CN103069959A - Flue-cured tobacco soil testing and formulated fertilization method by using automatic soil nutrient analyzer - Google Patents
Flue-cured tobacco soil testing and formulated fertilization method by using automatic soil nutrient analyzer Download PDFInfo
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Abstract
The invention discloses a flue-cured tobacco soil testing and formulated fertilization method by using an automatic soil nutrient analyzer, and belongs to the technical field of agriculture. The method comprises the steps that plough layer soil is taken as a sample; contents of nitrogen, phosphorus and potassium in the soil sample, and a pH value and an organic matter of the soil sample are tested rapidly and automatically by the automatic soil nutrient analyzer; the amount of nitrogen required to be applied is determined according to the content of available nitrogen in the soil sample; the content of phosphorus in a formulated fertilizer is determined according to the amount of applied nitrogen and the content of available nitrogen in the soil sample; and the content of potassium in the formulated fertilizer is determined according to the amount of applied nitrogen and the content of available potassium in the soil sample; a fertilizer is formulated; by combining a base fertilizer with an additional fertilizer, the base fertilizer accounts for not less than 2/3 of the total amount of the applied fertilizer, and the additional fertilizer accounts for the balance of the total amount of the applied fertilizer; the originally-set amount of the additional fertilizer is adjusted according to actual conditions; annual fertilization is adopted; and a distance between the fertilizer and a tobacco plant is 10-15cm. The automatic soil nutrient analyzer belongs to the prior art, is sold in the market, and allows flue-cured tobacco fertilization to be scientific and reasonable; in addition, as the automatic soil nutrient analyzer is adopted, the operation is simple and convenient; rapid automatic testing can be realized; and time and troubles are saved.
Description
Technical field
The invention belongs to agricultural technology field, be specifically related to a kind of flue-cured tobacco soil testing and formulated fertilization method.
Background technology
Flue-cured tobacco is the important economic crops of China, the basic material of cigarette industry.Tobacco growth has Rules of Nutrition and the unique quality requirements of himself, and the tobacco planting scope is wide in addition, and various places soil condition is widely different, and it is particularly important that the fertilizer practice of flue-cured tobacco just seems.
The Fertilizer Application of Tobacco Main Problems is nutritional imbalance at present, the light phosphorus potassium deficiency of diazonium, and downward trend appears in the vega soil fertility, and this is not scientific and reasonable closely related with Fertilizer Application of Tobacco.
The flue-cured tobacco fertilization compositions based on earth measurement is the new technology of a scientific and reasonable fertilising of flue-cured tobacco, and it determines concrete fertilizer formula, fertilizing amount and fertilizing method according to the measurement result of vega soil fertility.
Summary of the invention
The object of the present invention is to provide a kind of flue-cured tobacco soil testing and formulated fertilization method that uses the soil nutrient automatic analyzer, make that tobacco necessary nutritive element in growth and development process obtains fully, balanced, the supply coordinated.
The inventive method is according to the following steps:
1, the topsoil of the vega degree of depth 18～22 centimeters is taken a sample, the sampling block area is 0.5～3 mu, sample point is 5～10 and evenly distributes, the soil sample that each sample point is taken out mixes, use the quartering division, keep 400～600 grams, make a record, the soil sample container of packing into after air-dry or oven dry is preserved;
2, by the requirement of automatic analyzer soil sample is carried out pre-treatment, use the soil nutrient automatic analyzer that nitrogen, phosphorus, potassium content, acid-base value, the organic matter of soil sample are carried out fast automatic test;
3, the amount that contains available nitrogen according to soil sample is determined amount of nitrogen by following scope:
| Soil sample contains available nitrogen (mg/kg) | Amount of nitrogen (thousand g/acres) |
| Less than 60 | 8.1～12 |
| 60～120 | 6～8 |
| Greater than 120 | 3～7.9 |
4, the amount that contains available phosphorus according to amount of nitrogen and soil sample determines to join the phosphorus content in the fertilizer:
N：P2O5=1：1.2～1：1.5，
Soil sample contains the available phosphorus amount, and phosphorus application amount should be more when low, and soil sample contains the available phosphorus amount, and phosphorus application amount should be less when higher;
5, the amount that contains available potassium according to amount of nitrogen and soil sample determines to join the potassium content in the fertilizer:
| Soil sample contains available potassium (mg/kg) | K2O/N |
| Less than 100 | 2～3 |
| 100～200 | 1.5～2 |
| Greater than 200 | 1～1.5 |
6, according to the above results preparation fertilizer.
7, fertilizing method:
(1) adopt base manure and topdressing to combine, make base manure with being no less than 2/3 of whole fertilizing amount, all the other are done and topdress, and according to appearance, soil and the climatic condition of field cigarette strain, adjust original topdressing amount;
(2) adopt the ring-type fertilising, allow fertilizer and cigarette spacing in the rows from being 10～15 centimetres, with unburned seedling.
Said soil nutrient automatic analyzer is prior art, and the commercially available prod is arranged.
Advantage of the present invention: not only can allow the scientific rationalization of Fertilizer Application of Tobacco, and owing to having adopted the soil nutrient automatic analyzer, facility simple to operate can realize fast automatic test, saves time and saves trouble.
Embodiment
Embodiment: vega is mountain red soil, and kind is the large gold dollar of safflower.The sampling block area is 1 mu, and 8 of sample points evenly distribute.Soil sample to the degree of depth 20 centimeters.The soil sample that 8 sampling points are taken out mixes, and use the quartering division, keeps 500 grams, makes a record the soil sample container preservation of packing into after air-dry.After soil sample carried out pre-treatment, use Beijing along the soil nutrient automatic analyzer that imperial development in science and technology Co., Ltd produces soil sample to be carried out fast automatic test.Soil sample contains available nitrogen 45 mg/kg, and amount of nitrogen is decided to be 10,000 g/acres; The phosphorus content of surely joining in the fertilizer is 7,000 g/acres; Soil sample contains available potassium 123 mg/kg, and the potassium content (K2O) of surely joining in the fertilizer is 16,000 g/acres.According to the above results preparation fertilizer.Adopt base manure and topdress to combine, make base manure with 3/5 of whole fertilizing amount, all the other are done and topdress.Employing ring-type fertilising allows fertilizer and cigarette spacing in the rows from being 10～15 centimetres.Tobacco leaf has been realized high yield and high quality.
Claims (1)
1. flue-cured tobacco soil testing and formulated fertilization method that uses the soil nutrient automatic analyzer, its feature are by following rapid:
(1), the topsoil of the vega degree of depth 18～22 centimeters is taken a sample, the sampling block area is 0.5～3 mu, sample point is 5～10 and evenly distributes, the soil sample that each sample point is taken out mixes, use the quartering division, keep 400～600 grams, make a record, the soil sample container of packing into after air-dry or oven dry is preserved;
(2), by the requirement of automatic analyzer soil sample is carried out pre-treatment, use the soil nutrient automatic analyzer that nitrogen, phosphorus, potassium content, acid-base value, the organic matter of soil sample are carried out fast automatic test;
(3), the amount that contains available nitrogen according to soil sample is determined amount of nitrogen by following scope:
(4), the amount that contains available phosphorus according to amount of nitrogen and soil sample determines to join the phosphorus content in the fertilizer:
N：P2O5=1：1.2～1：1.5，
Soil sample contains the available phosphorus amount, and phosphorus application amount should be more when low, and soil sample contains the available phosphorus amount, and phosphorus application amount should be less when higher;
(5), the amount that contains available potassium according to amount of nitrogen and soil sample determines to join the potassium content in the fertilizer:
(6), according to the above results preparation fertilizer;
(7), fertilizing method
(a) adopt base manure and topdressing to combine, make base manure with being no less than 2/3 of whole fertilizing amount, all the other are done and topdress, and according to appearance, soil and the climatic condition of field cigarette strain, adjust original topdressing amount;
(b) adopt the ring-type fertilising, allow fertilizer and cigarette spacing in the rows from being 10～15 centimetres, with unburned seedling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201310031773 CN103069959A (en) | 2013-01-28 | 2013-01-28 | Flue-cured tobacco soil testing and formulated fertilization method by using automatic soil nutrient analyzer |
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| CN 201310031773 CN103069959A (en) | 2013-01-28 | 2013-01-28 | Flue-cured tobacco soil testing and formulated fertilization method by using automatic soil nutrient analyzer |
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| CN103069959A true CN103069959A (en) | 2013-05-01 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103385102A (en) * | 2013-07-19 | 2013-11-13 | 黄振忠 | Soil testing and formulated fertilization method for artificial cultivation of Radix sophorae Tonkinensis |
| CN104429264A (en) * | 2014-11-13 | 2015-03-25 | 沈阳远大科技园有限公司 | Method for guiding fertilization by detecting nutriture of crop leaves |
| CN106124734A (en) * | 2016-07-18 | 2016-11-16 | 安徽本立物联网技术有限公司 | A kind of proportion of crop planting management system for monitoring |
| CN106550641A (en) * | 2016-11-23 | 2017-04-05 | 新疆林科院经济林研究所 | Fructus Lycii soil testing and formulated fertilization method |
| CN106680338A (en) * | 2016-12-27 | 2017-05-17 | 湖南省烟草公司湘西自治州公司 | Sampling calculating method of tobacco-planting soil acidification degree and acidized soil improvement method |
| CN106717421A (en) * | 2016-12-30 | 2017-05-31 | 中国烟草总公司广东省公司 | One soil testing and formulated fertilization method for growing tobacco |
| CN107046898A (en) * | 2016-12-12 | 2017-08-18 | 中国烟草总公司广东省公司 | A kind of fertilizing method for lifting cigarette strain nitrogen utilization efficiency |
| CN112042308A (en) * | 2020-09-21 | 2020-12-08 | 枣庄益多多生态农业科技服务有限公司 | Soil improvement method and application thereof |
| CN116058147A (en) * | 2023-03-21 | 2023-05-05 | 哈尔滨理工大学 | Northeast paddy field nitrogen application method based on soil pH value |
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2013
- 2013-01-28 CN CN 201310031773 patent/CN103069959A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103385102A (en) * | 2013-07-19 | 2013-11-13 | 黄振忠 | Soil testing and formulated fertilization method for artificial cultivation of Radix sophorae Tonkinensis |
| CN104429264A (en) * | 2014-11-13 | 2015-03-25 | 沈阳远大科技园有限公司 | Method for guiding fertilization by detecting nutriture of crop leaves |
| CN104429264B (en) * | 2014-11-13 | 2016-07-27 | 沈阳远大科技园有限公司 | By detecting the method that the nutriture of crop leaf instructs fertilising |
| CN106124734A (en) * | 2016-07-18 | 2016-11-16 | 安徽本立物联网技术有限公司 | A kind of proportion of crop planting management system for monitoring |
| CN106550641A (en) * | 2016-11-23 | 2017-04-05 | 新疆林科院经济林研究所 | Fructus Lycii soil testing and formulated fertilization method |
| CN107046898A (en) * | 2016-12-12 | 2017-08-18 | 中国烟草总公司广东省公司 | A kind of fertilizing method for lifting cigarette strain nitrogen utilization efficiency |
| CN106680338A (en) * | 2016-12-27 | 2017-05-17 | 湖南省烟草公司湘西自治州公司 | Sampling calculating method of tobacco-planting soil acidification degree and acidized soil improvement method |
| CN106717421A (en) * | 2016-12-30 | 2017-05-31 | 中国烟草总公司广东省公司 | One soil testing and formulated fertilization method for growing tobacco |
| CN112042308A (en) * | 2020-09-21 | 2020-12-08 | 枣庄益多多生态农业科技服务有限公司 | Soil improvement method and application thereof |
| CN116058147A (en) * | 2023-03-21 | 2023-05-05 | 哈尔滨理工大学 | Northeast paddy field nitrogen application method based on soil pH value |
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Application publication date: 20130501 |