CN106995318A - A kind of lime nitrogen increase rice tillering, the method and purposes for improving yield - Google Patents
A kind of lime nitrogen increase rice tillering, the method and purposes for improving yield Download PDFInfo
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Abstract
The invention discloses a kind of lime nitrogen increase rice tillering, the method and purposes of raising yield, the lime nitrogen includes according to the composition of mass percent：Silica 1 % 3%, free carbon 11% 15%, alundum (Al2O3) 1% 3%, di-iron trioxide 0.2% 1.0%, free calcium oxide 21% 27%, magnesia 0.3% 1.0%, calcium cyanamide 50% 63%, calcium carbide 0.1% 0.3%.In site preparation, spread fertilizer over the fields 10 15 kgs/acre of lime nitrogen and rotary tillage, spread fertilizer over the fields manually turned over after 25 30 kgs/acre of composite fertilizer, rake after uniformly sow；Topdressed after 5 15 days 5 10 kgs/acre.Liming nitrogen of the present invention concentrates seedling, can be obviously promoted rice shoot root system development, controls rice shoot plant height, promotes rice shoot tiller, improves single root and stem of certain plants tiller number, improves and transplant basic seedling amount, controls overage overgrowing, reduces the Basic Seedling caused by plant height and damages, improves rice yield.Liming nitrogen of the present invention, with preventing and treating subterranean pest-insect, prevents and kill off effect with blue-green algae, improves Agro-ecology and operating environment；The economic characters of paddy rice can be obviously improved, economic benefit is extremely notable.
Description
Technical field
The present invention relates to agriculture field, specifically a kind of lime nitrogen increase rice tillering, the method and purposes for improving yield.
Background technology
Paddy rice (scientific name：Oryza sativa) be draft Oryza one kind, be also in Oryza as grain it is main most
Long one kind, also known as Asian type cultivated rice, could also say that rice in simple terms.For annual, grass, list
Cotyledon, property happiness is warm and humid, there are about 1 to 1.8 meters high when ripe, and leaf is elongated, there are about 50 to 100 centimeter lengths, wide by about 2
To 2.5 centimetres.Spending for rice is very small, when blooming, and arch can be presented in main spray, down 30 to 50 centimetres of end of the branch
Between can all hold little Hua, most of self-pollination is simultaneously born seeds, referred to as spike of rice.The size of general spike of rice is long at 5 to 12 millimeters,
2 to 3 mm of thickness.
It is still one of key subjects that mankind nowadays need to solve to improve paddy rice yield per unit area, and technology is only limited pair at present
The cultivation of improved seeds, it includes sterile line of hybridized rice and maintainer with the raising of improved seeds and passes through production of hybrid seeds skill respectively
Art means and reach high yield, the gene technology research of paddy rice still takes in the primary stage that (hybrid rice refers to losing from two
Different is caught, while the rice varieties that their merit again can be complementary, are hybridized, production has hybrid
The first generation cenospecies of advantage, for producing).Moreover, behind rice shoot rice transplanting to the rice field of existing hybrid rice, normally only
Energy effective tillering goes out most multipotency effective tillering behind 10-12 tillers, rice shoot rice transplanting to the rice field of the hybrid rice of a small number of high yields and gone out
12-15 tillers.Fertilizer and method that existing paddy rice planting method is used are unfavorable for the robust growth of multiple tiller and tiller.Need
Further to be improved.
Lime nitrogen (50% is modified calcium cyanamide particle agent) is Darong Industrial Group Co., Ltd., Ningxia's development and application in green agriculture
Industry and ecological environmental protection class product, have obtained Minister Agriculture of China's " agricultural chemicals formal registration " and the service of National Agricultural Technique Popularizing
Center " Agricultural product without pollution special fertilizer " certification, Nationwide Agricultural Technology Promotion Service Center has been chosen to be national gardening and made
Thing (vegetables) standard garden produces the supporting art product emphasis that obtains and promoted the use of, and its Main Ingredients and Appearance is 50% modification nitrolim, its
Nitrogen content more than 20%, calcium content more than 38%.A variety of nutrition such as nitrogen, the calcium that can be sustained needed for plant growth, are effectively killed
Go out the soil-borne diseases such as root-knot nematode, root rot, droop, bacterial wilt, clubroot and lotus rhizome rot.Solution tomato,
The continuous cropping obstacles such as capsicum, cucumber, cowpea, watermelon, balsam pear, Chinese cabbage, lotus rhizome, reduce agriculture field Nitrogen Application
Amount, the reduction noxious gas emission such as agricultural area source carbon dioxide, with low toxicity, pollution-free, noresidue, it is nuisanceless, safe,
Efficiently the advantages of.Effect for paddy rice is also not directed to.
The content of the invention
It is an object of the invention to provide a kind of rice shoot root system development, prevent and treat the lime nitrogen increase rice tillering of subterranean pest-insect, carry
The method and purposes of high yield, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of purposes of lime nitrogen in preparing increase rice tillering, improving the fertilizer of yield, the lime nitrogen is according to quality hundred
Dividing the composition of ratio includes：Silica 1 %-3%, free carbon 11%-15%, alundum (Al2O3) 1%-3%, di-iron trioxide
0.2%-1.0%, free calcium oxide 21%-27%, magnesia 0.3%-1.0%, calcium cyanamide 50%-63%, calcium carbide 0.1%-0.3%.
It is used as further scheme of the invention：The lime nitrogen includes according to the composition of mass percent：Silica 1 .78%,
Free carbon 13.06%, alundum (Al2O3) 1.74%, di-iron trioxide 0.45%, free calcium oxide 24.74%, magnesia 0.76%,
Calcium cyanamide 57.32%, calcium carbide 0.15%.
The lime nitrogen increase rice tillering, the method for improving yield, the process of Rice Cropping include：Site preparation, nursery, insert
Seedling, weeding deinsectization, fertilising, filling draining, harvesting；In site preparation, 10-15 kgs/acre of lime nitrogen and rotary tillage are spread fertilizer over the fields, is spread
Apply manually turned over after 25-30 kgs/acre of composite fertilizer, rake after uniformly sow；Topdressed after 5-15 days 5-10 kgs/acre.
It is used as further scheme of the invention：95-105 kgs/acre of organic fertilizer or barnyard manure are also mixed with when spreading fertilizer over the fields lime nitrogen.
It is used as further scheme of the invention：100 kgs/acre of organic fertilizers or barnyard manure are also mixed with when spreading fertilizer over the fields lime nitrogen.
It is used as further scheme of the invention：Organic fertilizer is the stalk of wheat, rice, corn or sorghum, and barnyard manure uses chicken manure, pig
Excrement, sheep manure or cow dung.
It is used as further scheme of the invention：Composite fertilizer is using the grand board super rice special fertilizer of 22-8-12 god or the celestial phosphorus of 22-8-12
Board composite fertilizer.
It is used as further scheme of the invention：The lime nitrogen spread fertilizer over the fields produces plant growth promoter in decomposable process.
It is used as further scheme of the invention：Plant growth promoter is cyanamide.
It is used as further scheme of the invention：The fertilizer used when topdressing is urea or 22-8-12 Xian Lin boards composite fertilizer.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, liming nitrogen of the present invention concentrates seedling, can be obviously promoted rice shoot root system development, controls rice shoot plant height, promotes seedling
Seedling tiller, improves single root and stem of certain plants tiller number, improves and transplant basic seedling amount, control overage overgrowing, reduces the Basic Seedling caused by plant height and damages,
Taken a firm foundation to improve field rice yield.
2nd, liming nitrogen of the present invention, is manured into soil after meeting water decomposition due to lime nitrogen, can produce gas or liquid, this is
Disease pest, the key of fungus damage of soil are prevented and treated, liming nitrogen has preventing and treating subterranean pest-insect, accelerates rape tangerine stalk to become thoroughly decomposed, prevent and kill off
With the effect of blue-green algae, improve Agro-ecology and operating environment.
3rd, a variety of nutrition that liming nitrogen of the present invention can be needed for the paddy rice such as slow-release nitrogen, calcium, can move the synthesis for improving fertilizer
Utilization rate, reduces the noxious gas emission such as agricultural area source carbon dioxide, be Rice Production realize environmental protection, economize on resources and
Increase the benefit and play a significant role.
4th, liming nitrogen of the present invention can be obviously improved the Growth Character of paddy rice.Liming nitrogen, can strengthen paddy rice
Photosynthesis, leaf color is glossy dark green, promotes rice tillering, and late growth stage of rice does not take off fertilizer, the yellow non-lodging of bar green grass or young crops seed, it is possible to increase
Paddy rice number of productive ear, increases Defined daily doses, improves setting percentage, ripe 1-2 days in advance.
5th, lime nitrogen can be obviously improved the economic characters of paddy rice, and economic benefit is extremely notable, and demonstration effect shows, apply
Lime nitrogen, improves paddy rice number of productive ear, increases Defined daily doses, improve setting percentage, output increased 27.7%-36.9%,
Newly-increased input-output ratio has reached 1:3.3-3.9, economic benefit is extremely notable, and one is have found to improve Rice Cropping benefit
Important technological approaches.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, shown
So, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In April, 2012, seedling quality, increase rice yield are improved in Rice Production for checking lime nitrogen, kind of a grain receipts are improved
Enter and arrange lime nitrogen in Hengyang County Xi Du towns rich peasant's grain quality rice crop cultivation speciality cooperative society plum blossom with the function such as agricultural area source emission reduction, spy
Base and salty middle graveyard crop field early rice concentrate demonstration on seedling and field rice, are now summarized as follows demonstration effect：
First, lime nitrogen concentrates demonstration effect in seedling in the oily triple-cropping system early rice of one rice of rice one
1st, demonstration place and soil regime：The salty middle base of Hengyang County Xi Du towns rich peasant's grain quality rice crop cultivation speciality cooperative society, physical features
Flat, fertility is more uniform, and soil is yellow mud field.
2nd, demonstration area and arrangement：Selection Yi Confucius fields are divided into two halves, wherein 2.4 mu of lime nitrogen demonstration area, Routine control area
0.8 mu, totally 3.2 mu.
3rd, demonstrate the beginning and ending time：On April 3rd, 2012 to May 17
4th, material and confession are shown as thing
Lime nitrogen (50% is modified nitrolim antimicrobial granules agent, Darong Industrial Group Co., Ltd., Ningxia's production)：10 kilograms
/ mu.The lime nitrogen includes according to the composition of mass percent：Silica 1 .78%, the oxidation of free carbon 13.06%, three two
Aluminium 1.74%, di-iron trioxide 0.45%, free calcium oxide 24.74%, magnesia 0.76%, calcium cyanamide 57.32%, carbon
Change calcium 0.15%.
The grand board super rice special fertilizer (22-8-12) of god.
Urea (N46%).
For being shown as thing：Local routine early-paddy brown rice.
5th, demonstration is set and method
Demonstration sets lime nitrogen treatment region and the processing of two, Routine control area, and repetition is not set.
Lime nitrogen treatment region (10.26 kilograms of N, 2 kilograms of P2O5, 3 kilograms of K2O)
Base manure (7.5 kilograms of N, 2 kilograms of P2O5, 2 kilograms of K2O)：Spread fertilizer over the fields on April 3rd, 2012 10 kilograms of lime nitrogen/
Simultaneously rotary tillage is well mixed mu with soil, and on April 8th, 2012 spreads fertilizer over the fields refreshing grand board super rice special fertilizer (22-8-12) 25 before sowing
Manually turned over after kg/acre, rake after uniformly sow.
Topdress (2.76 kilograms of N, 0 kilogram of P2O5, 0 kilogram of K2O)：On April 26th, 2012 imposes urea (N46%)
6 kgs/acre.
Routine control area (8.26 kilograms of N, 2 kilograms of P2O5, 3 kilograms of K2O)。
Base manure (5.5 kilograms of N, 2 kilograms of P2O5, 3 kilograms of K2O)：Refreshing grand board is spread fertilizer over the fields before sowing on April 8th, 2012 to surpass
Manually turn over and uniformly sowed after raking after 25 kgs/acre of level rice special fertilizer (22-8-12).
Topdress (2.76 kilograms of N, 0 kilogram of P2O5, 0 kilogram of K2O)：On April 26th, 2012 imposes urea (46%)
6 kgs/acre.
Lime nitrogen treatment region operates consistent with control measures with other fields of Routine control area.
6th, demonstration result and analysis
(1) influence of the liming nitrogen to rice seedling
It is to investigate seedling growth situation on April 26th, 2012 in rice seedling seedling stage (heart stage of two leaf one), the results are shown in Table 1.
Table on April 26th, 1 2012 seeding stage (heart stage of two leaf one) rice shoot investigation table
Table 1 as can be seen that the treatment region of liming nitrogen, the total radical of every plant of rice shoot, every plant of white root, plant height, stem foot slightly,
Percentage establishment of seedling respectively 1.7/plant higher than Routine control area, 3.8/plant, 0.4cm, 0.026cm, 4.3 percentage points, illustrate water
Rice liming nitrogen can be obviously improved autumn seedling quality, promote root system development, improve percentage establishment of seedling.
(2) liming nitrogen is to rice seedling plant height, per influence of the seedling with tiller number and root system development
Be in the rice transplanting phase on May 8th, 2012 (sowing 30 days), on May 11st, 2012 (sowing 33 days),
Rice shoot plant height, band tiller number and the root system situation per seedling are investigated respectively three times on May 17th, 2012 (sowing 40 days), as a result see
Table 2.
The transplanting time rice shoot investigation table of table 2
From table 2 it can be seen that the treatment region of liming nitrogen, height of seedling is routinely right in the internal ratio of sowing 30 days (seedling age)
According to the high 0.2cm in area, single root and stem of certain plants tiller number many 6.7%, root system is more sturdy than the control head of district, and is observed after overage 3-10 days, height of seedling ratio
The low 0.6-3.1cm in Routine control area, single many 10.5-12.9% of root and stem of certain plants tiller number, root system is shorter and sturdy than check plot, illustrates raising rice seedlings
Liming nitrogen can substantially control rice shoot plant height, promote rice shoot tiller, improve single root and stem of certain plants tiller number, improve and transplant basic seedling amount, control
The overage overgrowing of system, reduces the Basic Seedling caused by plant height and damages, taken a firm foundation to improve field rice yield.
2nd, lime nitrogen demonstration effect on an early late rice double cropping early rice
1st, demonstration place and soil regime：Hengyang County Xi Du towns rich peasant grain quality rice crop cultivation speciality cooperative society plum blossom base, physical features
Flat, fertility is more uniform, and soil is yellow mud field.
2nd, demonstration area：19.9 mu of lime nitrogen demonstration area (11 Confucius fields), 5.7 mu of Routine control area (3 Confucius fields), altogether
25.6 mu (14 Confucius fields).
3rd, demonstrate beginning and end time：On March 21st, 2012 concentrates seedling, spreads fertilizer over the fields lime nitrogen, 2012 on April 20th, 2012
Artificial hand was inserted and transplanted on April 27, in, the effectively economic characters data such as fringe of crop field species test on July 10 sampling and measuring mu in 2012,
On July 12nd, 2012, mechanical harvesting measurement was per Confucius fields actual production.
4th, material and confession are shown as thing
Lime nitrogen (50% is modified nitrolim antimicrobial granules agent, Darong Industrial Group Co., Ltd., Ningxia's production)：15 kilograms
/ Mu Xianlin boards composite fertilizer (20-8-12)
Urea (N46%)
For being shown as thing：Mound two excellent 268
5th, demonstration is set and method
Demonstration sets lime nitrogen treatment region and the processing of two, Routine control area, sets the different fields of the same area to repeat, lime nitrogen
The Confucius fields for the treatment of region 11, the Confucius fields of Routine control area 3, totally 14 Confucius fields, and numbering.
Lime nitrogen treatment region (11 kilograms of N, 3.2 kilograms of P2O5, 4.8 kilograms of K2O)
Base manure (9 kilograms of N, 2.4 kilograms of P2O5, 3.6 kilograms of K2O)：Spread fertilizer over the fields lime nitrogen 15 on April 20th, 2012 public
Pound/acre and 100 kilograms of pig manures after rotary tillage, lime nitrogen and pig manure is well mixed with soil, on April 26th, 2012 spreads fertilizer over the fields celestial being
30 kgs/acre of Lin Pai composite fertilizers (20-8-12) and rotary tillage, make fertilizer be well mixed with soil, and on April 27th, 2012 transplants
Rice shoot.
Topdress (2 kilograms of N, 0.8 kilogram of P2O5, 1.2 kilograms of K2O)：On May 4th, 2012 imposes Xian Lin boards composite fertilizer
10 kgs/acre of (20-8-12).
Routine control area (10.3 kilograms of N, 3.2 kilograms of P2O5, 4.8 kilograms of K2O)
Base manure (6 kilograms of N, 2.4 kilograms of P2O5, 3.6 kilograms of K2O)：On April 20th, 2012 spreads fertilizer over the fields 100 kilograms of pigs
Rotary tillage after excrement, makes pig manure be well mixed with soil, spreads fertilizer over the fields Xian Lin boards composite fertilizer (20-8-12) 30 on April 26th, 2012 public
Pound/acre and rotary tillage, fertilizer is well mixed with soil, on April 27th, 2012 transplanting seedlings.
Topdress (4.3 kilograms of N, 0.8 kilogram of P2O5, 1.2 kilograms of K2O)：Celestial phosphorus board is imposed on May 4th, 2012 to be combined
10 kgs/acre of fertile (20-8-12), imposes urea (N46%) kg/acre May 17.
Lime nitrogen treatment region operates consistent with control measures with other fields of Routine control area.
Harvesting measures the Confucius fields of lime nitrogen treatment region the 2nd, the 8th Confucius fields, the 10th Confucius fields and the Confucius of Routine control area the 12nd for first 1 day
Field, the 13rd Confucius fields, the 14th Confucius fields theoretical economic trait data, specific data such as table 5.1-14 Confucius fields are actual during harvesting
Yield singles singly receive, actual production statistics such as table 6.
6th, demonstration result
(1) influence of the liming nitrogen to Rice Growing character
As can be seen from Table 3, period of seedling establishment is consistent with beginning ear period after liming nitrogen, full heading time but than control early 1-2 days, into
Bar green grass or young crops seed is yellow during ripe harvesting, illustrates lime nitrogen efficiency slow release persistently, Later growth does not take off fertilizer, the lime nitrogen area maturity period is advanced by
2 days, accordingly shorten semilate rice Crop growing stage.
The Growth Character of table 3 records table
(2) influence of the liming nitrogen to rice tillering character
As can be found from Table 4, from the phase is begun in crop tiller, the enhancing of lime nitrogen treatment region tillering ability, when stopping to tiller,
Lime nitrogen processing tiller illustrates that lime nitrogen can promote the tiller of paddy rice than control mean height 14.29%.
Table 4 tillering stage character records table
(3) influence of the liming nitrogen to Economic Character of Rice and yield
As can be seen from Table 5, the every economic characters of lime nitrogen treatment region are all better than Routine control area, especially the effective fringe of mu,
Defined daily doses are larger to yield effect, and every mu of theoretical yield is higher than Routine control area 171.6 kilograms, and actual production is compared
According to 126.1 kilograms of volume increase, 327.9 yuan of output being increased newly, increasing 100.5 yuan of input newly, it is 1 to increase input-output ratio newly:3:3, warp
Benefit of helping is extremely notable.
The economic characters of table 5 and yield application form
Remarks：Lime nitrogen, urea, the market price of composite fertilizer (20-8-12) and paddy press 7.5 yuan/kilogram respectively, 2.4 yuan/
Kilogram, 2.8 yuan/kilogram and 2.6 yuan/kilogram calculate.
As can be seen from Table 6,10800 kilograms of the actual total output of 11 Confucius model fields of liming nitrogen
The plum blossom base demonstration area actual production statistical form of table 6
543 kilograms of average product of mu, is rejected by appearance lodges, band barnyard grass is more after external rice shoot, transplanting, influence paddy growth
The yield in the 5th, 6, the 7 Confucius fields etc. factor, the 1st, 2,3,4,8,9,10,11 Confucius fields of liming nitrogen totally 8
Actual 7308 kilograms of the total output in Confucius fields (13 mu), 562 kilograms of mu average product, the Confucius fields of Routine control area 3 (5.7 mu)
Mu average product increases than Routine control area after actual 2592 kilograms of total output, 456 kilograms of mu average product, liming nitrogen
106 kilograms of production, mu averagely increases by 275.6 yuan of income, increases production with the 2nd, 8,10 Confucius fields average products of selective examination before harvesting
126.1 kilogram, mus averagely 327.9 yuan of increase income, indicates the effect of increasing income after liming nitrogen extremely notable.
(4) influence of the liming nitrogen to Agro-ecology and social environment
Lime nitrogen treatment region even spread fertilizer over the fields per mu reduces 5 kgs/acre of the urea amount of imposing after 15 kilograms of lime nitrogens, reduce agriculture face
The noxious gas emissions such as source carbon dioxide.Big treasured Rong Dan treatment region nitrogen usage amounts are can be seen that in setting from demonstration to add
6.8% i.e. mu has only increased 0.7 kilogram, and phosphorus, the amount of application of potassium nutrition do not increase, and yield but adds 27.7%, says
Bright liming nitrogen can be needed for the paddy rice such as slow-release nitrogen, calcium a variety of nutrition, it is possible to increase the comprehensive utilization ratio of fertilizer, is water
Environmental protection is realized in rice production, economizing on resources and increasing the benefit plays a significant role.
3rd, lime nitrogen demonstration effect on the oily triple-cropping system early rice of one rice of rice one
1st, demonstration place and soil regime：The salty middle base of Hengyang County Xi Du towns rich peasant's grain quality rice crop cultivation speciality cooperative society, physical features
Flat, fertility is more uniform, and soil is yellow mud field.
2nd, demonstration area：3.55 mu of lime nitrogen demonstration area (2 Confucius fields), 4.04 mu of Routine control area (2 Confucius fields), altogether
7.59 mu.
3rd, demonstrate beginning and end time：Dispenser on May 16 in 2012, on May 17th, 2012, artificial hand was inserted, in July, 2012
The effectively economic characters data such as fringe of crop field species test sampling and measuring mu on the 20th, on July 21st, 2012, mechanical harvesting measurement was per Confucius fields
Actual production.
4th, material and confession are shown as thing
Lime nitrogen (50% is modified nitrolim antimicrobial granules agent, Darong Industrial Group Co., Ltd., Ningxia's production)：10 kilograms
/ mu.
The grand board super hybridization rice special complex fertilizer (22-3-12) of god
Urea (46%)
For being shown as thing：Local routine early-paddy brown rice
5th, demonstration is set and method
Demonstration sets lime nitrogen treatment region and the processing of two, Routine control area, sets the different fields of the same area to repeat, lime nitrogen
The Confucius fields for the treatment of region 2, the Confucius fields of Routine control area 2.
Lime nitrogen treatment region (12.15 kilograms of N, 1.6 kilograms of P2O5, 2.4 kilograms of K2O)。
Base manure (8.7 kilograms of N, 1.6 kilograms of P2O5, 2.4 kilograms of K2O)：On May 16th, 2012 spreads fertilizer over the fields lime nitrogen 10
Kg/acre and rotary tillage be well mixed with soil after spread fertilizer over the fields 20 kgs/acre of refreshing grand board super hybridization rice special complex fertilizer (22-8-12) and
5 kgs/acre of urea (N46%) and rotary tillage, make fertilizer be well mixed with soil, and on May 17th, 2012 transplants autumn seedling.
Topdress (3.45 kilograms of N, 0 kilogram of P2O5, 0 kilogram of K2O)：On May 27th, 2012 imposes urea (46%N)
7.5 kg/acre.
Routine control area (10.15 kilograms of N, 1.6 kilograms of P2O5, 2.4 kilograms of K2O)。
Base manure (6.7 kilograms of N, 1.6 kilograms of P2O5, 2.4 kilograms of K2O)：It is super that on May 16th, 2012 spreads fertilizer over the fields refreshing grand board
5 kgs/acre of 20 kgs/acre of rice special complex fertilizer (22-8-12) and urea (46%N) and rotary tillage, make fertilizer be mixed with soil
Uniformly, transplanting seedlings on May 17th, 2012.
Topdress (kilogram 3.45N, 0 kilogram of P2O5, 0 kilogram of K2O)：May 27 in 2012 imposes urea (46%N)
7.5 kg/acre.
Lime nitrogen treatment region operates consistent with control measures with other fields of Routine control area.
Harvesting measures the Confucius fields of lime nitrogen treatment region the 1st, the 4th Confucius fields and the Confucius fields of Routine control area the 2nd, the 7th Confucius fields for first 1 day
Theoretical economic trait data, specific data are shown in Table 9.1-7 Confucius fields actual production singles are singly received during harvesting, actual production
Statistics is shown in Table 10.
6th, demonstration result
(1) liming nitrogen becomes thoroughly decomposed the influence of speed to subterranean pest-insect and rape returning to the field tangerine stalk
Mu is applied to observe within the 2nd day after the treatment region rotary tillage of 10 kilograms of lime nitrogens and found：Originally it is attached to rape stalk sweetening of the soil
Insect there is Large Scale Death, and Routine control area death toll is less, and the 7th day of dispenser it has been observed that lime nitrogen is handled
The rape tangerine stalk in area starts to black and softened, and unit area mosquito number is significantly reduced in rice field, does not have blue-green algae, barefoot under
Substantially feel that the rape tangerine stalk for obtaining big treasured Rong Dan treatment regions is reduced to the stimulation of human skin during the operation of field, illustrate lime
Nitrogen has preventing and treating subterranean pest-insect, accelerates rape tangerine stalk to become thoroughly decomposed, prevents and kill off effect with blue-green algae, improves Agro-ecology and operating environment.
(2) influence of the liming nitrogen to Rice Growing character
As can be seen from Table 7, period of seedling establishment after 10 kilograms of mu liming nitrogen, tiller peak period, beginning ear period, full heading time and into
The ripe phase is consistent with Routine control area, and bar green grass or young crops seed is yellow during ripe and harvested, illustrates lime nitrogen efficiency slow release persistently, from Later growth not
The performance of de- fertilizer and fertility foot sees that mu, which is applied, has the potentiality for subtracting and applying nitrogen after 10 kilograms of lime nitrogens.
Table 7 is given birth to and character record table
(3) influence of the liming nitrogen to rice tillering character
As can be found from Table 8, from the phase is begun in crop tiller, the enhancing of lime nitrogen treatment region tillering ability, when stopping to tiller,
Flourish treasured tiller growth rate is higher by 15.15% than compareing, and illustrates that lime nitrogen can promote the tiller of paddy rice.
Table 8 tillering stage character records table
(4) liming nitrogen is to Economic Character of Rice and yield effect
Can be to go out from table 9, lime nitrogen treatment region items economic characters are all better than compareing, especially the effective fringe of mu, the reality per fringe
Grain number is larger to yield effect, and every mu of theoretical yield is higher 87.2 kilograms than compareing, and actual production is more public than control volume increase 111.8
Jin, increases 290.7 yuan of output newly, increases 75 yuan of input newly, and it is 1 to increase input-output ratio newly:3.9.
The economic characters of table 9 and yield application form
Remarks：Lime nitrogen, urea, composite fertilizer (22-8-12) and paddy market price respectively by 7.5 yuan/kilogram, 2.4 yuan/
Kilogram, 3.6 yuan/kilogram and 2.6 yuan/kilogram calculate.
As can be seen from Table 10, the actual 1458 kilograms of mus of total output of the 2 Confucius model fields (3.55 mu) of liming nitrogen are averaged
410 kilograms of yield, actual 2484 kilograms of the total output in the Confucius fields of Routine control area 5 (7.99 mu), mu average product 311 is public
Mu average product increases production 99 kilograms than check plot after jin, liming nitrogen, and mu averagely increases by 257.4 yuan of income, before harvesting
Selective examination average product as listed by table 9 increases production 111.8 kilogram, mus averagely 290.7 yuan of increase income and indicates extremely significant increasing
Produce the effect of increasing income.
The Xian Zhong base demonstrations area actual production statistical form of table 10
4th, conclusions and recommendations
1st, liming nitrogen concentrates seedling, can be obviously promoted rice shoot root system development, controls rice shoot plant height, promotes rice shoot tiller,
Single root and stem of certain plants tiller number is improved, improves and transplants basic seedling amount, overage overgrowing is controlled, the Basic Seedling caused by plant height is reduced and damages, to improve
Field rice yield is taken a firm foundation.
2nd, liming nitrogen, with preventing and treating subterranean pest-insect, accelerates rape tangerine stalk to become thoroughly decomposed, prevents and kill off effect with blue-green algae, improve
Agro-ecology and operating environment.
3rd, lime nitrogen can move sustained release nitrogen and calcium element 3-4 months, and late growth stage of rice does not take off fertilizer, improve the comprehensive sharp of fertilizer
With rate, demonstration effect shows, liming nitrogen, and bar green grass or young crops seed yellow non-lodging during rice harvesting, lime nitrogen treatment region nitrogen is used
Amount merely add 6.8% i.e. mu and only increase 0.7 kilogram, and phosphorus, the amount of application of potassium nutrition do not increase yield and but added
27.7%, illustrate a variety of nutrition that liming nitrogen can be needed for the paddy rice such as slow-release nitrogen, calcium, the comprehensive profit for improving fertilizer can be moved
With rate, the noxious gas emissions such as agricultural area source carbon dioxide are reduced, are that Rice Production realizes environmental protection, economizes on resources and carry
High benefit plays a significant role.
4th, lime nitrogen can be obviously improved the Growth Character of paddy rice.Demonstration effect shows：Liming nitrogen, can strengthen water
The photosynthesis of rice, leaf color is glossy dark green, promotes rice tillering, and late growth stage of rice does not take off fertilizer, and the yellow non-lodging of bar green grass or young crops seed can
Paddy rice number of productive ear is improved, increases Defined daily doses, setting percentage is improved, it is ripe 1-2 days in advance.
5th, lime nitrogen can be obviously improved the economic characters of paddy rice, and economic benefit is extremely notable, and demonstration effect shows, apply
Lime nitrogen, improves paddy rice number of productive ear, increases Defined daily doses, improve setting percentage, output increased 27.7%-36.9%,
Newly-increased input-output ratio has reached 1:3.3-3.9, economic benefit is extremely notable, and a weight is have found to improve Rice Cropping benefit
The technological approaches wanted.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and do not carrying on the back
In the case of spirit or essential attributes from the present invention, the present invention can be realized in other specific forms.Therefore, no matter from
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only included
One independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should be by
Specification is as an entirety, and the technical solutions in the various embodiments may also be suitably combined, and forming those skilled in the art can
With the other embodiment of understanding.
Claims (10)
1. a kind of purposes of lime nitrogen in preparing increase rice tillering, improving the fertilizer of yield, it is characterised in that the stone
Grey nitrogen includes according to the composition of mass percent：Silica 1 %-3%, free carbon 11%-15%, alundum (Al2O3) 1%-3%,
Di-iron trioxide 0.2%-1.0%, free calcium oxide 21%-27%, magnesia 0.3%-1.0%, calcium cyanamide 50%-63%, carbon
Change calcium 0.1%-0.3%.
2. purposes of the lime nitrogen according to claim 1 in preparing increase rice tillering, improving the fertilizer of yield, its
It is characterised by, the lime nitrogen includes according to the composition of mass percent：Silica 1 .78%, free carbon 13.06%, three
Al 2 O 1.74%, di-iron trioxide 0.45%, free calcium oxide 24.74%, magnesia 0.76%, calcium cyanamide 57.32%,
Calcium carbide 0.15%.
3. rice tillering, the method for improving yield, Rice Cropping are increased according to any described lime nitrogen of claim 1 or 2
Process include：Site preparation, nursery, rice transplanting, weeding deinsectization, fertilising, filling draining, harvesting；Characterized in that, in site preparation
When, spread fertilizer over the fields 10-15 kgs/acre of lime nitrogen and rotary tillage, spread fertilizer over the fields manually turned over after 25-30 kgs/acre of composite fertilizer, rake after
Even sowing；Topdressed after 5-15 days 5-10 kgs/acre.
4. lime nitrogen increase rice tillering according to claim 3, the method for improving yield, it is characterised in that spread fertilizer over the fields
95-105 kgs/acre of organic fertilizer or barnyard manure are also mixed with during lime nitrogen.
5. lime nitrogen increase rice tillering according to claim 4, the method for improving yield, it is characterised in that spread fertilizer over the fields
100 kgs/acre of organic fertilizers or barnyard manure are also mixed with during lime nitrogen.
6. the lime nitrogen increase rice tillering according to claim 4 or 5, the method for improving yield, it is characterised in that
Organic fertilizer is the stalk of wheat, rice, corn or sorghum, and barnyard manure uses chicken manure, pig manure, sheep manure or cow dung.
7. lime nitrogen increase rice tillering according to claim 3, the method for improving yield, it is characterised in that compound
Fertilizer is using the grand board super rice special fertilizer of 22-8-12 god or 22-8-12 Xian Lin boards composite fertilizer.
8. lime nitrogen increase rice tillering according to claim 3, the method for improving yield, it is characterised in that spread fertilizer over the fields
Lime nitrogen decomposable process produce plant growth promoter.
9. lime nitrogen increase rice tillering according to claim 8, the method for improving yield, it is characterised in that plant
Growth promoter is cyanamide.
10. lime nitrogen increase rice tillering according to claim 3, the method for improving yield, it is characterised in that chase after
The fertilizer used when fertile is urea or 22-8-12 Xian Lin boards composite fertilizer.
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