CN103858655A - Sweet potato seedling growing method suitable for center area of Guizhou - Google Patents
Sweet potato seedling growing method suitable for center area of Guizhou Download PDFInfo
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- CN103858655A CN103858655A CN201410124832.4A CN201410124832A CN103858655A CN 103858655 A CN103858655 A CN 103858655A CN 201410124832 A CN201410124832 A CN 201410124832A CN 103858655 A CN103858655 A CN 103858655A
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Abstract
The invention discloses a sweet potato seedling growing method suitable for the center area of Guizhou. The method comprises the steps of (1) soil preparation and seed bed making, (2) seed bed and greenhouse sterilization, (3) sparse arrangement of mulching films, (4) light temperature management, (5) water and fertilizer management, and (6) seedling picking. The sweet potato seedling growing method suitable for the center area of Guizhou is selected and designed according to the conditions of the center area of Guizhou, operation at all seedling growing stages is optimized, all steps are selected reasonably, and thus seedling emergence speed, the output of seedlings and the quality of the seedlings of sweet potatoes can be effectively improved.
Description
Technical field
The present invention relates to agricultural technology field, the sweet potato seedling-cultivating method in area in especially a kind of applicable Guizhou Province.
Background technology
3,800,000 mu of the existing sweet potato areas in Guizhou Province, in Guizhou Province, area is the sweet potato main producing region of this province, in the past, the seedling raising manners in this region all adopts open country epiphragma technology.Employing open country epiphragma technical operation is convenient, small investment, but speed of emergence is slow, output of seedling is few, seedling matter is poor.
Summary of the invention
The object of the invention is: the sweet potato seedling-cultivating method in area in a kind of applicable Guizhou Province is provided, and it has solved the problem that in Guizhou Province, regional sweet potato speed of emergence is slow, output of seedling is few, seedling matter is poor.
The present invention is achieved in that the sweet potato seedling-cultivating method that is applicable to area in Guizhou Province, comprises the steps:
1) make bed wholely: 3-5 days before potato seed discharge, leveling soil, in canopy, the little water of spray, makes ground evenly reach moisture state; Draw the furrow of canopy arch trend, furrow face width 1-1.2m, bed soil evenly spreads fertilizer over the fields in furrow face by 5kg/ ㎡ high-quality barnyard manure and 50g/ ㎡ composite fertilizer, and fertilizer and topsoil are mixed;
2) seedbed and greenhouse sterilization: the carbendazol wettable powder that is 50% by mass percent, every mu of consumption is 1kg, spreads fertilizer over the fields on seedbed, carries out nursery bed disinfection; Greenhouse sterilization is by every 100m
2with 300g Cosan and 500g sawdust, start Smudging sterilizing diel at 18:00-20:00, when fumigation, keep indoor temperature at 18-25 ℃, kill the germ of greenhouse inner surface;
3) rare row is covered mulch film: by the potato seed of choosing, soak seed after sterilization; Potato seed is sequenced, with spade, furrow back of the body soil has been dug to training and become the low bank of earth between fields to both sides, seedbed, tread, form the high furrow of furrow face and carry on the back low seedbed, ground, in order to accepting more sunlight, heat rapidly; Then cover fine earth, do not reveal potato seed after flat and be as the criterion to cover, finally cover mulch film;
4) light temperature management: keep good illumination condition between nursery stage, after seedling is neat, heat-insulating film for greenhouse is rolled daytime, and solar irradiation heats, night covering and heat insulating;
5) water and fertilizer management: before and after emerging, keep soil moisture abundance, cutting seedling first 3 days, water once permeable, in case hardening lack of water; Cutting after 2 batches of seedlings, evenly spread fertilizer over the fields the fertilizer of the harmless treatment of fermenting, then water;
6) collect seedling: in the time that height of seedling is 20-25cm, can cut seedling, cut seedling and carry out hardening in first 3 days, cutting for the first time seedling must be timely, otherwise can affect later stage seedling growth and output of seedling because of apical dominance effect and nutrient consumption.
The sterilization of soaking seed in step 3) refers to, the topsin solution seed soaking that employing mass percent is 50% 10 minutes.
Described in step 6) cut seedling time, clip is apart from furrow face 3-5cm, a bundles are pricked in every 100 strains, put shady and cool place, prevent from overstocking causing that heating hinders seedling.
28-30 ℃ before seedling bed temperature remains on and emerges, 25-28 ℃ after emerging carries out hardening at 18-22 ℃ before collecting seedling, collect seedling in time, prevents closing phenomenon.
In order to verify experiment effect of the present invention, inventor was in 2012, breed 30 mu of No. 2, Sweetpotato Guizhou Province potatos in Jin Zhu town, Guiyang City, Guizhou according to the present invention, adopt conventional seedbed system method to compare simultaneously, result shows, 8 days in advance, 7 days in advance neat seedling stage, hundred seedling anharmonic ratio conventional methods increase by 26.6% to adopt this method seedling-growing time.
Owing to having adopted technique scheme, compared with prior art, the present invention is according to the condition in area in Guizhou Province, a set of applicable sweet potato seedling-cultivating method has been formulated in screening, operation to each stage between nursery stage is optimized, choose reasonable between each step, can effectively improve speed of emergence, output of seedling and the seedling matter of sweet potato.The present invention is simple, and result of use is good.
Embodiment
Embodiments of the invention: be applicable to the sweet potato seedling-cultivating method in area in Guizhou Province, comprise the steps:
1) make bed wholely: 3-5 days before potato seed discharge, leveling soil, in canopy, the little water of spray, makes ground evenly reach moisture state; Draw the furrow of canopy arch trend, furrow face width 1-1.2m, bed soil evenly spreads fertilizer over the fields in furrow face by 5kg/ ㎡ high-quality barnyard manure and 50g/ ㎡ composite fertilizer, and fertilizer and topsoil are mixed;
2) seedbed and greenhouse sterilization: the carbendazol wettable powder that is 50% by mass percent, every mu of consumption is 1kg, spreads fertilizer over the fields on seedbed, carries out nursery bed disinfection; Greenhouse sterilization is by every 100m
2with 300g Cosan and 500g sawdust, start Smudging sterilizing diel at 18:00-20:00, when fumigation, keep indoor temperature at 18-25 ℃, kill the germ of greenhouse inner surface;
3) rare row is covered mulch film: by the potato seed of choosing, and the sterilization of soaking seed, the topsin solution seed soaking that seed soaking sterilization employing mass percent is 50% 10 minutes; Potato seed is sequenced, with spade, furrow back of the body soil has been dug to training and become the low bank of earth between fields to both sides, seedbed, tread, form the high furrow of furrow face and carry on the back low seedbed, ground, in order to accepting more sunlight, heat rapidly; Then cover fine earth, do not reveal potato seed after flat and be as the criterion to cover, finally cover mulch film;
4) light temperature management: keep good illumination condition between nursery stage, after seedling is neat, heat-insulating film for greenhouse is rolled daytime, and solar irradiation heats, night covering and heat insulating;
5) water and fertilizer management: keep soil moisture abundance before and after emerging, controlling temperature before emerging is 28-30 ℃, and after emerging, temperature is controlled at 25-28 ℃, is cutting seedling first 3 days, water once permeable, in case hardening lack of water; Cutting after 2 batches of seedlings, evenly spread fertilizer over the fields the fertilizer of the harmless treatment of fermenting, then water;
6) collect seedling: in the time that height of seedling is 20-25cm, can cut seedling, clip is apart from furrow face 3-5cm, a bundles are pricked in every 100 strains, put shady and cool place, prevent from overstocking causing that heating hinders seedling; Cut seedling and within first 3 days, carry out hardening, suitably strengthen and ventilate, reduce temperature to 18-22 ℃, cutting for the first time seedling must be timely, otherwise can affect later stage seedling growth and output of seedling because of apical dominance effect and nutrient consumption.
Claims (4)
1. the sweet potato seedling-cultivating method in area in applicable Guizhou Province, is characterized in that: comprise the steps:
1) make bed wholely: 3-5 days before potato seed discharge, leveling soil, in canopy, the little water of spray, makes ground evenly reach moisture state; Draw the furrow of canopy arch trend, furrow face width 1-1.2m, bed soil evenly spreads fertilizer over the fields in furrow face by 5kg/ ㎡ high-quality barnyard manure and 50g/ ㎡ composite fertilizer, and fertilizer and topsoil are mixed;
2) seedbed and greenhouse sterilization: the carbendazol wettable powder that is 50% by mass percent, every mu of consumption is 1kg, spreads fertilizer over the fields on seedbed, carries out nursery bed disinfection; Greenhouse sterilization is by every 100m
2with 300g Cosan and 500g sawdust, start Smudging sterilizing diel at 18:00-20:00, when fumigation, keep indoor temperature at 18-25 ℃, kill the germ of greenhouse inner surface;
3) rare row is covered mulch film: by the potato seed of choosing, soak seed after sterilization; Potato seed is sequenced, with spade, furrow back of the body soil has been dug to training and become the low bank of earth between fields to both sides, seedbed, tread, form the high furrow of furrow face and carry on the back low seedbed, ground, in order to accepting more sunlight, heat rapidly; Then cover fine earth, do not reveal potato seed after flat and be as the criterion to cover, finally cover mulch film;
4) light temperature management: keep good illumination condition between nursery stage, after seedling is neat, heat-insulating film for greenhouse is rolled daytime, and solar irradiation heats, night covering and heat insulating;
5) water and fertilizer management: before and after emerging, keep soil moisture abundance, cutting seedling first 3 days, water once permeable, in case hardening lack of water; Cutting after 2 batches of seedlings, evenly spread fertilizer over the fields the fertilizer of the harmless treatment of fermenting, then water;
6) collect seedling: in the time that height of seedling is 20-25cm, can cut seedling, cut seedling and within first 3 days, carry out hardening.
2. the sweet potato seedling-cultivating method in area in applicable Guizhou Province according to claim 1, is characterized in that: the sterilization of soaking seed in step 3) refers to, the topsin solution seed soaking that employing mass percent is 50% 10 minutes.
3. the sweet potato seedling-cultivating method in area in applicable Guizhou Province according to claim 1, is characterized in that: described in step 6) cut seedling time, clip is apart from furrow face 3-5cm, a bundles are pricked in every 100 strains, put shady and cool place, prevent from overstocking causing that heating hinders seedling.
4. the sweet potato seedling-cultivating method in area in applicable Guizhou Province according to claim 1, is characterized in that: 28-30 ℃ before seedling bed temperature remains on and emerges, 25-28 ℃ after emerging carries out hardening at 18-22 ℃ before collecting seedling, collect seedling in time, prevents closing phenomenon.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145687A (en) * | 2014-08-22 | 2014-11-19 | 广西壮族自治区农业科学院玉米研究所 | Method for cultivating sweet potato seedlings |
| CN105993439A (en) * | 2016-05-12 | 2016-10-12 | 福州市农业科学研究所 | Sweet potato seedling raising method suitable for Turpan area |
| CN107371746A (en) * | 2017-08-25 | 2017-11-24 | 石家庄市农林科学研究院 | The film of Virus-free Sweetpotato three covers method for culturing seedlings |
| CN113040017A (en) * | 2021-05-18 | 2021-06-29 | 山东省农业科学院作物研究所 | Method for cultivating strong seedlings of sweet potatoes through high-ridge drip irrigation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145687A (en) * | 2014-08-22 | 2014-11-19 | 广西壮族自治区农业科学院玉米研究所 | Method for cultivating sweet potato seedlings |
| CN105993439A (en) * | 2016-05-12 | 2016-10-12 | 福州市农业科学研究所 | Sweet potato seedling raising method suitable for Turpan area |
| CN105993439B (en) * | 2016-05-12 | 2019-03-12 | 福州市农业科学研究所 | It is suitble to the sweet potato method for culturing seedlings of Turfan Prefecture |
| CN107371746A (en) * | 2017-08-25 | 2017-11-24 | 石家庄市农林科学研究院 | The film of Virus-free Sweetpotato three covers method for culturing seedlings |
| CN113040017A (en) * | 2021-05-18 | 2021-06-29 | 山东省农业科学院作物研究所 | Method for cultivating strong seedlings of sweet potatoes through high-ridge drip irrigation |
| CN113040017B (en) * | 2021-05-18 | 2022-07-05 | 山东省农业科学院作物研究所 | Method for cultivating strong seedlings of sweet potatoes through high-ridge drip irrigation |
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