CN1180674C - Fertilizer applying expert system for vegetable in green house - Google Patents
Fertilizer applying expert system for vegetable in green house Download PDFInfo
- Publication number
- CN1180674C CN1180674C CNB021104956A CN02110495A CN1180674C CN 1180674 C CN1180674 C CN 1180674C CN B021104956 A CNB021104956 A CN B021104956A CN 02110495 A CN02110495 A CN 02110495A CN 1180674 C CN1180674 C CN 1180674C
- Authority
- CN
- China
- Prior art keywords
- soil
- fertilizer
- nitrogen
- potassium
- phosphorus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The present invention relates to a fertilizer applying expert system for vegetables in a green house, which belongs to the technical field of a method for using a computer system to apply fertilizer to vegetables in green houses. The present invention comprises the method that data which relative to fertilizer application is collected, and correlated equations are established based on the collected data; the yield of vegetables is divided into different grades, namely, economic yield, maximum yield and medium yield, and then soil nutrient in green houses with different ages is divided into a new house and an old house; a computer program is programmed according to the relative parameters, such as the correlated equations, vegetable nutritional requirement rules, etc. to design the fertilizer applying system, and then users operate by the computer programming to obtain fertilizer dose. The present invention used for instructing vegetable fertilizer application has the advantages of reasonable fertilizer application, accurate amount, wide representative range, balanced nutrient, simple operation and easy popularization. When the system is opened, users only need to input effective content of nitrogen, phosphorus and kalium in soil, and then select a plurality of key parameters, the system can automatically calculate the required content of the elements of nitrogen, phosphorus and potassium, and then calculate the required content of the elements into the amount of various kinds of fertilizer.
Description
(1) technical field
The present invention relates to utilize computer system to carry out the method for booth vegetable fertilising, belong to vegetables fertilizer practice field.
(2) background technology
The eighties in 20th century, in order to solve the single problem of China's winter vegetable kind, Wafangdian, Liaoning Province peasant has invented winter warm type plastic tunnel with Chinese characteristics, and promotes rapidly in the northern area of China.Because booth vegetable fertilising is lacked system research, the peasant continues to use the fertilizer application mode of custom and empirical formula always, causes soil nutrient out of proportion, the utilization rate of fertilizer reduction, and deterioration in quality, and limited the further raising of output.At present traditional research method is still adopted in booth vegetable fertilising research, as study certain fertilizer on a certain plot effect of increasing production and availability or study fiting effect of several fertilizer etc., the result of this research method has certain meaning to instructing the cereal crops fertilising, but for instructing the booth vegetable fertilising that very big defective is arranged.At first plastic tunnel is built on field soil, owing to build time limit difference, is subjected to the influence of Fertilization Level, and soil fertility basis and nutrient content difference are very big, and the result of the test in indivedual plot is representative poor, is difficult to promote.Secondly existing fertilization recommendation method mainly according to yield level, crop nutrition content content, utilization rate of fertilizer by manually calculating fertilising quantity, this method is because the restriction of the means of calculating, the factor of considering is few, the quantity of factor level also is restricted, and has influenced the further raising of booth vegetable Fertilization Level greatly.
(3) summary of the invention
The present invention is directed to the deficiencies in the prior art, utilization crop-soil-fertilizer three equilibrium principle, utilize calculator to determine the method for booth vegetable fertilising quantity, kind, mode, theoretical research by system is obtained relevant data and parameter with verification experimental verification, utilize huge calculating of calculator and optimal design ability,, form fertilizer applying expert system in conjunction with computer program, so only need several parameters that become more readily available are imported calculator, just can obtain the fertilising scheme in this plot.
Fertilizer applying expert system for vegetable in green house of the present invention comprises that method is as follows: the data relevant with fertilising are collected, set up dependent equation according to above-mentioned data, it is economic flow rate, maximum output and moderate-yield that yield of vegetables is divided into different grades, plastic shed soil nutrient not of the same age divided promptly be divided into Xin Peng and Lao Peng, there is related parameter to prepare a computer program according to nutritional need rule of above-mentioned relation equation, vegetables etc. again, make fertilization system, obtain fertilizer amount as follows, wherein utilize calculator to carry out following operation:
1. beginning,
2. program initialization,
3. the user selects soil types,
4. computer program provides available nitrogen, available phosphorus, effective potassium content of selected soil acquiescence automatically,
5. the user grasps available nitrogen, phosphorus, the potassium content of this soil, adds nitrogen, phosphorus, the potassium content of soil voluntarily by the user,
The user does not know the concrete content of this soil available nitrogen, phosphorus, each element of potassium, and it is new canopy or old canopy that the user selects, computer program according to selected be new canopy or old canopy, change the content of soil nitrogen phosphorus potassium,
6. selection vegetable variety,
7. select the output of hope,
8. according to the output of hope, obtain the critical value L of soil available nitrogen phosphorus potassium,
9. is soil available nitrogen phosphorus potassium content greater than critical value?
10. be that the fertilizer application quantity of nitrogen phosphorus potassium is predetermined value (a pure nutrient), perhaps
11. not, can get institute's fertilise application quantity of nitrogen phosphorus potassium (pure nutrient) by given soil available nitrogen phosphorus potassium content and operational formula,
12. amount to into fertilizer amount by the pure nutrient of fertilizer.
Characteristics of the present invention are: only finish data by test (comprising field trial, pot experiment and constructed experiment and investigation) and collect in an area, after the program composition, very simple when directing fertilising concretely, only need several parameters that become more readily available are imported calculator, just can obtain the fertilising scheme in this plot.
The above-mentioned data relevant with fertilising are collected, and concrete operations are as follows:
(1) relation of the fertilizing amount and the available nutrient of soil
Gather soil sample: counties and cities divide light earth, middle earth, heavy earth to take 20cm soil layer soil sample by the soil texture, and each makes mixed soil sample more than selecting 20 points at least, and room-dry is chosen big stone and grass roots, whole 1mm sieves of crossing.Fertilising: take by weighing the air-dry soil sample that 20g crosses 1mm sieve and put into small beaker for 14 parts, add 0,20,40,60,80 respectively, 100,200,300,400,500,600,700,800,900mg/kg nitrogen solution 20ml (amounts to mu and executes purity nitrogen 0,3,6,9,12,15,30,45,60,75,90,105,120,135 kilograms), shake mixing after, uncovered natural seasoning (lid filter paper), conventional method is measured soil alkali-hydrolyzable nitrogen content.Phosphorus, potassium way are identical
(2) relation of the vegetable growth and the available nutrient of soil
Pot experiment: fixing fertilizer amount such as phosphorus, potassium, nitrogenous fertilizer is established 8 consumptions, amounts to every mu and executes 0,10,20,30,40,60,80,100 kilograms of allotments of purity nitrogen readily available nutrient of soil, divides in the cycle at vegetable growth to be manured into soil for 3～5 times, and phosphorus potash fertilizer way is identical.
Field trial: the processing of selecting on the basis of pot experiment verifies to the field, and compares with habits fertilization, determines that this vegetable variety is in best soil nutrient elements content and the ratio of this area growth.
(3) the nutritional need rule of vegetables
Choose the uniform booth of soil fertility, apply sufficient fertilizer and suitable n p k fertilizer, get the oven dry of plant sample by stages, get for each issue part fresh fruit full pattern section oven dry, levigate, make aggregate sample.Measure the nutrient content in plant and the fruit, with the time behind the vegetable permanent planting be abscissa, the nutrient quantity of absorption is the ordinate curve plotting, determines that the vegetables different growing stage absorbs the quantity and the ratio of nutrient.
(4) investigation land for growing field crops, this area and plastic shed soil available nitrogen phosphorus potassium situation and yield of vegetables level
Set up dependent equation according to above-mentioned data, specifically comprise as follows:
(1) be abscissa with the nitrogen amount that is manured into soil, the alkali-hydrolyzable nitrogen amount that soil increases is an ordinate, sets up the relation equation between soil alkali-hydrolyzable nitrogen recruitment and the amount of application of nitrogen fertilizer; Y=A+BX, B represents slope of a curve, and A represents the intercept of curve on ordinate.
(2) be abscissa with the phosphorus pentoxide that is manured into soil, the rapid available phosphorus amount that soil increases is an ordinate, sets up the relation equation between soil quick-effective phosphor recruitment and the phosphate fertilizer amount; Y=A+BX, B represents slope of a curve, and A represents the intercept of curve on ordinate.
(3) be abscissa with the potassium oxide that is manured into soil, the available potassium amount that soil increases is an ordinate, sets up the relation equation between soil available potassium recruitment and the potash fertilizer amount of application; Y=A+BX, B represents slope of a curve, and A represents the intercept of curve on ordinate.
(4) be abscissa with soil alkali-hydrolyzable nitrogen amount, yield of vegetables, growing way (as plant height etc.) are ordinate, set up the relation equation of vegetable growth and soil available nitrogen; Y=B
2X
2+ B
1X+A, B
1And B
2Represent regression coefficient respectively, the A representative returns intercept.
(5) be abscissa with the soil quick-effective phosphor amount, yield of vegetables, growing way (as plant height etc.) are ordinate, set up the relation equation of vegetable growth and soil available phosphorus; Y=B
2X
2+ B
1X+A, B
1And B
2Represent regression coefficient respectively, the A representative returns intercept; Or Y=Ln (X)+A, the intercept of A representative on ordinate.
(6) be abscissa with soil available potassium amount, yield of vegetables, growing way (as plant height etc.) are ordinate, set up the relation equation of vegetable growth and the effective potassium of soil.Y=B
2X
2+ B
1X+A, B
1And B
2Represent regression coefficient respectively, the A representative returns intercept; Or Y=Ln (X)+A, the intercept of A representative on ordinate.
The application of this system is as follows
When opening system → selection soil types → known soil available nitrogen phosphorus potassium content, with its input.When not knowing soil available nitrogen phosphorus potassium content, when Using Defaults → not knowing soil available nitrogen phosphorus potassium content, select the yield level → calculator calculating → system of new canopy or old canopy when soil available nitrogen phosphorus potassium content (known, need not select this) → select vegetable variety → selections hope to provide the pure nutrient quantity of required nitrogen phosphorus potassium → amount to into different fertilizer quantity (scheme of promptly applying fertilizer).
Excellent results of the present invention
1. fertilising is more reasonable, and quantity is more accurate.Owing to the foundation and the application of fertilising equation, only need the available nutrient content in the concrete plot of input, calculator can provide the usage quantity of nitrogen, phosphorus, potash fertilizer, has changed the situation that a general scope can only be provided in the past.
2. representative scope is wide.Fertilising equation in an area according to soil types or quality foundation has general application value, has eliminated the error of bringing because of the soil nutrient content difference.
3. balance more between the nutrient.Owing to can import a plurality of nutrient parameters simultaneously, and the present invention also is to be the center with the soil nutrient, can create a good soil balance nutrient environment for vegetable growth.
4. native system is simple to operate, and promotion prospect is good.Open system, only need available nitrogen, phosphorus, the potassium content of input soil, select several key parameters, system can provide the amount of required nitrogen, phosphorus, potassium element by computing automatically, and then amounts to into the amount of various fertilizer.The agrotechnical member in county, township even understand that a little the vegetable grower of calculator can both use is easy to promote.
(4) description of drawings
Accompanying drawing is a vegetables fertilization system flow chart of the present invention.
(5) embodiment
Embodiment 1:
1. the relation of the fertilizing amount and the available nutrient of soil
Gather soil sample: counties and cities divide light earth, middle earth, heavy earth to take 20cm soil layer soil sample by the soil texture, and each makes mixed soil sample more than selecting 20 points at least, and room-dry is chosen big stone and grass roots, whole 1mm sieves of crossing.
Fertilising: take by weighing the air-dry soil sample that 20g crosses 1mm sieve and put into small beaker for 14 parts, add 0,20,40,60,80 respectively, 100,200,300,400,500,600,700,800,900mg/kg nitrogen solution 20ml (amounts to mu and executes purity nitrogen 0,3,6,9,12,15,30,45,60,75,90,105,120,135 kilograms), shake mixing after, uncovered natural seasoning (lid filter paper), conventional method is measured soil alkali-hydrolyzable nitrogen content.Phosphorus, potassium way are identical.
With the nitrogen amount that is manured into soil is abscissa, and the alkali-hydrolyzable nitrogen amount that soil increases is an ordinate, sets up the relation equation between soil alkali-hydrolyzable nitrogen recruitment and the amount of application of nitrogen fertilizer.Y=A+BX, B represents slope of a curve, and A represents the intercept of curve on ordinate.
With the phosphorus pentoxide that is manured into soil is abscissa, and the rapid available phosphorus amount that soil increases is an ordinate, sets up the relation equation between soil quick-effective phosphor recruitment and the phosphate fertilizer amount.Y=A+BX, B represents slope of a curve, and A represents the intercept of curve on ordinate.
With the potassium oxide that is manured into soil is abscissa, and the available potassium amount that soil increases is an ordinate, sets up the relation equation between soil available potassium recruitment and the potash fertilizer amount of application.Y=A+BX, B represents slope of a curve, and A represents the intercept of curve on ordinate.
2. cucumber growth is grown the relation with the available nutrient of soil
Pot experiment: fixing fertilizer amount such as phosphorus, potassium, nitrogenous fertilizer is established 8 consumptions, amounts to every mu and executes 0,10,20,30,40,60,80,100 kilograms of allotments of purity nitrogen readily available nutrient of soil, divides in the cycle at cucumber growth to be manured into soil for 3～5 times, and phosphorus potash fertilizer way is identical.
Field trial: the processing of selecting on the basis of pot experiment verifies to the field, and compares with habits fertilization, determines that this vegetable variety is in best soil nutrient elements content and the ratio of this area growth.
With soil alkali-hydrolyzable nitrogen amount is abscissa, and cucumber yield, growing way (as plant height etc.) are ordinate, sets up cucumber growth and grows relation equation with soil available nitrogen.Y=B
2X
2+ B
1X+A, B
1And B
2Represent regression coefficient respectively, the A representative returns intercept.
With the soil quick-effective phosphor amount is abscissa, and cucumber yield, growing way (as plant height etc.) are ordinate, sets up cucumber growth and grows relation equation with soil available phosphorus.Y=B
2X
2+ B
1X+A, B
1And B
2Represent regression coefficient respectively, the A representative returns intercept.
With soil available potassium amount is abscissa, and cucumber yield, growing way (as plant height etc.) are ordinate, sets up cucumber growth and grows relation equation with the effective potassium of soil.Y=B
2X
2+ B
1X+A, B
1And B
2Represent regression coefficient respectively, the A representative returns intercept.
3. the nutritional need rule of cucumber
Choose the uniform booth of soil fertility, apply sufficient fertilizer and suitable n p k fertilizer, get the oven dry of plant sample by stages, get for each issue part fresh fruit full pattern section oven dry, levigate, make aggregate sample.Measure the nutrient content in plant and the fruit, with breeding time after the cucumber field planting be abscissa, the nutrient quantity of absorption is the ordinate curve plotting, determines that the cucumber different growing stage absorbs the quantity and the ratio of nutrient.
4. investigate land for growing field crops, this area and plastic shed soil available nitrogen phosphorus potassium situation and cucumber yield level.
5. according to accompanying drawing cucumber fertilization system flowcharter, set up the cucumber fertilizer applying expert system.
It is economic flow rate, maximum output and moderate-yield that cucumber yield is divided into different grades, plastic shed soil nutrient not of the same age divided promptly be divided into Xin Peng and Lao Peng, there is related parameter to program according to nutritional need rule of above-mentioned 6 relation equations, cucumber etc. again, makes fertilizer applying expert system.
6. the application of system
When opening system → selection soil types → known soil available nitrogen phosphorus potassium content, with its input.When not knowing soil available nitrogen phosphorus potassium content, when Using Defaults → not knowing soil available nitrogen phosphorus potassium content, select the yield level → calculator calculating → system of new canopy or old canopy when soil available nitrogen phosphorus potassium content (known, need not select this) → select vegetables cucumber → selections hope to provide the pure nutrient quantity of required nitrogen phosphorus potassium → amount to into different fertilizer quantity (scheme of promptly applying fertilizer).
Embodiment 2: as described in embodiment 1, different is that vegetable variety and the fertilizing amount selected are as follows:
Chili growth is grown the relation with the available nutrient of soil
Pot experiment: fixing fertilizer amount such as phosphorus, potassium, nitrogenous fertilizer is established 8 consumptions, amounts to every mu and executes 0,10,20,30,40,50,60,70 kilograms of allotments of purity nitrogen readily available nutrient of soil, divides in the cycle at chili growth to be manured into soil for 3～5 times, and phosphorus potash fertilizer way is identical.
Field trial: the processing of selecting on the basis of pot experiment verifies to the field, and compares with habits fertilization, determines that this vegetable variety is in best soil nutrient elements content and the ratio of this area growth.
With soil alkali-hydrolyzable nitrogen amount is abscissa, and yield of hot pepper, growing way (as plant height etc.) are ordinate, sets up chili growth and grows relation equation with soil available nitrogen.Y=B
2X
2+ B
1X+A, B
1And B
2Represent regression coefficient respectively, the A representative returns intercept.
With the soil quick-effective phosphor amount is abscissa, and yield of hot pepper, growing way (as plant height etc.) are ordinate, sets up chili growth and grows relation equation with soil available phosphorus.Y=Ln (X)+A, the intercept of A representative on ordinate.
With soil available potassium amount is abscissa, and yield of hot pepper, growing way (as plant height etc.) are ordinate, sets up chili growth and grows relation equation with the effective potassium of soil.Y=Ln (X)+A, the intercept of A representative on ordinate.
The nutritional need rule of capsicum
Choose the uniform booth of soil fertility, apply sufficient fertilizer and suitable n p k fertilizer, get the oven dry of plant sample by stages, get for each issue part fresh fruit full pattern section oven dry, levigate, make aggregate sample.Measure the nutrient content in plant and the fruit, with breeding time after the capsicum field planting be abscissa, the nutrient quantity of absorption is the ordinate curve plotting, determines that the capsicum different growing stage absorbs the quantity and the ratio of nutrient.
The application of system
When opening system → selection soil types → known soil available nitrogen phosphorus potassium content, with its input.When not knowing soil available nitrogen phosphorus potassium content, when Using Defaults → not knowing soil available nitrogen phosphorus potassium content, select the yield level → calculator calculating → system of new canopy or old canopy when soil available nitrogen phosphorus potassium content (known, need not select this) → select vegetables capsicum → selections hope to provide the pure nutrient quantity of required nitrogen phosphorus potassium → amount to into different fertilizer quantity (scheme of promptly applying fertilizer).
Claims (1)
1. booth vegetable fertilizer applying expert method, comprise the data collection relevant with fertilising, set up dependent equation according to the data of collecting, it is economic flow rate, maximum output and moderate-yield that yield of vegetables is divided into different grades, plastic shed soil nutrient not of the same age divided promptly be divided into Xin Peng and Lao Peng, nutritional need rule according to relation equation, vegetables has related parameter to prepare a computer program again, make fertilization system, obtain fertilizer amount as follows, wherein utilize calculator to carry out following operation:
(1) beginning,
(2) program initialization,
(3) user selects soil types,
(4) computer program provides available nitrogen, available phosphorus, effective potassium content of selected soil acquiescence automatically,
(5) user grasps available nitrogen, phosphorus, the potassium content of this soil, adds nitrogen, phosphorus, the potassium content of soil voluntarily by the user,
The user does not know the concrete content of this soil available nitrogen, phosphorus, each element of potassium, and it is new canopy or old canopy that the user selects, computer program according to selected be new canopy or old canopy, change the content of soil nitrogen phosphorus potassium,
(6) select vegetable variety,
(7) output of selection hope,
(8) according to the output of hope, obtain the critical value L of soil available nitrogen phosphorus potassium,
(9) is soil available nitrogen phosphorus potassium content greater than critical value?
(10) be that the fertilizer application quantity of nitrogen phosphorus potassium is a predetermined value, perhaps
(11) not, can get institute's fertilise application quantity of nitrogen phosphorus potassium by given soil available nitrogen phosphorus potassium content and operational formula,
(12) amount to into fertilizer amount by the pure nutrient of fertilizer;
It is as follows that the above-mentioned data relevant with fertilising are collected concrete operations:
1. the relation of the fertilizing amount and the available nutrient of soil
Gather soil sample: counties and cities divide light earth, middle earth, heavy earth to take 20cm soil layer soil sample by the soil texture, and each makes mixed soil sample, room-dry more than selecting 20 points at least;
Fertilising: take by weighing the air-dry soil sample that 20g crosses 1mm sieve and put into small beaker for 14 parts, add 0,20,40,60,80 respectively, 100,200,300,400,500,600,700,800,900mg/kg nitrogen solution 20ml amounts to mu and executes purity nitrogen 0,3,6,9,12,15,30,45,60,75,90,105,120,135 kilograms, shake mixing after, uncovered natural seasoning, conventional method is measured soil alkali-hydrolyzable nitrogen content, phosphorus, potassium way are identical;
2. the relation of the vegetable growth and the available nutrient of soil
Pot experiment: fixing fertilizer amount such as phosphorus, potassium, nitrogenous fertilizer is established 8 consumptions, amounts to every mu and executes 0,10,20,30,40,60,80,100 kilograms of allotments of purity nitrogen readily available nutrient of soil, divides in the cycle at vegetable growth to be manured into soil for 3～5 times, and phosphorus potash fertilizer way is identical;
Field trial: the processing of selecting on the basis of pot experiment verifies to the field, and compares with habits fertilization, determines that this vegetable variety is in best soil nutrient elements content and the ratio of this area growth;
3. the nutritional need rule of vegetables
Choose the uniform booth of soil fertility, apply sufficient fertilizer and suitable n p k fertilizer, get the oven dry of plant sample by stages, get for each issue part fresh fruit full pattern section oven dry, levigate, make aggregate sample; Measure the nutrient content in plant and the fruit, with the time behind the vegetable permanent planting be abscissa, the nutrient quantity of absorption is the ordinate curve plotting, determines that the vegetables different growing stage absorbs the quantity and the ratio of nutrient;
4. investigate land for growing field crops, this area and plastic shed soil available nitrogen phosphorus potassium situation and yield of vegetables level;
Above-mentioned dependent equation specifically comprises as follows:
With the nitrogen amount that is manured into soil is abscissa, and the alkali-hydrolyzable nitrogen amount that soil increases is an ordinate, sets up the relation equation between soil alkali-hydrolyzable nitrogen recruitment and the amount of application of nitrogen fertilizer, Y=A+BX, and B represents slope of a curve, and A represents the intercept of curve on ordinate;
With the phosphorus pentoxide that is manured into soil is abscissa, and the rapid available phosphorus amount that soil increases is an ordinate, sets up the relation equation between soil quick-effective phosphor recruitment and the phosphate fertilizer amount, Y=A+BX, and B represents slope of a curve, and A represents the intercept of curve on ordinate;
With the potassium oxide that is manured into soil is abscissa, and the available potassium amount that soil increases is an ordinate, sets up the relation equation between soil available potassium recruitment and the potash fertilizer amount of application; Y=A+BX, B represents slope of a curve, and A represents the intercept of curve on ordinate;
With soil alkali-hydrolyzable nitrogen amount is abscissa, and yield of vegetables, growing way are ordinate, set up the relation equation of vegetable growth and soil available nitrogen; Y=B
2X
2+ B
1X+A, B
1And B
2Represent regression coefficient respectively, the A representative returns intercept;
With the soil quick-effective phosphor amount is abscissa, and yield of vegetables, growing way are ordinate, set up the relation equation of vegetable growth and soil available phosphorus; Y=B
2X
2+ B
1X+A, B
1And B
2Represent regression coefficient respectively, the A representative returns intercept; Or Y=Ln (X)+A, the intercept of A representative on ordinate;
With soil available potassium amount is abscissa, and yield of vegetables, growing way are ordinate, set up the relation equation of vegetable growth and the effective potassium of soil, Y=B
2X
2+ B
1X+A, B
1And B
2Represent regression coefficient respectively, the A representative returns intercept; Or Y=Ln (X)+A, the intercept of A representative on ordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021104956A CN1180674C (en) | 2002-06-06 | 2002-06-06 | Fertilizer applying expert system for vegetable in green house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021104956A CN1180674C (en) | 2002-06-06 | 2002-06-06 | Fertilizer applying expert system for vegetable in green house |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1387752A CN1387752A (en) | 2003-01-01 |
| CN1180674C true CN1180674C (en) | 2004-12-22 |
Family
ID=4741111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021104956A Expired - Fee Related CN1180674C (en) | 2002-06-06 | 2002-06-06 | Fertilizer applying expert system for vegetable in green house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1180674C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314309C (en) * | 2004-04-08 | 2007-05-09 | 山东省花生研究所 | Pre heavy fertilizer sprading method for yielding two crops ayear of wheat and peanut |
| CN1324507C (en) * | 2004-04-12 | 2007-07-04 | 中国科学院合肥智能机械研究所 | Device and method for forming prescription for monitoring crop growing state and nutrition spreading fertilizer |
| CN102308696B (en) * | 2010-07-01 | 2015-04-15 | 上海市农业科学院 | Method for regulating and controlling unbalance of phosphorus nutrient in protected vegetable soil |
| DE102011050877B4 (en) | 2011-03-04 | 2014-05-22 | Technische Universität München | Method for determining the fertilizer requirement, in particular the nitrogen fertilizer requirement and apparatus for carrying out the method |
| CN106912237A (en) * | 2017-03-20 | 2017-07-04 | 浙江省农业科学院 | Water-fertilizer integral four controls fertigation method |
| CN109247092A (en) * | 2018-08-30 | 2019-01-22 | 丹阳市珥陵镇嘉仙果蔬专业合作社 | A kind of strong method of reduction treatment of soil |
-
2002
- 2002-06-06 CN CNB021104956A patent/CN1180674C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1387752A (en) | 2003-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yang et al. | Effects of fertilizer type and rate on summer maize grain yield and ammonia volatilization loss in northern China | |
| CN102910975B (en) | Rice seedling raising medium based on grain stillage as main component and preparation method of medium | |
| CN104926440B (en) | It is a kind of suitable for seedling raising ground substance of transplanting rice and preparation method thereof | |
| CN102010260A (en) | Biological seedling culture medium processed by papermaking sludge | |
| CN104737892B (en) | A kind of pseudo-ginseng seedling medium and preparation method thereof | |
| CN109673439B (en) | Method for regulating and controlling rice yield and growth traits through water and fertilizer coupling | |
| CN106717229A (en) | It is a kind of to improve the method that bamboo grove carbon sequestration increases remittance ability | |
| CN106550641A (en) | Fructus Lycii soil testing and formulated fertilization method | |
| CN105900723B (en) | A kind of method for culturing seedlings and cultural method of panax japonicus majoris | |
| CN1180674C (en) | Fertilizer applying expert system for vegetable in green house | |
| CN103026957A (en) | Tomato plug seedling matrix and preparation method thereof | |
| CN106631565A (en) | Method for preparing mulberry fertilizer | |
| CN110367065A (en) | Polygonatum cyrtonema-corn composite plant method | |
| CN103708885B (en) | Compound fertilizer for improving tea yield and preparation method thereof | |
| CN1433670A (en) | Application technology of mycorrhizal fungi in Anoectochilus blume cultivation | |
| CN1059306C (en) | Technique for cultivation of Gastrodia elata | |
| CN106069697A (en) | A kind of preparation method based on the Fructus Solani melongenae cultivation matrix that seafood mushroom slag is raw material | |
| CN1896034A (en) | Composite mixed foliage fertilizer and its preparation | |
| CN110291956A (en) | A kind of culture substrate based on peat sawdust | |
| CN103270866A (en) | Application method by using air dried sludge as cultivation media of turfgrass | |
| CN107439259A (en) | A kind of preparation method of potted orchids special active cultivation matrix | |
| CN104926427B (en) | It is a kind of using pleurotus eryngii waste material as botanical seedling culturing matrix of raw material and its preparation method and application | |
| CN108088959A (en) | A kind of different growing stages dendrobium candidum carbon nitrogen phosphorus chemistry meterological properties study method | |
| CN109438132A (en) | A kind of decomposing agent and preparation method thereof, the decomposing agent straw compost also Tanaka application | |
| CN112166775B (en) | Method for accurate formulated fertilization of young mangnolia officinalis forest |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |