Mechanized harvesting method for hybrid rice seeds
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A harvesting method and technology of hybrid rice, which is applied in hybrid rice seed production and mechanized harvesting of hybrid rice seeds, can solve the problems of ordinary farmers and achieve the effects of avoiding mechanical confusion, enhancing market competitiveness, and strong power
Inactive Publication Date: 2017-08-08
天津市农作物研究所
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Although research has been done on mechanized planting and harvesting of male parents, the use of unmanned helicopters for assisted pollination is relatively expensive. In addition, unmanned helicopter technology requires professional operation, which is difficult for ordinary farmers to quickly master, and will be unfavorable in popularization and application. less restrictive
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Embodiment 1
[0048] A hybrid rice mechanized seed production method is characterized in that it comprises the following steps:
[0049] 1. Preparatory stage:
[0050] (1) Bed soil preparation: mainly including techniques such as crushing soil, sieving soil, adjusting acid, mixing soil and fertilizer. Requirements: Mature, high organic matter, loose soil, good permeability, soil particle diameter 2 mm, water content 20%, add grass ash soil, humus soil or decomposed organic fertilizer, disinfection, disease prevention, pH value 5.5. Finally, the laser leveling instrument is used to level the field;
[0051] (2) Seed treatment: mainly including sun-drying, awning, seed selection, disinfection, seed soaking, dehydration and dehydration. Among them, the disinfection is mainly to soak the seeds with cyprostrobin, Junchongqing, etc. to eliminate rice blast, bakanae disease, bacterial blight, and dry acerbosis;
[0052] (3) Sowing: mainly including placing the seedling tray on the combined seed...
Embodiment 2
[0060] A hybrid rice mechanized seed production method is characterized in that it comprises the following steps:
[0061] 1. Preparatory stage:
[0062] (1) Bed soil preparation: mainly including techniques such as crushing soil, sieving soil, adjusting acid, mixing soil and fertilizer. Requirements: mature, high organic matter, loose soil, good permeability, soil particle diameter 1 mm, water content 20%, add grass ash soil, humus soil or decomposed organic fertilizer, disinfection, disease prevention, pH value 4.5. Finally, the laser leveling instrument is used to level the field;
[0063] (2) Seed treatment: mainly including sun-drying, awning, seed selection, disinfection, seed soaking, dehydration and dehydration. Among them, the disinfection is mainly to soak the seeds with cyprostrobin, Junchongqing, etc. to eliminate rice blast, bakanae disease, bacterial blight, and dry acerbosis;
[0064] (3) Sowing: mainly including placing the seedling tray on the combined seed...
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Abstract
The invention relates to a high-efficiency and simple method for performing mechanized harvesting on hybrid rice seeds by utilizing a harvester. The method comprises the following steps: planting female parents by adopting a riding rice transplanter, controlling the line spacing to be 30 cm, controlling the hill spacing to be 14-16 cm, and planting male parents by adopting the rice transplanter; simultaneously planting the female parents and the male parents in two lines in a mechanized manner, wherein the inter-planting line ratio of the male parents to the female parents is 2:6 or 2:12; preparing a lifting rotary cultivator according to tractor requirements, pulling a thick nylon rope of 2-4 cm for performing mechanized supplementary pollination, and maintaining a constant speed of 20 km/h for moving forwards; finally, completely harvesting the male parents around a seed farm by adopting the harvester, harvesting the female parents by adopting a KubotaPRO888 or KubotaPRO788 rice harvester, and harvesting the residual male parents by using harvesters of other brands. According to the method disclosed by the invention, the harvesting mechanization of the hybrid rice seeds is realized, the seed production efficiency is improved, mechanical mixing of the male parents is avoided, and the aim of efficiently and simply producing the hybrid rice seeds is achieved.
Description
technical field [0001] The invention belongs to the technical field of agricultural production and relates to a hybrid rice seed production method. More specifically, it is a method for mechanized harvesting of hybrid rice seeds. Background technique [0002] As far as the applicant knows, the successful development of hybrid rice has played an important role in ensuring world food security. However, since the production process of hybrid rice mainly includes many links such as seedling raising, transplanting, seed production, and harvesting, it is a labor-intensive technology and the production efficiency is relatively low. Therefore, the development and promotion of hybrid rice variety breeding and seed harvesting techniques suitable for mechanized operations will not only help reduce labor intensity and costs, but also help increase agricultural productivity and farmers' income. In the existing reports and patent applications, the following aspects are mainly concentrat...
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