CN1930936A - Method of determining seeding amount for culturing machine transplanted strong seedling - Google Patents
Method of determining seeding amount for culturing machine transplanted strong seedling Download PDFInfo
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- CN1930936A CN1930936A CNA2006100965768A CN200610096576A CN1930936A CN 1930936 A CN1930936 A CN 1930936A CN A2006100965768 A CNA2006100965768 A CN A2006100965768A CN 200610096576 A CN200610096576 A CN 200610096576A CN 1930936 A CN1930936 A CN 1930936A
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Abstract
The method of determining seeding amount for culturing machine transplanted strong rice seedling is to determine the rice seeding amount based on the thousand grain weight of different rice seeds, the thousand grain weight of bud grains and the planting density of rice seedling so as to ensure the rice seedling density of 4-6 plants each 2 square centimeter and to ensure taking 4-6 plants each time of the rice transplanting machine operation. The said method can culture strong rice seedlings in reasonable density for high rice yield while saving rice seed and lowering production cost.
Description
Technical field:
The invention belongs to the paddy rice field of planting, relate in particular to the cultivation of machine transplanting of rice seedling rice shoot.
Background technology:
Along with improving constantly of agricultural mechanization, since 20 end of the centurys, rice transplanter progresses into the large-scale promotion operational phase, rice transplanter is ripe technically, move also reliable and stable, it will thoroughly change the paddy rice tradition Planting Patterns of " facing the loess back of the body towards the sky ", extremely vast farmers is liked, but because mechanized planting having relatively high expectations to rice shoot, if satisfactory rice shoot can not be provided, the machine rice transplantation meeting empty phenomenon of inserting that occurs being short of seedling, can the strong seedling rice shoot that be evenly distributed is provided be the key that can the decision rice transplanter large tracts of land be promoted, and utilizes traditional seedling raising method to be difficult to satisfy the machine transplanting of rice seedling taking requirement of rice transplanter.
The cultivation of machine transplanting of rice seedling at present comprises: seed bed preparation, bed earth culture system, lay cultivation dish, last nutrition soil, the steps such as moisture in the soil, experience sowing, covering, seedling management of revealing the exact details of spreading and sinking in.In above-mentioned cultivation step, density how to determine machine transplanting of rice seedling rice shoot is to satisfy the most basic requirement of machine transplanting of rice seedling, seeding quantity promptly how to determine different cultivars is the committed step that can decision nurture qualified machine transplanting of rice seedling rice shoot, machine transplanting of rice seedling rice shoot seeding quantity is determined with peasant's sowing experience (experience sowing) entirely at present, they heavily come to determine seeding quantity by bud paddy, and this seeding method has very big randomness.Gently have heavily because the seed grain of different cultivars heavily has, it is low that moisture has height to have, and sprouting has the long weak point that has, so determine heavily that with bud paddy seeding quantity is unscientific, can cause thickness of sowing unreasonable, is difficult to cultivate the strong sprout that Suitable Density satisfies machine transplanting of rice requirement.Seeding quantity is either large or small in existing breeding method, and seeding quantity is excessive, and premature rice is measured up to 350 gram/dishes (28 centimetres of 58 cm x), has so not only wasted seed, and can not cultivate strong sprout.Though high-density sowing is emerged and satisfied the machine transplanting of rice than multipotency and get the seedling requirement, can not breed strong sprout, seedling quality is not high, not only easily causes filament seedling, etiolated seedling, and rotten mildew and banded sclerotial blight etc. easily take place and causes dead seedling.Seeding quantity is too small, and the premature rice amount has only 80 gram/dishes (28 centimetres of 58 cm x), though easily cultivate strong sprout, but strong sprout, density did not reach the basic demand of the machine transplanting of rice, and rice shoot is counted deficiency in the machine transplanting of rice stripping and slicing, and the root system dish of rice shoot knot is bad, influence the machine transplanting of rice, easily cause leaking the slotting disconnected ridge, cave that lacks.
Summary of the invention:
The technical problem to be solved in the present invention is the deficiency that overcomes in the existing machine transplanting of rice seedling rice shoot cultivation, avoids determining the deficiency that seeding quantity is brought with peasant's experience entirely, and a kind of method of definite cultivating machine rice transplanting seeding quantity in strong sprout is provided.
The method of definite cultivating machine rice transplanting seeding quantity in strong sprout of the present invention, determine as follows:
1. according to different cultivars, determine its thousand kernel weight;
2. determine every weight that required seed rice is coiled in cultivation by 4～6 of per 2 square centimeters of premature rice, determine the gross weight of seed rice again according to total cultivation dish quantity;
3. by existing method seed rice is soaked vernalization, take by weighing the thousand kernel weight of bud paddy after immersion vernalization is qualified again;
4. determine every bud paddy weight that required seed rice is coiled in cultivation by 4～6 of per 2 square centimeters of premature rice, on cultivation dish to be sowed, evenly sow premature rice.
As to optimization of the present invention, press 5 definite seeding quantitys of per 2 square centimeters of premature rice in the present invention.
Since premature rice amount according to rice transplanter stripping and slicing seedling taking to seedling density requirement determine, promptly at 4～6 seed rice of per 2 square centimeters of premature rice, so just can satisfy the each stripping and slicing seedling taking of rice transplanter rice shoot to 4～6 strains, can not only guarantee that like this rice transplanter can both get rice shoot at every turn, it is empty slotting seedling can not occur not having, and can guarantee to educate strong rice shoot from rational planting density, for the output that improves machine-transplanted rice is laid a solid foundation.Adopt the inventive method, can improve the inherent quality of rice shoot, reach and cultivate strong sprout, the grown in field that is beneficial to after the transplanting is grown, and stripping and slicing is got the seedling requirement and improved machine transplanting of rice quality in the time of satisfying the machine transplanting of rice again.
Embodiment:
To cultivate for 5 mu of lands for growing field crops of the machine transplanting of rice " No. 7, military fortune round-grained rice " strengthening seedling of rice machine is example explanation the specific embodiment of the present invention:
The method of a kind of cultivation " No. 7, military fortune round-grained rice " machine transplanting of rice seedling seeding quantity in strong sprout, determine as follows:
1. determine the thousand kernel weight of " No. 7, military fortune round-grained rice ", the thousand kernel weight of this seed rice is 29 grams;
2. by 5 weight of determining every required seed rice of seedling cultivation dish of per 2 square centimeters of premature rice, every dish needs seed rice 117.74 grams in this example, the specification of seedling cultivation dish is 28 centimetres of 58 cm x, cultivates 100 dishes " No. 7, military fortune round-grained rice " the strong rice shoot of machine transplanting of rice seedling and needs 11.78 kilograms of seed rice altogether;
3. by existing method above-mentioned seed rice is soaked vernalization, take by weighing the thousand kernel weight of bud paddy after immersion vernalization is qualified again, this example is 37.7 grams;
4. determine every bud paddy weight that required seed rice is coiled in cultivation by 5 of per 2 square centimeters of premature rice, this example is 153 grams, evenly sows premature rice on cultivation dish to be sowed.
The seed rice seeding quantity required for different rice varieties is different, but it determines that method is all identical with example 1.
Claims (2)
1, a kind of method of definite cultivating machine rice transplanting seeding quantity in strong sprout, determine as follows:
1. according to different cultivars, determine its thousand kernel weight;
2. determine every weight that required seed rice is coiled in cultivation by 4～6 of per 2 square centimeters of premature rice, determine the gross weight of seed rice again according to total cultivation dish quantity;
3. by existing method seed rice is soaked vernalization, take by weighing the thousand kernel weight of bud paddy after immersion vernalization is qualified again;
4. determine every quantity that required seed rice is coiled in cultivation by 4～6 of per 2 square centimeters of premature rice, and then determine that every cultivation coils the weight of required bud paddy, on cultivation dish to be sowed, evenly sow premature rice.
2, according to the method for the described definite cultivating machine rice transplanting seeding quantity in strong sprout of claim 1, it is characterized in that: seeding quantity is 5 of per 2 square centimeters of premature rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100965768A CN1930936A (en) | 2006-09-28 | 2006-09-28 | Method of determining seeding amount for culturing machine transplanted strong seedling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100965768A CN1930936A (en) | 2006-09-28 | 2006-09-28 | Method of determining seeding amount for culturing machine transplanted strong seedling |
Publications (1)
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| CN1930936A true CN1930936A (en) | 2007-03-21 |
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| CNA2006100965768A Pending CN1930936A (en) | 2006-09-28 | 2006-09-28 | Method of determining seeding amount for culturing machine transplanted strong seedling |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160484A (en) * | 2011-03-08 | 2011-08-24 | 重庆市农业科学院 | Method for detecting optimal sowing density of crop |
| CN103283547A (en) * | 2013-06-09 | 2013-09-11 | 江苏沿江地区农业科学研究所 | Seedling colonization method for promoting rice tillering |
| CN103283349A (en) * | 2013-03-09 | 2013-09-11 | 黑龙江省农垦科学院水稻研究所 | A tray type seedling method by drilling |
-
2006
- 2006-09-28 CN CNA2006100965768A patent/CN1930936A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160484A (en) * | 2011-03-08 | 2011-08-24 | 重庆市农业科学院 | Method for detecting optimal sowing density of crop |
| CN103283349A (en) * | 2013-03-09 | 2013-09-11 | 黑龙江省农垦科学院水稻研究所 | A tray type seedling method by drilling |
| CN103283349B (en) * | 2013-03-09 | 2016-08-17 | 黑龙江省农垦科学院水稻研究所 | A kind of disc type drilling method for culturing seedlings |
| CN103283547A (en) * | 2013-06-09 | 2013-09-11 | 江苏沿江地区农业科学研究所 | Seedling colonization method for promoting rice tillering |
| CN103283547B (en) * | 2013-06-09 | 2015-01-28 | 江苏沿江地区农业科学研究所 | Seedling colonization method for promoting rice tillering |
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