CN103995095B - A kind of method measuring forest phosphate fertilizer utilization efficiency - Google Patents
A kind of method measuring forest phosphate fertilizer utilization efficiency Download PDFInfo
- Publication number
- CN103995095B CN103995095B CN201410163095.9A CN201410163095A CN103995095B CN 103995095 B CN103995095 B CN 103995095B CN 201410163095 A CN201410163095 A CN 201410163095A CN 103995095 B CN103995095 B CN 103995095B
- Authority
- CN
- China
- Prior art keywords
- phosphate fertilizer
- nylon net
- net bag
- soil
- forest
- 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.)
- Active
Links
Landscapes
- Measurement Of Radiation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
A kind of method measuring forest phosphate fertilizer utilization efficiency of the present invention is to select nylon net bag to load phosphate fertilizer or phosphate fertilizer and other fertiliser mixtures, after mesh bag is imbedded timbered soil suitable soil layer certain time, gather nylon net bag residue fertilizer and nylon net bag is upper and lower and the soil of surrounding suitable distance, carry out soil phosphorus analysis；Calculate phosphate fertilizer residual volume according to phosphate fertilizer residual quantity in nylon net bag and Soil Phosphorus fertilizer residual volume sum, and calculate phosphate fertilizer utilization efficiency according to formula.The method can be used for studying perennial forest phosphate fertilizer utilization efficiency, and with forest land Rational Application phosphate fertilizer, Forest Tree Nutrient diagnosis is had high value of practical.
Description
Technical field
The present invention relates to a kind of method measuring forest phosphate fertilizer utilization efficiency, belong to soil agrochemistry technology neck
Territory.
Background technology
Phosphorus is that tree growth grows one of indispensable nutrient, and it is important organic in forest body
The constituent of compound, participates in the physiology course in forest body the most in many ways, and the growth to forest is sent out
Educate, physiological metabolism, yield and quality etc. play an important role.Science use phosphate fertilizer be ensure forest fast-growing,
One of important measures of high yield, are also the element tasks of Forest Soil Fertility improvement.Phosphate fertilizer fertilizer utilization at present
The measuring method of rate has: 1) differential technique, i.e. utilizes the amount of nutrients of fertilization area plant absorption to deduct not fertilization area and plants
The amount of nutrients that thing absorbs, its difference is considered as the amount of nutrients of phosphate fertilizer supply, then is divided by phosphate fertilizer amount of nutrients used
Phosphate fertilizer utilization efficiency.The short-term field crops such as wheat, paddy rice and corn etc. are relatively suitable for by the method, and to rubber
The perennial forest such as gum, needs to arrange destructive testing, workload is big, is often difficult to operation.2) coordination
Element labelling method,32P、33The phosphate fertilizer utilization efficiency of P mark phosphate fertilizer technique study crop is relatively more accurate, but due to mark
Phosphate fertilizer has radioactivity, needs task equipment and technology, in the research of perennial forest phosphate fertilizer utilization efficiency also
It is not easy operation.At present as in the Forest Tree Nutrient diagnostic fertilization formula such as rubber tree rubber tree phosphate fertilizer utilization efficiency be
Producing on the basis of using for reference annual crop utilization rate of fertilizer, its actual phosphate fertilizer utilization efficiency is the most unclear.
After the water soluble phosphorous fertilizers such as calcium superphosphate are manured into soil, moisture collects to fertilising point, makes one-lime phosphate
Dissolve and hydrolysis, form a kind of one-lime phosphate, phosphoric acid and the saturated solution of water-bearing phosphate dicalcium, fertilising point week
Enclosing the concentration of phosphorus in the soil liquid, up to 10-20mg/kg, makes phosphoric acid constantly to external diffusion.At fertilising point, its
In the range of micro-region soil, the pH of saturated solution is up to 1-1.5.Can be in soil during external diffusion
Iron, aluminium, calcium, magnesium etc. are dissolved out, and with phosphate anion effect, form the phosphate of different solubilities.
In acid ground, one-lime phosphate is generally and iron, aluminium effect form ferric phosphate, aluminum precipitation, the most further
It is hydrolyzed to slag ferric phosphate aluminium.Research shows, fixing and Phosphate Sorption the ability of acid ground is relatively strong, even if
In the case of high irrigation volume and high phosphorus amount of application, only small part active phosphorus migration distance is more than 5cm, but all
Less than 12cm soil layer (woods relieves inflammation or internal heat, 2004；Du Zhenyu etc., 2005；Jin Liang etc., 2008).Phosphorus
Fertilizer predictability of leaching and situation of movement in soil is that indirect determination perennial forest phosphate fertilizer utilization efficiency provides
May, but the mensuration of perennial forest phosphate fertilizer utilization efficiency be there is also and cannot rationally determine by prior art
Technical problem.
Bibliography
Woods relieves inflammation or internal heat, Luo Wei, and woods is encouraged and washes one's hair, etc. the First Report of Studies [J] of phosphate fertilizer Leaching Character in laterite. tropical crops
Journal, 2004,25 (1): 58-63.
Du Zhenyu, Zhou Jianmin. phosphorus migration in red soil fertilizer microsite and convert [J]. water and soil conservation journal, 2005,
19(3):1-4.
Jin Liang, Zhou Jianmin, Wang Huoyan, etc. diammonium hydrogen phosphate conversion in acid ground and vertical proliferation [J]. raw
State and rural environment journal, 2008,24 (3): 45-50.
Summary of the invention
It is an object of the invention to provide a kind of assay method being applicable to perennial forest phosphate fertilizer utilization efficiency,
To solve the technical problem that Forest Tree Nutrient diagnosis cannot rationally determine with phosphate fertilizer utilization efficiency in fertilising.
In order to realize the purpose of the present invention, a kind of method measuring forest phosphate fertilizer utilization efficiency of the present invention, bag
Include following steps:
1. select nylon net bag to load phosphate fertilizer or phosphate fertilizer and other fertiliser mixtures, nylon net bag is buried
Entering the suitable soil layer of timbered soil, length of embedment may select forest and absorbs the soil layer of the intensive 0-30cm of root system, buries
The angle of incidence can set according to test requirements document, can be 6 months, 12 months or 24 months；
The specification of described nylon net bag is long 45cm, wide 15cm, mesh on nylon net bag bag wall
Aperture is 2mm；
2., according to test requirements document, it is first determined nylon net bag embedment region, gather this region different deep
Degree soil sample measures Soil total nitrogen, as each deep soil full phosphorus background values；Nylon net bag embedment forest land phase
After answering degree of depth certain time, gather nylon net bag residue fertilizer and nylon net bag be upper and lower and soil around,
Carry out soil phosphorus analysis；
Described collection nylon net bag is upper and lower and soil around is distance nylon net bag 15cm, gathers
According to 0-5cm during soil, 5-10cm, 10-15cm carry out layering and gather.In pedotheque and nylon net bag
Remaining phosphate fertilizer sample air-dries after grinding and measures content of tatal phosphorus.
3. calculate phosphate fertilizer according to phosphate fertilizer residual quantity in nylon net bag and Soil Phosphorus fertilizer residual volume sum residual
Surplus, in certain time, the computing formula of phosphate fertilizer utilization efficiency is:
A kind of method measuring forest phosphate fertilizer utilization efficiency of the present invention, selects meshed nylon net bag to load
Phosphate fertilizer or phosphate fertilizer and other fertiliser mixtures, imbed the suitable soil layer of timbered soil, fine-root by nylon net bag
The nutrients such as phosphate fertilizer are absorbed in can putting in nylon net bag.Aperture on nylon net bag bag wall is 2mm, can effectively hinder
Only the penetrating of the thick root of forest (diameter > 2mm), make the feeding roots such as radicula (≤2mm) through nylon wire, can
Realize the enrichment of feeding root.Upper and lower and 15cm soil around the layering collection of nylon net bag can ensure leaching
Or whole recovery of migration phosphate fertilizer, fine-root can be measured the most all sidedly and absorb the situation of phosphate fertilizer, solve
The technical problem that Forest Tree Nutrient diagnosis at present cannot rationally determine with phosphate fertilizer utilization efficiency in fertilising.
Detailed description of the invention
When a kind of method measuring forest phosphate fertilizer utilization efficiency of the present invention is implemented, first select 75 in forest land
Cm × 45cm imbeds region as nylon net bag in region, gathers with quincunx method earth boring auger of layouting in this region
5 different depth soil samples, sampling depth is respectively 15-20cm, 20-25cm, 25-30cm, 30-35cm,
35-40cm, 40-45cm soil layer, same degree of depth soil sample mixes as a sample, soil sample air-dry milled 2
After mm sieve, measure the content of tatal phosphorus background values as different depth soil phophorus.Then use spade in this region
Inside dig long 46cm, wide 15cm, the cave of deep 20cm, according to test requirements document, phosphate fertilizer or phosphorus will be pre-loaded with
Fertile and other fertiliser mixtures the nylon net bag sealed is parallel to the ground puts in cave, back-filling in layers native soil
And compacting, mark embedment position is so that phosphate fertilizer and soil sample collection around in follow-up nylon net bag；The embedding time can
It is 6 months, 12 months or 24 months.The specification of nylon net bag is long 45cm, wide 15cm, nylon wire
On bag bag wall, mesh aperture is 2mm.
After off-test, carefully excavate table soil, gather residue fertilizer in nylon net bag, and layering is adopted
Upper and lower and 15cm around the soil of collection nylon net bag, according to distance nylon net bag 0-5cm during collection soil,
5-10cm, 10-15cm carry out layering and gather.Phosphate fertilizer remaining in different levels soil and nylon net bag is taken back
Laboratory, after air-drying, every sample segment of weighing, mixing measures the Soil total nitrogen of each several part sample.Adopt
The sample of collection amounts to 19, wherein soil sample 18,1, nylon net bag remnants phosphate fertilizer sample.
Phosphate fertilizer residual volume computing formula is as follows:
Remaining phosphate fertilizer dry weight in remaining phosphate fertilizer content of tatal phosphorus × nylon net bag in phosphate fertilizer residual quantity=nylon net bag
+ ∑ [(every part soil sample content of tatal phosphorus-this part soil sample background content of tatal phosphorus) × this part soil sample dry weight]
Calculate phosphate fertilizer utilization efficiency as follows.
Phosphate fertilizer utilization efficiency computing formula is:
Although, the most with a general description of the specific embodiments the present invention is made
Detailed description, but on the basis of the present invention, it can be made some modifications or improvements, this is to this area skill
It is apparent from for art personnel.Therefore, these done without departing from theon the basis of the spirit of the present invention are repaiied
Change or improve, belonging to the scope of protection of present invention.
Claims (3)
1. the method measuring forest phosphate fertilizer utilization efficiency, it is characterised in that selecting nylon net bag to load phosphate fertilizer or phosphate fertilizer and other fertiliser mixtures, embedment forest land forest absorbs the soil layer of the intensive 0-30cm of root system；After nylon net bag embedment forest land certain time, gather nylon net bag residue fertilizer and nylon net bag is upper and lower and surrounding suitable distance soil, carry out phosphorus element analysis；Calculating phosphate fertilizer residual volume according to phosphate fertilizer residual quantity in nylon net bag with Soil Phosphorus fertilizer residual volume sum, in certain time, the computing formula of phosphate fertilizer utilization efficiency is:
。
A kind of method measuring forest phosphate fertilizer utilization efficiency the most according to claim 1, it is characterised in that the specification of described nylon net bag is long 45cm, wide 15cm, on nylon net bag bag wall, mesh aperture is 2mm.
A kind of method measuring forest phosphate fertilizer utilization efficiency the most according to claim 1, nylon net bag is upper and lower and surrounding suitable distance soil is to gather upper and lower and 15cm around the soil of nylon net bag to it is characterized in that described gathering, according to distance nylon net bag 0-5cm during collection soil, 5-10cm, 10-15cm carry out layering and gather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410163095.9A CN103995095B (en) | 2014-04-22 | 2014-04-22 | A kind of method measuring forest phosphate fertilizer utilization efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410163095.9A CN103995095B (en) | 2014-04-22 | 2014-04-22 | A kind of method measuring forest phosphate fertilizer utilization efficiency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103995095A CN103995095A (en) | 2014-08-20 |
| CN103995095B true CN103995095B (en) | 2016-08-17 |
Family
ID=51309316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410163095.9A Active CN103995095B (en) | 2014-04-22 | 2014-04-22 | A kind of method measuring forest phosphate fertilizer utilization efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103995095B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1229309C (en) * | 2003-08-22 | 2005-11-30 | 中国农业大学 | Coating material and coating method for controllable slow releasing fertilizer |
| JP2008131914A (en) * | 2006-11-29 | 2008-06-12 | Nisshoku Corp | Greening method, surface soil collecting device to be used for the same, and greening structure body |
| CN100556865C (en) * | 2007-02-02 | 2009-11-04 | 山东农业大学 | One planting fruit-trees calcareous fertilisers |
| CN201479588U (en) * | 2009-03-30 | 2010-05-26 | 新疆农业科学院土壤肥料与农业节水研究所 | Fruit tree bag-shaped controlled release fertilizer bag |
| CN201409300Y (en) * | 2009-05-05 | 2010-02-24 | 江苏省林业科学研究院 | Slow releasing manuring bag |
| KR20100119853A (en) * | 2010-10-24 | 2010-11-11 | 장진찬 | The environment affinity type modular gabion |
| CN102850119B (en) * | 2012-08-22 | 2014-06-11 | 中国林业科学研究院林业研究所 | Special controlled-release fertilizer for container seedling raising of larch and application thereof |
-
2014
- 2014-04-22 CN CN201410163095.9A patent/CN103995095B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103995095A (en) | 2014-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102934546B (en) | Method for rapidly improving plough-layer soil of newly cultivated barren lands in southern hilly and mountainous regions | |
| Ding et al. | Evaluating eddy covariance method by large-scale weighing lysimeter in a maize field of northwest China | |
| Aghaalikhani et al. | Zeolite influences on nitrate leaching, nitrogen-use efficiency, yield and yield components of canola in sandy soil | |
| Han et al. | Transport and transformation of water and nitrogen under different irrigation modes and urea application regimes in paddy fields | |
| Gao et al. | Soil nutrient content and nutrient balances in newly-built solar greenhouses in northern China | |
| Sharma et al. | Nitrate-nitrogen leaching from three specialty crops of New Mexico under furrow irrigation system | |
| Qiu et al. | GIS-model based estimation of nitrogen leaching from croplands of China | |
| CN104756699A (en) | Environment capacity-balanced high-yield cultivation fertilizing method for summer maize of meadow soil district of North Henan | |
| Sui et al. | Comparative effects of crop residue incorporation and inorganic potassium fertilisation on apparent potassium balance and soil potassium pools under a wheat–cotton system | |
| Wei et al. | Initial exploration on effect of saline-alkali land rebuilding and utilization by fenlong cultivation | |
| Xiaojun et al. | Soil enzyme activities on eroded slopes in the Sichuan Basin, China | |
| CN102607679A (en) | Real-time soil moisture weight and percolating water quality monitoring system | |
| Du et al. | Fate of each period fertilizer N in Mollisols under water and N management: A 15N tracer study | |
| CN103995095B (en) | A kind of method measuring forest phosphate fertilizer utilization efficiency | |
| CN202471203U (en) | Real-time soil-water weight and percolating water quality monitoring device | |
| Fang et al. | Enhanced soil water recovery and crop yield following conversion of 9-year-old leguminous pastures into croplands | |
| Bardule et al. | Fertilized short rotation plantations of hybrid aspen (Populus tremuloides Michx.× Populus tremula L.) for energy wood or mitigation of GHG emissions | |
| Gu et al. | A lysimeters study of Chinese wheat and maize varieties: I. The lysimeters-rain shelter facility and the growth and water use of wheat | |
| CN102577853A (en) | Method for studying influence of straw improved materials on crop growth in acid soil | |
| CN107228931A (en) | A kind of acquisition methods of the initial pH shortage of data of soil | |
| CN208282864U (en) | Soil physico-chemical property long-term tillage monitoring device | |
| Chirwa et al. | Pattern of soil moisture depletion in alley cropping under semiarid conditions in Zambia | |
| CN110007060A (en) | A kind of detection method for the prediction model that soil available phosphorus element is horizontal | |
| Tian et al. | Environmental Study on the Quantitative Relationship between Precipitation, Aeration Zone Water and Groundwater in Taihang Piedmont Plain Agricultural Areas. | |
| Atta-Darkwa et al. | Effects of varying tillage practices and weed control methods on the efficacy of infiltration models |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |