Development and application of soil disinfestation machinery in China
Soil treatment machinery is the core technology for soil disinfestation.With funding from projects such as the National Key R&D Program,our country had broken through a series of technical bottlenecks and developed solid,liquid and flaming disinfestation technologies.All-in-one machine with soil disinfestation and straw returning to the field was developed,which adopted eccentric structure and reverse spin soil lifting technology,solid fumigants could be evenly distributed to the 40 cm soil layer.At the same dosage,compared with hand-spreading dazomet fumigation,strawberry production increased by 60.4％,and ginger yields by 26.9％to 53.1％.Using the soil lifting technology of the all-in-one machine,a flaming disinfestation machine using natural gas or butane as fuel was developed.The temperature of the box was 400-600 ℃ and the hold time was 2-3 s.The control effect of soil root-knot nematodes reached 100％and the control effect on weeds was more than 86.6％,the control effect of flaming disinfestation on soil pathogenic fungi ranged from 63.2％to 80.8％.The small wide angle liquid fumigants application machine was developed using an electric injection,which had a left and right swing mechanism.The machine applied fumigants evenly when turning during soil disinfestation.The above three types of fumigants application machines originally invented in our country had been widely used in Shandong,Anhui,Hebei,Yunnan,and other places,and had achieved good economic and social benefits.
万方数据
维普
