still product and sale secretly.
4.4 Low penetration of new type high efficiency mechanical and pesticide
Using novel sprayer can improve the application efficiency, shorten the time of applying pesticide. Using new pesticides can improve control effect and reduce the spraying times. But many farmers still use the old manual sprayer and the bad effects of pesticides. It caused the consumed of labor and time.