CN102180736A - Application of NAM (N-acetylmuramic acid) inhibitor in Yunnan chili - Google Patents
Application of NAM (N-acetylmuramic acid) inhibitor in Yunnan chili Download PDFInfo
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Abstract
The invention relates to a slow-release fertilizer, particularly application of an NAM (N-acetylmuramic acid) inhibitor in Yunnan chili. The NAM inhibitor is used as an additive of a blended slow-release fertilizer for Yunnan chili. The slow-release fertilizer has the advantages of favorable application effect, high utilization ratio, labor saving, time saving, fertilizer saving, worry saving and simple production technique.
Description
Technical field
The present invention relates to slow release fertilizer, the application of a kind of specifically NAM inhibitor in the little green pepper in Yunnan.
Background technology
Fertilizer is to drop into maximum class capital goods in the agricultural sector during modern agriculture is produced, and accounts for 1/2nd of the total input of agriculture production.Its decisive role in crop yield is generally acknowledged already.But utilization rate of fertilizer is very low always, lot of data shows, the this season utilization ratio of the nitrogenous fertilizer of China is 30%～35%, the this season utilization ratio of phosphate fertilizer is 10%～25%, the this season utilization ratio of potash fertilizer only is 35%～50%[document 1: Feng Yuanqi. suggestion is promoted and to be applicable to that the slowly-releasing of field crop urges release fertilizer [J]. and phosphate fertilizer and multiple fertilizer, 2004,19 (3): 3-4.].Chemical fertilizer utilization ratio hangs down and not only causes the wasting of resources, reduced the economic benefit of agriculture production, give soil and water body bring serious pollution problem [document 2: Zhu Zhaoliang. the whereabouts of the fertilizer nitrogen in the agroecosystem and nitrogen management [A]. Zhu Zhaoliang, Wen Qixiao. Chinese soil nitrogen [C]. Nanjing: Jiangsu agricultural science and technology press, 1992.213-249; Document 3: Lv Dianqing, same Yan'an, Sun Benhua. the research [J] of nitrogen application environmental pollution influence. plant nutrition and fertilizer journal, 1998,4 (1): 8-15.], even cause the excess accumulation of NO-3-N and influence HUMAN HEALTH [document 4: Marvin's is strange, Mao Daru, Zhang Fusuo. the problem and the countermeasure [A] that exist in the fertilising of Shandong Province's booth vegetable. Li Xiaolin. balance fertilizing and sustainable quality vegetables production [C]. Beijing: Chinese agriculture press, 2000.41-47.], a part of nitrogen of loss simultaneously generates nitrogen protoxide and escapes into atmosphere, damage the ozone layer [document 5: wear safety, Nie Jun, the research of rice controlled release nitrogenous fertilizer effect and utilization ratio thereof [J] under the different soils soil fertility condition. the soil circular, 2003,34 (2): 115-119].Have influence on China's population, economy and ecological balanced growth [document 6: Qu Haijun, high second place, Zhou Jianbin. release fertilizer research overview [J]. arid area farming research, 2002,20 (1): 45-48; Document 7:Shaviv A.Advances in controlled2release fertilizer[A] .Spark D L (eds) .Advances in agronomy[M] .Califor mia:Academic Press, 2001,71:1-491].For many years, people are devoted to improve the research of utilization rate of fertilizer, many effective meanss and approach have been proposed, as the nitrogenous fertilizer deep placement, with [documents 8: Liang Xinqiang such as water band fertilizer, screening nutrition efficient genotype crop varieties and development slowly/controlled releasing fertilizers, field light, Li Hua, etc. rice terrace nitrogen phosphorus runoff loss The Characteristics [J] under the natural rainfall condition. the soil conservation journal, 2005,19 (1) 59-63.].Slowly/controlled releasing fertilizer can be under same output, save consumption 20%～40% than conventional fertilizers, effectively reduce the negative impact of fertilising to environment, can realize that single-dose application promptly satisfies the crop demand, to promoting increases in grain production, increasing peasant income, agricultural sustainable development plays a significant role, the important development direction of the 21 century fertilizer industry of being known as, the focus and the forward position [document 9: Huang Yun of domestic and international fertilizer circle research have been become, Liao Tiejun, Xiang Huahui. controlled release nitrogenous fertilizer is to physiological effect and the utilization ratio research [J] of capsicum. Chinese Plants nutrition and fertilizer journal .2002,8 (4): 414-418; Document 10: Xu Xiucheng. discuss " population grain environment fertilizer " [J] again. phosphate fertilizer and multiple fertilizer, 2005,20 (2): 9-13; Document 11:Sharon G, Malka KA.Studies on slow release fertilizer:amethod for evaluationfertilizers[J] .Soil Science, 1990,150:446-450].
The little green pepper in Qiubei claims Qiubei capsicum (Capsicum frutescens L.) again, gains the name because of originating in the Qiubei County, Yunnan Province, and the beginning plants at the end of the Ming Dynasty, has the history in more than 350 year so far.In November, 1999, the Qiubei County was cited as " township of Chinese capsicum ", because strict region and superior natural environmental condition, formed the uniqueness kind of " the little green pepper in Qiubei ", plain with individual all, look gorgeous, grease is abundant, vitamin contents is high, peppery and not dry, characteristics such as flavor perfume is pure and enjoying great prestige at home and abroad, it is the seasoning good merchantable brand during people live, treasure in the green pepper just has the laudatory title of " the peppery king of Yunnan state " since time immemorial.Qiubei County pepper planting area reached 200,000 mu in 2007, average yield per mu 136.5kg, and commodity rate reaches more than 95%, and the output value breaks through 300,000,000 yuan, has become a big mainstay industry of Qiubei County.The capsicum fertilizer requirement is big, emphasizes in the high-yield high-grade culture technique repeatedly to apply fertilizer, and 1～2 green pepper of generally gathering really need be applied fertilizer 1 time, and labour intensity is bigger.
Because slow/controlled release fertilizer is to ensureing grain security, promoting increasing peasant income, energy-saving and emission-reduction, environment protection etc. that significance is all arranged.In recent years, in the world slow/controlled release fertilizer is extremely paid close attention to the research of the fertilizer efficiency of crop, environmental-protection function etc.Slowly/controlled releasing fertilizer is applied on the wheat, can delay nutrient release rate, improves utilization rate of nitrogen fertilizer [document 12: Wang Qiang, Li Shuanling, Han Yan comes. and slow/controlled release fertilizer is to wheat increase yield and the effect research [J] that improves utilization rate of nitrogen fertilizer. soil circular, 2007,38 (1): 47-50; Document 13:Solomon Acquaye, Kazuyuki Inubushi.Comparative effects ofapplication of coated and non-coated urea in clayey and sandy paddysoil microcosms examined by the 15N tracer technique[J] .Soil SciPlant Nuti, 2004,50 (2): 205-213].Qu Junfeng studies show that, is waiting nutrient to use than the conventional fertilizer application volume increase, and urea aldehyde slow-release fertilizer can obviously improve banana quality, and can significantly reduce fertilizer application frequency, improves utilization rate of nitrogen fertilizer.Slowly/controlled releasing fertilizer can be used as disposable full dose base manure and uses, [tiger is fastened by Tang for document 14: Xu Peizhi, Chen Jiansheng to reduce fertilising recruitment, fertilizer application frequency and fertilizer amount, Deng. the yield and quality effect study [J] of vegetables controlled release fertilizer. guangdong agricultural science, 2003 (1): 28-30; Document 15: Huang Yun, Liao Tiejun, Xiang Huahui. controlled release nitrogenous fertilizer is to physiological effect and the utilization ratio research [J] of capsicum. Chinese Plants nutrition and fertilizer journal .2002,8 (4): 414-418].Using slowly/controlled releasing fertilizer is increasing crop yield, is improving crop quality, is alleviating the aspects such as environmental pollution that fertilising causes and have unusual effect [document 16:Guert al E A. Preplant slow release nitrogenfertilizers pr oduce simi lar bell peper yields as split applications
Slow/controlled release is fertile because with high content of technology, on the high side, the 2-8 that generally is equivalent to common fertilizer price doubly, be called as " noble's fertilizer " always, and generally only be used on the high minority farm crop of turf maintenance, chamber crop, flower plants and nursery stock and added value, how to reduce production costs, be the difficult problem of the fertile industry development of puzzlement slow/controlled release always.The research of China's slow/controlled release fertilizer just is devoted to be applied on the field crop from beginning, and has obtained impressive progress in this regard.The one, China has obtained important breakthrough aspect mould material, has developed that cost is cheap relatively, controlled release properties mould material preferably, has reduced production cost effectively; The 2nd, adopting the fertile and conventional composite fertilizer mix type BB fertilizer of slow/controlled release, available nutrient is combined with the slow nutrient, not only meet crop growth cycle needs, and reduce fertiliser production and use cost greatly.Result of study shows, compares with whole slow/controlled release fertilizer, and the fertile cost of slow/controlled release BB can reduce 30%-50%, and effect of increasing production can improve more than 5%.Therefore, the special-purpose BB fertilizer of slow/controlled release of the suitable different zones of development, Different Crop or inhibitor and conventional straight fertilizer blending slow/controlled release fertilizer more tally with the national condition, and are one of important directions of the fertile Future Development of China's slow/controlled release.
Summary of the invention
The object of the present invention is to provide the application of a kind of NAM inhibitor in the little green pepper in Yunnan.
The technical solution used in the present invention is for achieving the above object:
The application of a kind of NAM inhibitor in the little green pepper in Yunnan: the NAM inhibitor is as the additive of Yunnan little green pepper mix type slow release fertilizer.
Described Yunnan little green pepper mix type slow release fertilizer is that the NAM inhibitor mixes the back as Yunnan little green pepper special blending type slow release fertilizer with nitrogen, phosphorus and potash fertilizer.
Described nitrogen, phosphorus and potash fertilizer are counted by weight, the available nitrogen content of nitrogenous fertilizer: available phosphorus content in the phosphate fertilizer: effective potassium content=1.5-2: 0.5-1: 1.5-2 in the potash fertilizer, NAM inhibitor addition is the 7-9 ‰ of nitrogenous fertilizer, phosphate fertilizer and potash fertilizer gross weight.
Described phosphate fertilizer can be diammonium phosphate, monoammonium phosphate, calcium superphosphate or fused(calcium magnesium)phosphate, and wherein the phosphate fertilizer available phosphorus content is the content meter of Vanadium Pentoxide in FLAKES.Described potash fertilizer can be vitriolate of tartar, Repone K or potassium magnesium sulfate, wherein in the potash fertilizer effectively potassium content be the content meter of potassium oxide.
The present invention has following advantage:
1. application effect is good.The slow release fertilizer of the mixed inhibitor that the present invention produces only is applicable to the little green pepper in Yunnan, compares with Conv-F, and slow-release fertilizer is handled the little green pepper output in increase Yunnan and reached 20.90%, and economic benefit increases by 882.29 yuan/667m2, produces to throw than raising to reach 47.93%; Under the identical condition of rate of fertilizer application (npk nutrient and ratio), slow-release fertilizer increases yield of hot pepper and reaches 5.26%, and economic benefit increases by 370.32 yuan/667m2, produces to throw than improving to reach 9.91%, produces to throw than improving to reach 16.2%; Under the condition that reduces slow-release fertilizer consumption 20%, yield of hot pepper reaches 12.38% than the Conv-F raising, and economic benefit increases by 639.68 yuan/667m2, produces to throw than raising to reach 65.95%; This season utilization ratio of N, P and K is handled than Conv-F and has been improved 12.42-17.53 respectively, 3.35-5.24 and 5.37-14.02 percentage point.The slow release fertilizer that the present invention simultaneously produces applies as the disposable full dose of base fertilizer, need not topdress later on, the saving of labor, save time, laborsaving, save worry, save money.
2. technology is extremely simple.Technology provided by the present invention very easily combines with peasant household production practice, just on the fertile basis of existing usefulness, increases NAM additive blending agitating procedure.Processing method is simple, helps promoting the use of in the little green pepper production practice in Yunnan.
3.N the utilization ratio height of fertile and P fertilizer.The fertilizer that the present invention adds inhibitor can reduce the loss of N element, P element and the accumulation of its harmful product, simultaneously can solve ureaclastic ammonia is kept in the soil for a long time, guarantee required fertilizer in the little green pepper whole growth growth course of Yunnan, early stage is few fertile, mid-term is fertilizer deficiency not, later stage is not taken off fertilizer, improves the plant recovery of nutrient of N fertilizer and P fertilizer.
Embodiment
Embodiment 1
The NAM inhibitor is as the additive of Yunnan little green pepper mix type slow release fertilizer.Described NAM inhibitor is a long-acting complex fertilizer additive, and it is made up of quinhydrones, Dyhard RU 100, complex rare-earth and zeolite powder, and addition sees the relevant introduction in the patent 99113382.X specification sheets for details, and it can be bought in Shenyang Zhongke New Fertilizer Co., Ltd simultaneously.
Described Yunnan little green pepper mix type slow release fertilizer is made up of nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and NAM additive, and wherein nitrogenous fertilizer is that common urea (N 〉=46%), phosphate fertilizer are calcium superphosphate (P
2O
5〉=16%), potash fertilizer is vitriolate of tartar (K
2O 〉=50%) counts the available nitrogen content of common urea: available phosphorus content in the phosphate fertilizer by weight: effective potassium content in the potash fertilizer=20: 10: 20; NAM additive addition is the 7-9 ‰ of nitrogenous fertilizer, phosphate fertilizer and potash fertilizer gross weight.
Application examples:
Experimental field: bark township, Qiubei County, Yunnan Province big dragon tree village carries out.For examination soil is orchard soil, and its basic physicochemical character is: pH 6.64, OM 29.6g/kg, full nitrogen 1.5g/kg, full phosphorus 2.0g/kg, full potassium 16g/kg, alkali-hydrolyzable nitrogen 65.02mg/kg, rapid available phosphorus 10.06mg/kg, available potassium 110.52mg/kg.
Experimental cultivar: " the little green pepper in Qiubei " (Capsicum frutescens L.) is for peasant household reserves kind for one's own use.
For trying fertilizer: adopt embodiment 1 gained Yunnan little green pepper special blending type slow release fertilizer.
Adopt completely random district group test design, totally 5 processing, 3 repetitions amount to 15 sub-districts, sub-district area 20m
2Test is handled as follows:
1. CK (contrast, do not apply fertilizer); 2. peasant household's habits fertilization (Conv-F, pure N 28kg/667m
2, P
2O
512kg/667m
2, K
2O10kg/667m
2); 3. fertilization recommendation (Opt-F, pure N 20kg/667m
2, P
2O
510kg/667m
2, K
2O 20kg/667m
2); 4. embodiment 1 adds the mix type slow release fertilizer of inhibitor, and wherein the NAM additive capacity is 7 ‰-9 ‰ (Opt-F-NAM); 5. use embodiment 1 add inhibitor mix type slow release fertilizer total amount 80%, wherein the NAM additive capacity is 7 ‰-9 ‰, { 80% (Opt-F-NAM) }.
Fertilising and management: peasant household's habits fertilization and Opt handle fertilizer and divide and apply for 4 times: be respectively and chased after June 22 fertilely for the first time, chased after July 5 fertilely for the second time, chased after August 3 fertilely for the third time, chased after fertilizer on September 1 the 4th time; The disposable full dose of fertilizer of 2 processing of slow-release fertilizer is used as base fertilizer; Transplanted the 30d seedling age on May 29th, 2010, disposable harvesting on September 25 in 2010, results were that unit carries out actually gathering and surveying product the same day with the sub-district; Other field management is undertaken by local peasant household custom.
The NAM additive amount is between fertilizer amount 7-9 ‰, and the fertilizer amount is meant the weight of 40-45% concentration composite fertilizer, if use simple substance fertilizer or composite organic-inorganic fertilizer can be scaled composite fertilizer with nutrient content, applies big Tanaka behind the fertilizer even blend.
Sampling and analysis: before fertilising, take 5 mixing of S shape to adopt local method, gather 0～20cm 1kg primary soil, soil pH value, organic matter, full nitrogen, full phosphorus, full potassium, available nitrogen, available phosphorus and available potassium are measured in air-dry back, according to document soil agrochemistry analytical procedure [M]. Beijing: Chinese agriculture science and technology press, the 2004:430-472 method is measured.
By adopt respectively capsicum breeding time (seedling stage, group's phase, full-bloom stage and harvesting time) whole strain sample of plant and soil sample (0～20cm), adopt soil sample the time of infertility altogether 5 times, 5 method composite sampless, sampling depth is 0～20cm, adopt the plant sample altogether 4 times, whole strain sampling, 5～10 of every sub-districts.
The mensuration of plant N adopts H
2SO
4-H
2O
2Disappear and boil, Kjeldahl determination, the mensuration of K adopts H
2SO
4-H
2O
2Disappear and boil, flare photometer, the mensuration of P adopts the yellow colorimetry of vanadium molybdenum.
Data processing adopts DPS software, and duncan's new multiple range method (LSD method) multiple comparisons testing significance of difference (n=3, P＜0.05 or P＜0.01) is adopted in multiple significance of difference analysis.Utilization rate of fertilizer adopts difference assay to calculate.
Interpretation of result:
Different treatment is to the influence of yield of hot pepper and Other Main Agronomic Characters
Table 1 shows that the slow release fertilizer of using the embodiment of the invention 1 additive can improve the Other Main Agronomic Characters of capsicum, improves capsicum individual plant fruit and heavily reaches per plant number (table 1).Though the branch amount of capsicum was with the fertilizer treatment differences is not obvious under slow-release fertilizer was handled, the individual plant that can obviously increase capsicum is really heavy; The individual plant fruit heavily is to constitute one of main factor of yield of hot pepper, and test-results shows that the plant of fertilizer treatment is not short and small, and the individual plant fruit heavily is starkly lower than each fertilizer treatment, obvious difference.The capsicum individual plant of different fertilization is really heavy, with Opt-F-NAM handle the highest, Opt-F handles and takes second place, Conv-F handles minimum, as seen, it is disposable employed that base manure is made in the slow-release fertilizer processing, and it obviously is better than common compound fertilizer (Opt-F, Conv-F) applied once to the really heavy effect of individual plant and handles, and reach or be better than the effect of conventional cultivation split application, reduced fertilizer application frequency.
Under this test conditions, using the slow-release fertilizer yield of hot pepper obviously increases (table 1).Fertilizer treatment (2,3,4,5) is fertilizer treatment (CK) more not, and yield increasing effect is all arranged, and amount of increase in production reaches 76.37%-113.23%, illustrates that the basic fertility of soil is lower, and enriching fertilizer can significantly increase yield of hot pepper.Compare with the Conv-F processing, Opt-F-NAM handles volume increase and reaches 20.90%, and output reaches utmost point significant difference level; Reducing slow-release fertilizer consumption 20%{80% (Opt-F-NAM) } condition under, yield of hot pepper is handled volume increase than Conv-F and is reached 12.38%, output reaches utmost point significant difference level.As seen, along with the increase of fertilizer input amount, the output of crop but reduces, and this is consistent with law of diminishing return, illustrates, Conv-F does not meet economic fertilization.Under the identical condition of rate of fertilizer application (npk nutrient and ratio), slow-release fertilizer has certain effect of increasing production than common compound fertilizer (Opt-F), and amount of increase in production reaches 5.26%, obvious difference between the output.
This shows, when the mix type slow release fertilizer that embodiment 1 adds inhibitor can effectively be saved the fertilizer input, can significantly improve the output of crop.
Table 1 different fertilization is to the influence of yield of hot pepper and economical character
Annotate: different upper and lower case letters represent that respectively difference reaches 5% and 1% conspicuous level in the same column.
Capsicum Economic and Efficiency Analysis under the different treatment
The mix type slow release fertilizer of using embodiment 1 interpolation inhibitor has significantly improved the economic benefit (table 2) of capsicum.Fertilizer treatment (CK) is not compared with fertilizer treatment, and the output of CK and gross income all are lower than other processing, but produce to throw than but be the highest for it, reaches 20.68, and this is because CK does not apply fertilizer, and has reduced due to input (fertilizer and the manually) cost of capsicum.As seen, chemical fertilizer is a materiality input maximum in the agriculture production.
Compare with the Conv-F processing, the mix type slow release fertilizer of using embodiment 1 interpolation inhibitor effectively raises the economic benefit of capsicum, and the product that has significantly improved capsicum is thrown ratio.From dropping into, the input that Conv-F handles is the highest, is 655.16 yuan/667m
2, { 80% (Opt-F-NAM) } handles and takes second place, and is 432.54 yuan/667m
2, product is thrown to compare so as to see who is superior and is followed successively by { 80% (Opt-F-NAM) }＞Opt-F-NAM＞Opt-F＞Conv-F, and wherein { 80% (Opt-F-NAM) } produces and throws than the highest, reaches 8.93.
In addition, under the identical condition of rate of fertilizer application (npk nutrient and ratio), the capsicum net income of Opt-F-NAM processing and product throwing relatively Opt-F processing have improved 5.4,0.73 and 2.05 percentage points respectively.Illustrate that the disposable full dose of mix type slow release fertilizer that embodiment 1 adds inhibitor is used as base manure, has obviously reduced fertilizer application frequency, has effectively saved the recruitment cost.As seen, identical even reduce under the condition of 20% rate of fertilizer application in rate of fertilizer application (npk nutrient and ratio), it is still superior than the common fertilizer performance that embodiment 1 adds the mix type slow release fertilizer of inhibitor.
As seen, use the income that mix type slow release fertilizer that embodiment 1 adds inhibitor obtains and to compensate for its higher fertilising expense, thereby effectively improve the crop economy benefit.
The Economic and Efficiency Analysis of table 2 capsicum
Annotate: 20 yuan/kg. of dried green pepper market price
Different treatment is to the influence and the environmental protection effect of capsicum nitrogen, phosphorus and potassium this season utilization ratio
There are notable difference in capsicum nitrogen, phosphorus and potassium utilization ratio under the different treatment because of Fertilization Level is different.Under this test conditions, embodiment 1 adds the plant recovery of nutrient of the mix type slow release fertilizer processing of inhibitor and all handles high (seeing Table 3) than common fertilizer (Conv-F and Opt-F).Height with regard to the nutrient input amount is compared, and Conv-F handles N, P
2O
5, K
2Every mu of amount of application of O is respectively 28kg, 12kg, 10kg; The mix type slow release fertilizer that Opt-F-NAM embodiment 1 adds inhibitor is treated to 20kg, 10kg, 20kg.The two compares, and Opt-F-NAM handles the plain every mu of amount of application of nitrogen (N) and reduces 8kg, reduces by 28.57% relatively; Phosphorus (P
2O
5) plain every mu of amount of application minimizing 2kg, reduce by 16.67%; And potassium (K
2O) plain every mu of amount of application improves 10kg, has improved 50%, and this season utilization ratio of its nitrogen, phosphorus and potash fertilizer is handled than Conv-F and improved 12.42,3.35 and 5.37 percentage points respectively; Under the identical condition of rate of fertilizer application (npk nutrient and ratio), this season utilization ratio that Opt-F-NAM handles nitrogen, phosphorus and potash fertilizer has improved 5.4,0.73 and 2.05 percentage points respectively than the Opt-F processing; Under the condition that reduces slow-release fertilizer consumption 20%, this season utilization ratio of capsicum nitrogen, phosphorus and potash fertilizer is handled than Conv-F and has been improved 17.53,5.24 and 14.02 percentage points respectively.Studies show that, waiting under NPK ratio and the equal nutrient content condition that slow-release fertilizer is handled nitrogen, phosphorus and potassium nutrition utilization ratio and improved 7.96,1.31 and 3.9 percentage points respectively than the Opt-F processing; Song Fupeng etc. studies show that under identical amount of nitrogen condition, controlled release nitrogenous fertilizer is handled than common nitrogenous fertilizer and handled 10.1-29.7 percentage point of nitrogen utilization efficiency raising; Utilize differential technique and tracer study to show, the nitrogen utilization efficiency ratio of slow-release fertilizer is used urea and is improved 37.5 and 32.2 percentage points respectively.The result of study of these results and this test is used the conclusion basically identical that slow release fertilizer can effectively improve utilization rate of fertilizer.
Illustrate that slow release fertilizer can effectively regulate the nutrient dissolution rate, the release of nitrogen phosphorus potassium and the absorbing rule of carnation are identical substantially.Do that base manure is disposable to apply, its utilization ratio is higher than common fertilising, reduces the loss of corresponding nitrogen phosphorus potassium, improves utilization rate of fertilizer.
Studies have shown that in a large number utilization rate of fertilizer is low and cause the waste of earth Nonrenewable resources and the deterioration of environment for human survival, become the outstanding problem of influence agricultural and environment sustainable development.The chemical fertilizer rate of fertilizer application constantly increases and irrational using, and has caused pollution of area source such as water pollution and eutrophication, and the element that wherein plays a crucial role is nitrogen and phosphorus
[16]This experimental study is the result show; handle relatively with peasant household's custom and Opt split application; on the basis that yield of hot pepper significantly increases; use slow-release fertilizer and can reduce nitrogen and the plain consumption of phosphorus significantly; improve utilization rate of fertilizer, the protection of ecotope and the Sustainable development of promotion agricultural are had important practical significance.
Table 3 different treatment is to the analysis of nitrogen, phosphorus and potassium utilization ratio
Embodiment 2
The NAM inhibitor is as the additive of Yunnan little green pepper mix type slow release fertilizer.Yunnan little green pepper mix type slow release fertilizer is made up of nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and NAM additive, wherein nitrogenous fertilizer is that common urea, phosphate fertilizer are monoammonium phosphate and calcium superphosphate, potash fertilizer is that vitriolate of tartar and Repone K are counted by weight, the available nitrogen content of common urea: available phosphorus content in the phosphate fertilizer: effective potassium content in the potash fertilizer=2: 1: 2; NAM additive addition is 8 ‰ of common urea, phosphate fertilizer and a potash fertilizer gross weight.
Claims (5)
1. the application of NAM inhibitor in the little green pepper in Yunnan, it is characterized in that: the NAM inhibitor is as the additive of Yunnan little green pepper mix type slow release fertilizer.
2. by the application of the described NAM inhibitor of claim 1 in the little green pepper in Yunnan, it is characterized in that: described Yunnan little green pepper mix type slow release fertilizer is that the NAM inhibitor mixes the back as Yunnan little green pepper special blending type slow release fertilizer with nitrogen, phosphorus and potash fertilizer.
3. by the application of the described NAM inhibitor of claim 2 in the little green pepper in Yunnan, it is characterized in that: described nitrogen, phosphorus and potash fertilizer are counted by weight, the available nitrogen content of nitrogenous fertilizer: available phosphorus content in the phosphate fertilizer: effective potassium content=1.5-2: 0.5-1: 1.5-2 in the potash fertilizer, NAM inhibitor addition is the 7-9 ‰ of nitrogenous fertilizer, phosphate fertilizer and potash fertilizer gross weight.
4. by the application of the described NAM inhibitor of claim 2 in the little green pepper in Yunnan, it is characterized in that: described phosphate fertilizer can be diammonium phosphate, monoammonium phosphate, calcium superphosphate or fused(calcium magnesium)phosphate, and wherein the phosphate fertilizer available phosphorus content is the content meter of Vanadium Pentoxide in FLAKES.
5. by the application of the described NAM inhibitor of claim 2 in the little green pepper in Yunnan, it is characterized in that: described potash fertilizer can be vitriolate of tartar, Repone K or potassium magnesium sulfate, wherein in the potash fertilizer effectively potassium content be the content meter of potassium oxide.
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| CN103483095A (en) * | 2013-10-11 | 2014-01-01 | 西南大学 | Special slow/controlled release compound fertilizer for capsicum, and preparation method thereof |
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| CN103159543A (en) * | 2011-12-14 | 2013-06-19 | 施可丰化工股份有限公司 | A stable long-acting slow-release fertilizer special for red hot peppers and a fertilization method |
| CN103483095A (en) * | 2013-10-11 | 2014-01-01 | 西南大学 | Special slow/controlled release compound fertilizer for capsicum, and preparation method thereof |
| CN103483095B (en) * | 2013-10-11 | 2015-04-08 | 西南大学 | Special slow/controlled release compound fertilizer for capsicum, and preparation method thereof |
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Inventor after: Du Caiyan Inventor after: Duan Zongyan Inventor after: Jie Yongjun Inventor after: Hu Wanli Inventor after: Lu Yao Inventor after: Chen Shihua Inventor before: Du Caiyan Inventor before: Duan Zongyan Inventor before: Jie Yongjun Inventor before: Chen Shihua |
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Application publication date: 20110914 |