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An ecological method for weeding and pest control
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A pest and ecological technology, applied in the field of precision grazing, weeding and pest control, can solve the problems of not reducing production, and achieve the effect of avoiding duplication, increasing time flexibility and improving efficiency
Active Publication Date: 2021-12-24
HUNAN AGRICULTURAL UNIV
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[0011] The technical problem to be solved by the present invention is to provide an ecological method for weeding and insect pest control in view of the defects in the existing farmland organic weeding, insect removal, and snail removal technologies, using biological control of weeds and insects, and producing large-scale Zhongdu achieves no use of chemical pesticides and ensures no reduction in production
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Embodiment 1
[0052] From March 2019 to July 2019, the ecological method of artificial precision duck grazing, weeding and apple snail removal for early rice was implemented in Quantang Group, Mingyue Village, Lukou Town, Changsha County, Changsha City, Hunan Province. The steps are as follows:
[0053] (1) On April 7, rice was planted with a drum-type direct seeding machine, and 10 rows were sown in each single pass, with a row spacing of 20 cm and a plant spacing of 13 cm, forming orderly rows and rows.
[0054] (2) No herbicides are applied before the whole field, and no herbicides are applied during the whole growth period of early rice; conventional water and fertilizer management.
[0055] (3) 22 days after the live broadcast, use poultry precision grazing rods to graze ducks to weed and remove apple snails, and the age of ducks is 39 days. The duck grazing pole is 10 meters long, covering 50 rows, with two ducks in each row, a total of 100 traction ropes, and the lengths of the two t...
Embodiment 2
[0061] From October 2019 to May 2020, the ecological method of weeding and pest control of rape artificial grazing chickens was implemented in Quantang Group, Mingyue Village, Lukou Town, Changsha County, Changsha City, Hunan Province. The steps are as follows:
[0062] (1) On October 29, rapeseed was planted with a drum-type direct seeding machine, sowing 0.4 kg of seeds per acre, with a row spacing of 40 cm; the spacing between the plants was irregular, in the form of straight points, forming orderly rows and between rows.
[0063] (2) No herbicides are applied before site preparation, and no herbicides are applied during the whole growth period of rapeseed; conventional water and fertilizer management.
[0064](3) 23 days after the live broadcast, use poultry precision grazing poles to weed the chickens. The poultry precision grazing poles are 10 meters long and cover 25 rows. Put 2 chickens with a chicken age of 50 days in each row, and connect them to the poultry with trac...
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Abstract
The invention discloses an ecological method for eliminating weeds and pests. The invention realizes precision, simplification and high efficiency of weeding and deworming of herding chickens or ducks, and solves the bottleneck problem of weeding and deworming. Solve the problem of strict chicken or duck age, seedling age and grass age through precise grazing of chickens or ducks, increase the flexibility of chicken or duck age, seedling age, and grass age, significantly improve the efficiency of grazing chickens or ducks, and reduce the cost of grazing chickens or ducks ;Slow down the injury of seedlings and grasses caused by the gathering of chickens or ducks in the process of grazing chickens or ducks.
Description
technical field [0001] The invention relates to the field of precision grazing, weeding and pest control, in particular to an ecological method for weed control and pest control. Background technique [0002] Weeds and insect pests are important factors affecting crop yields, especially in the south of the Yangtze River, where weeds and insect pests grow and multiply rapidly, which increases the difficulty of control. [0003] Weeds are one of the most important factors for crop yield reduction. Global agricultural losses due to weeds exceed 95 billion US dollars per year, while losses from diseases and insect pests rank second and third respectively. The area of weeds in China's farmland is about 78.8 million hectares, and the annual weed control cost is about 23.5 billion yuan, which still causes the loss of 14.6 million tons of grain, cotton and oil, and the direct economic loss is nearly 100 billion yuan. At present, in the world, the control of weeds in farmland is m...
Claims
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Application Information
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