CN101297624A - Light filling method of novel greenhouse cucumber cultivation - Google Patents
Light filling method of novel greenhouse cucumber cultivation Download PDFInfo
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- CN101297624A CN101297624A CNA2008101229991A CN200810122999A CN101297624A CN 101297624 A CN101297624 A CN 101297624A CN A2008101229991 A CNA2008101229991 A CN A2008101229991A CN 200810122999 A CN200810122999 A CN 200810122999A CN 101297624 A CN101297624 A CN 101297624A
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Abstract
The invention belongs to the facility culture technical field, in particular to a novel method of supplementing light for greenhouse cucumber; an energy saving lamp is adopted as a light source for supplementing light, and a lighting tube is covered by a blue thin film and led to be 10 to 40cm from the top end of the plant; when the illumination in the greenhouse is less than 2000 luxes and lasts for more than two days, the light is needed to be supplemented for 6 to 12 hours/day; the method of the invention has the advantages of saving power consumption and reducing the operation cost of the greenhouse companies.
Description
Technical field
The invention belongs to facility culture technical field, be specifically related to a kind of novel method of supplementing light for greenhouse cucumber.The illumination that is specifically designed in the greenhouse cucumber cultivation replenishes, and helps the application that greenhouse cucumber produces.
Background technology
Illumination is one of important environmental factor that influences plant growth.In the greenhouse culture, owing to be subjected to the influence of greenhouse covering light transmittance, the natural lighting condition of inside, greenhouse is more far short of what is expected than open country.China's winter-spring season, the sunshine time is short, and especially for returning the culturing vegetable in season, the illumination deficiency is the main limiting factor that influences plant growth always.Artificial light filling is according to the demand of crop to illumination, adopts artificial light source to improve the illumination condition in greenhouse, satisfies the demand of crop to illumination.Artificial light filling is a new technology that improves the hothouse production level, and the development of greenhouse industry is had important meaning.
For chamber crop, the luminous energy that plant corpus absorbs mainly is red, orange light (wavelength is in the 610-720 nanometer range) and indigo plant, purple light (wavelength is in the 400-510 nanometer range).Usually wave-length coverage is called effective physiological radiation energy at the radiant energy of 610-720nm and 400-510nm two wave bands.And the effective physiological radiation of different-waveband can account for the ratio of visible light wave range integrated radiant emittance become effective physiological radiation can ratio.Estimate the effect of artificial light filling by these indexs.
1. light source:
The light source that at present artificial light filling technology adopts mainly contains three kinds: ordinary light source (incandescent lamp and fluorescent lamp); New type light source (high-pressure mercury lamp, sunlight dysprosium lamp, neon lamp and helium lamp); Special light source.
Ordinary light source: the radiation spectrum major part of incandescent lamp is an infrared rays, and only has 10% light to be utilized by plant absorbing.Utilize fluorescent lamp more as light source.
New type light source: luminous efficiency is higher, is light source more satisfactory in the greenhouse culture.
High-pressure mercury lamp: contain more blood orange light, light filling efficient height.The light filling that is fit to greenhouse leaf vegetables crop.
The sunlight dysprosium lamp: spectral power distribution is similar to daylight.Have the light efficiency height, colour rendering is good, the life-span is long.
Neon lamp and helium lamp: the radiation of neon lamp mainly is red, orange light, and spectral power distribution mainly concentrates in the 600-700 nanometer range.Helium lamp main radiation blood orange light and purple light.The radiant energy 80% of these two kinds of lamps is absorbed by chlorophyll.
Special light source: this class light source transfers plant illumination to and develops.Plant growth lamp as the production of East China Electronics Co., Ltd joint-stock company, the distribution and the distribution ratio of the physiological radiation energy of this lamp are more reasonable, it is red, effective physiological radiation of orange light accounts for 58%, and effective physiological radiation blue, purple light can account for 32%, and effectively physiological radiation energy ratio is up to 90%.
2. light filling time:, replenish illumination tens hours every day according to light filling standard in the Dutch greenhouse culture.
3. light filling standard: when radiation is lower than 20001x in the greenhouse, the beginning light filling.
In China's greenhouse light filling technology, mainly have the problem of the following aspects: 1. the wide part that adopts ordinary light source to replenish can not be absorbed by plant at present, adopts new type light source and special light source to have the high problem of energy consumption.2. present light filling technology adopts the industrialization control technology mostly, has only considered the demand of crop to light, and does not consider that crop is to the reaction of the low light level adaptation of the low light level (promptly to).3. do not consider the photosynthesis characteristics of crop on the time at light filling, promptly chamber crop generally the morning photosynthesis rate higher, and afternoon photosynthesis a little less than.
Summary of the invention
In order to solve the prior art above shortcomings, the invention provides a kind of novel light compensation method, adopt ordinary light source, the coloured film that the coated outside light transmittance is high, photosynthesis characteristics according to greenhouse cucumber is adjusted the light filling time, effectively change the low excessively problem of the effective physiological radiation ratio of ordinary light source that adopts, also solved the employing new type light source simultaneously and special light source is disposable has high input the difficult problem that energy consumption is high.
The technical solution used in the present invention is: adopting electricity-saving lamp is the light filling light source, fluorescent tube blue membrane parcel makes fluorescent tube be in plant top 10-40cm all the time, when the greenhouse interior lights according to being lower than 2000 luxs and duration when surpassing 2 days, carry out light filling, the light filling time is 6-12 hour/day.
Said light source among the present invention, preferred 80-150 watt of common energy-saving lamp, per hectare is on average installed the 60-100 small cup.
The said light filling time among the present invention, preferred 8 hours/day specifically can be that afternoon, 16:30 stopped light filling since 7:30 light filling in morning.
The inventive method adopts conventional fluorescent lamps as light source, adopt coloured film parcel fluorescent tube, thereby it is low excessively to have solved the effective physiological radiation ratio of employing ordinary light source, and adopts new type light source and special light source to cause the high problem of energy consumption.In traditional light filling technology, if adopt 600 watts of sodium vapor lamps light source as a supplement, 120/hectare, light filling time every day was generally tens hours.Adopt traditional technology per hectare electricity consumption degree every days 200 (calculating in 10 hours) by one day light filling.And adopt present technique per hectare electricity consumption every day 21.33 degree, and reduced energy consumption to a great extent, saved the production cost of greenhouse cucumber.
The present invention has considered the adaptability of crop to the low light level.The industrialization control principle that adopts in the present greenhouse light filling technology (when illumination is lower than a certain setting value, promptly beginning to replenish illumination).The light filling foundation of present technique is to shine in the greenhouse interior lights to be lower than 20001x, and begins light filling after reaching certain hour.
The preferred scheme of the present invention also takes into full account the photosynthesis characteristics of crop because after the afternoon 16:30, the photosynthetic rate of crop is very low, crop to the demand of illumination a little less than, therefore finish at the 16:30 light filling.
The present invention has compared with prior art saved energy consumption, has reduced the operation cost of greenhouse companies.
Embodiment
Below in conjunction with specific embodiment, and comparable data is described the present invention in further detail.Should be understood that these embodiment just in order to demonstrate the invention, but not limit the scope of the invention by any way.
Embodiment 1
For the examination cucumber variety is that greenhouse Dutch cultivar commonly used is worn many stars, and test is carried out in the venlo type greenhouse of Feng Pu garden, academy of agricultural sciences, Shanghai, and the perlite bag cultivating adopts the nutrient solution pouring.Cucumber field planting when 1 leaf, 1 heart.Planting density is 2.5 strains/m
2(the big Kang Yousebaomochang in Shanghai produces, and 120 watts of fluorescent lamps 450nm) carry out light filling, and 80/hectare, adjustment fluorescent tube height makes fluorescent tube be in 20cm place, plant top all the time to adopt the coated outside filter coating.When influences of plant crown illumination is lower than 20001x, the time is carried out light filling when surpassing 2 days, and since 7:30 light filling in the morning, afternoon, 16:30 finished light filling.
Compare with additional white light, gross dry weight improves 20.43%, and the individual plant leaf area improves 5.29%, and the greenhouse cucumber gross yield improves 35.41%.
Embodiment 2
Substantially the same manner as Example 1, difference is that light source is 80 watts of electricity-saving lamps, and 100/hectare, fluorescent tube is in plant top 10-40cm, and the light filling time is 6 hours/day.
Embodiment 3
Substantially the same manner as Example 1, difference is that light source is 150 watts of electricity-saving lamps, and 60/hectare, the light filling time is 12 hours/day.
The invention is not restricted to these disclosed embodiments, the present invention will cover the scope described in the patent book, and the various modification of claim scope and equivalence variation.
Claims (4)
1, a kind of light compensation method of novel greenhouse cucumber cultivation, it is characterized in that, adopting electricity-saving lamp is the light filling light source, fluorescent tube blue membrane parcel, make fluorescent tube be in plant top 10-40cm all the time, when the greenhouse interior lights according to being lower than 2000 luxs and duration when surpassing 2 days, carry out light filling, the light filling time is 6-12 hour/day.
According to the said light compensation method of claim 1, it is characterized in that 2, wherein said light source is a 80-150 watt of common energy-saving lamp, per hectare is installed the 60-100 small cup.
According to claim 1 or 2 said light compensation methods, it is characterized in that 3, the said light filling time is 8 hours/day.
According to claim 1 or 2 said light compensation methods, it is characterized in that 4, the said light filling time is that afternoon, 16:30 stopped light filling since 7:30 light filling in morning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101229991A CN101297624A (en) | 2008-06-20 | 2008-06-20 | Light filling method of novel greenhouse cucumber cultivation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101229991A CN101297624A (en) | 2008-06-20 | 2008-06-20 | Light filling method of novel greenhouse cucumber cultivation |
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| Publication Number | Publication Date |
|---|---|
| CN101297624A true CN101297624A (en) | 2008-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008101229991A Pending CN101297624A (en) | 2008-06-20 | 2008-06-20 | Light filling method of novel greenhouse cucumber cultivation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102144482A (en) * | 2010-12-30 | 2011-08-10 | 杭州秀山美地农业科技有限公司 | Cucumber overwintering method in subtropical plum rains region |
-
2008
- 2008-06-20 CN CNA2008101229991A patent/CN101297624A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102144482A (en) * | 2010-12-30 | 2011-08-10 | 杭州秀山美地农业科技有限公司 | Cucumber overwintering method in subtropical plum rains region |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20081105 |