CN104782457A - Fertilization method of taxus cuspidata container seedlings - Google Patents
Fertilization method of taxus cuspidata container seedlings Download PDFInfo
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- CN104782457A CN104782457A CN201510158371.7A CN201510158371A CN104782457A CN 104782457 A CN104782457 A CN 104782457A CN 201510158371 A CN201510158371 A CN 201510158371A CN 104782457 A CN104782457 A CN 104782457A
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Abstract
The invention discloses a fertilization method of taxus cuspidata container seedlings and relates to a fertilization method of taxus cuspidata container seedlings in cold regions. The fertilization method of the taxus cuspidata container seedlings solves the technical problems that by means of an existing fertilization method, nutrient leaching of taxus cuspidata seedlings, weak growing vigor of seedlings and withered and yellow needle leaves are prone to being caused as the nutrient utilization efficiency is low. The fertilization method comprises the first step of collection, the second step of planting of seedlings and the third step of fertilization treatment of seedlings. The method has the advantages that operation is easy, cost is low, and the effect is obvious on the aspect of improving the nutrient absorbing efficiency of seedlings; seedlings are recovered rapidly and adapt to the fertilization operation rapidly after taxus cuspidata seedlings are planted; the nutrient absorbing efficiency is as high as 80% and is improved by nearly two times compared with a traditional fertilization method. The method is mainly used for cultivation of taxus cuspidata container seedlings.
Description
Technical field
The present invention relates to the fertilizing method of a kind of cold district taxus chinensis in northeast container seedling.
Background technology
Taxus chinensis in northeast material is excellent, and texture is logical straight, compact structure, and full of elasticity, mechanical strength is high, and tool gloss, has fragrance, resistance to rotten, reflex action not easy to crack, not containing rosin.Taxus chinensis in northeast is not only material with plant, and be also important medicinal plant, its stem, branch, leaf, root can be used as medicine, and main component, containing taxol, taxine, diterpenoids compound etc., has anti-cancer function, and has and suppress the effect such as diabetes and treatment cardiopathy.Apart from outside high medical value, taxus chinensis in northeast because many, the red branch greenery of its side shoot, strain shape are tender beautiful, institute tie the gorgeous feature such as colourful of red bean, also has much ornamental value, is therefore also often used to that making is rare views and admires potted landscape and Scenery of gardens is set.
Taxus chinensis in northeast is taxaceae Taxus aiphyllium, is the rare tree of few survivors in the Tertiary Period, is distributed in the east Asia countries and regions such as Russia, northeast China, Korea and Japan widely.Wild Growth of Taxus cuspidata is in the cold wet acid soil area of weather, and happiness is born in and is rich in the damp soil of organic matter; Shallow root, side root is flourishing; Property cold resistant, shade tolerance is obvious, at air humidity higher position well-grown; Resting stage can tolerate the low temperature of-42 DEG C, is buried also do not fall leaves by heavy snow; Fear high temperature, when especially summer temperature is more than 30 DEG C, growth turns slow, and along with temperature continues to raise, growth stops.Because taxus chinensis in northeast seedling growth speed is slower, therefore the demand for nutrient requires harsher, need to make it absorb nutrient gradually by the fertilizing method of science, otherwise easily cause a large amount of leaching loss of fertilizing nutrient because nutrientuse efficiency is low, nursery stock occurs that growing way suffers from the problems such as weak, needle is withered and yellow simultaneously.
Summary of the invention
The present invention will solve under existing fertilizing method that taxus chinensis in northeast nursery stock easily occurs leaching loss of nutrient because nutrientuse efficiency is low, nursery stock growing way suffers from weak, that needle is withered and yellow technical problem, thus provides the fertilizing method of a kind of taxus chinensis in northeast container seedling.
The fertilizing method of a kind of taxus chinensis in northeast container seedling of the present invention carries out according to the following steps:
1., acquisition time one, gather:: gather when spring not yet germinates; 2., select to require: selection growing way is healthy and strong, disease-free, the obvious taxus chinensis in northeast nursery stock of trunk, height of seedling is no more than 10cm, root is long is no more than 8cm; 3., gather and require: dig out in the lump together with the Tu Tuo around taxus chinensis in northeast seedling root during collection, to ensure the complete of root system, the soil size that sticks together is as the criterion just to wrap up root system completely, and requires that the moisture content of this Tu Tuo reaches more than 90%; 4., store: after being gathered by taxus chinensis in northeast nursery stock, in transplanting process, need moisturizing to store, method is: the taxus chinensis in northeast nursery stock of band Tu Tuo is put into moist woven bag, is kept the moisture content of the Tu Tuo wrapping up taxus chinensis in northeast seedling root 90% by the mode of watering;
Two, the plantation of nursery stock: 1., plant the time: taxus chinensis in northeast nursery stock stores after acquisition in 1 time-of-week and completes to the plantation in transplanting container; 2., the selection of container for plant growth: the height of container for plant growth should be greater than the root length of taxus chinensis in northeast nursery stock, but maximum height is no more than 15cm, and the diameter of container is advisable with 5 ~ 10cm; 3., the mixing of filling substrate: sweep pure land face foreign material, perlite is laid in earth's surface, lay peat composed of rotten mosses stirring and evenly mixing on one side on it, the final peat composed of rotten mosses and perlitic volume mixture ratio are 2:1 ~ 3:1; 4., the sterilization of filling substrate: water enough clear water in matrix, till the moisture content of matrix reaches more than 40%, water in this stromal surface after thimerosal is mixed according to the ratio of 1:500 with clear water, in the process of pouring thimerosal, ceaselessly stir matrix to make Disinfection Effect even, the substrate water content after finally sterile-processed reaches 90%; 5., the filling of matrix: the matrix after sterilization is filled in container for plant growth, makes when non-pushed stromal surface and container for plant growth edge maintain an equal level; 6., the plantation of nursery stock: plant the Tu Tuo that front clear water embathes taxus chinensis in northeast seedling root outer wrapping, from root system top, the main root of 1/3 is clipped after cleaning root system surface exposed soil, transplanted seedling tree after section root is entered the position of about half height in container for plant growth, upwards gently carry seedling to do until the rhizome intersection of taxus chinensis in northeast nursery stock just exposes stromal surface, remain the terminal bud of taxus chinensis in northeast nursery stock in process of planting upward;
Three, the fertilizing operation of nursery stock: 1., fertilizing method flow process: adopt water soluble fertilizer, by soluble in water for the fertilizer containing corresponding content nutrient before each fertilising, be poured onto in the middle of seedling medium with watering pot afterwards, the water consumption of each fertilising is as the criterion just there is not moisture leaching, the halfhour soak time of nursery stock is given after fertilising, water afterwards clear water make it just from container bottom drench to prevent burn seedling, fertilization time from nursery stock transplanting is after one week, fertilization time 5 totally months; 2., fertilizing method is implemented: total fertilization amount is nitrogen, phosphorus, each 40 ~ 210mg of potassium, and the total fertilization amount of nitrogen, phosphorus, potassium is identical, and once, apply fertilizer 30 times altogether, fertilizing amount adopts exponential increment method to add according to the scientific algorithm of seedling growth speed in fertilising in every 5 days; 3. the warm photocontrol, between fertilizer application period: by the shading of sunshade measure temperature control, keep the intensity of illumination on nursery stock top at 1000 ~ 3000lx, during infiltrating irrigation, control temperature is within the scope of 10 ~ 38 DEG C.
The present invention includes following beneficial effect:
1, the present invention gathers when spring not yet germinates, and now taxus chinensis in northeast nursery stock is still in resting state, and therefore transplanting survival rate is higher;
2, the present invention adopts the method increasing on a small quantity fertilizing amount repeatedly, gradually that taxus chinensis in northeast container seedling root system can be made fully to absorb fertilizing nutrient, its major advantage be simple to operate, with low cost, take effect significantly;
3, a series of link such as collection, transport, accumulating, plantation of the present invention to taxus chinensis in northeast nursery stock proposes certain requirement, and after taxus chinensis in northeast nursery stock can be made to plant, slow seedling also adapts to rapidly fertilizing operation fast;
4, also define the light relevant to fertilizing method, temperature control condition in the present invention, fully ensure the effective absorption of nursery stock to nutrient fertilizer from the angle of environmental Kuznets Curves;
5, after taxus chinensis in northeast container seedling being applied fertilizer by method of the present invention, the Nutrient Absorption efficiency of nursery stock can be improved to a great extent compared with traditional fertilization mode.
Embodiment
Embodiment one: the fertilizing method of a kind of taxus chinensis in northeast container seedling of present embodiment carries out according to the following steps:
1., acquisition time one, gather:: gather when spring not yet germinates; 2., select to require: selection growing way is healthy and strong, disease-free, the obvious taxus chinensis in northeast nursery stock of trunk, height of seedling is no more than 10cm, root is long is no more than 8cm; 3., gather and require: dig out in the lump together with the Tu Tuo around taxus chinensis in northeast seedling root during collection, to ensure the complete of root system, the soil size that sticks together is as the criterion just to wrap up root system completely, and requires that the moisture content of this Tu Tuo reaches more than 90%; 4., store: after being gathered by taxus chinensis in northeast nursery stock, in transplanting process, need moisturizing to store, method is: the taxus chinensis in northeast nursery stock of band Tu Tuo is put into moist woven bag, is kept the moisture content of the Tu Tuo wrapping up taxus chinensis in northeast seedling root 90% by the mode of watering;
Two, the plantation of nursery stock: 1., plant the time: taxus chinensis in northeast nursery stock stores after acquisition in 1 time-of-week and completes to the plantation in transplanting container; 2., the selection of container for plant growth: the height of container for plant growth should be greater than the root length of taxus chinensis in northeast nursery stock, but maximum height is no more than 15cm, and the diameter of container is advisable with 5 ~ 10cm; 3., the mixing of filling substrate: sweep pure land face foreign material, perlite is laid in earth's surface, lay peat composed of rotten mosses stirring and evenly mixing on one side on it, the final peat composed of rotten mosses and perlitic volume mixture ratio are 2:1 ~ 3:1; 4., the sterilization of filling substrate: water enough clear water in matrix, till the moisture content of matrix reaches more than 40%, water in this stromal surface after thimerosal is mixed according to the ratio of 1:500 with clear water, in the process of pouring thimerosal, ceaselessly stir matrix to make Disinfection Effect even, the substrate water content after finally sterile-processed reaches 90%; 5., the filling of matrix: the matrix after sterilization is filled in container for plant growth, makes when non-pushed stromal surface and container for plant growth edge maintain an equal level; 6., the plantation of nursery stock: plant the Tu Tuo that front clear water embathes taxus chinensis in northeast seedling root outer wrapping, from root system top, the main root of 1/3 is clipped after cleaning root system surface exposed soil, transplanted seedling tree after section root is entered the position of about half height in container for plant growth, upwards gently carry seedling to do until the rhizome intersection of taxus chinensis in northeast nursery stock just exposes stromal surface, remain the terminal bud of taxus chinensis in northeast nursery stock in process of planting upward;
Three, the fertilizing operation of nursery stock: 1., fertilizing method flow process: adopt water soluble fertilizer, by soluble in water for the fertilizer containing corresponding content nutrient before each fertilising, be poured onto in the middle of seedling medium with watering pot afterwards, the water consumption of each fertilising is as the criterion just there is not moisture leaching, the halfhour soak time of nursery stock is given after fertilising, water afterwards clear water make it just from container bottom drench to prevent burn seedling, fertilization time from nursery stock transplanting is after one week, fertilization time 5 totally months; 2., fertilizing method is implemented: total fertilization amount is nitrogen, phosphorus, each 40 ~ 210mg of potassium, and the total fertilization amount of nitrogen, phosphorus, potassium is identical, and once, apply fertilizer 30 times altogether, fertilizing amount adopts exponential increment method to add according to the scientific algorithm of seedling growth speed in fertilising in every 5 days; 3. the warm photocontrol, between fertilizer application period: by the shading of sunshade measure temperature control, keep the intensity of illumination on nursery stock top at 1000 ~ 3000lx, during infiltrating irrigation, control temperature is within the scope of 10 ~ 38 DEG C.
Compare with the fertilizing method of traditional taxus chinensis in northeast container seedling, the major advantage of present embodiment be simple to operate, with low cost in raising Nutrient Absorption efficiency, take effect significantly, obviously improve seedling growth performance, improve survival rate.
The a series of link such as collection, transport, accumulating, plantation of present embodiment to taxus chinensis in northeast container seedling proposes certain requirement, delays seedling fast and adapt to fertilizing operation after taxus chinensis in northeast nursery stock can be made to plant.
Present embodiment proposes clear and definite temperature controlling range, and the temperature control method wherein in seedling raising greenhouse comprises the flowing of promotion air, increases air humidity and direct cold air cooling etc.
Propose in present embodiment to reduce temperature by the way of sunshade, the method is mainly applicable to shine upon strong period around high noon summer, and clearly propose the intensity of illumination scope of taxus chinensis in northeast cultivation of container seedling in present embodiment, as intensity of illumination can utilize artificial means supplementary light intensity of adding cold light source not during sunshading and temperature reducing.
Embodiment two: present embodiment and embodiment one unlike: step one 1. described in nursery stock acquisition time be that April 1 was to May 1.Other are identical with embodiment one.
Embodiment three: present embodiment and embodiment one or two unlike: step one 1. described in nursery stock acquisition time be that April 1 was to April 15.Other are identical with embodiment one or two.
Embodiment four: one of present embodiment and embodiment one to three unlike: step 2 3. described in seedling medium mixed by the peat composed of rotten mosses and perlite, the described peat composed of rotten mosses be 100% composition without the mud peat composed of rotten mosses, during mixing, the peat composed of rotten mosses is poured on the perlite center divided to stir, in the matrix finally mixed, the peat composed of rotten mosses and perlitic volume ratio are 3:1 again.Other are identical with one of embodiment one to three.
Embodiment five: one of present embodiment and embodiment one to four unlike: step 2 4. described in disinfect: be that thimerosal and water mix by 1:500 by thimerosal and water volume ratio, obtain diluting rear thimerosal, the matrix mixed to be mixed in thimerosal and to stir, substrate water content after stirring reaches 90%, leaves standstill and comes into operation after 1 ~ 3 hour.Other are identical with one of embodiment one to four.
Embodiment six: one of present embodiment and embodiment one to five unlike: step 3 2. described in the enforcement of fertilizing method: total fertilization amount is nitrogen, phosphorus, each 40 ~ 210mg of potassium, and the total fertilization amount of nitrogen, phosphorus, potassium is identical, fertilising in every 5 days once, apply fertilizer 30 times altogether, fertilizing amount adopts exponential increment method to add according to the scientific algorithm of seedling growth speed, and its formula is:
N
T＝N
S(e
rt-1)
Wherein, N
tthe total amount of element in fertilizer, can arbitrary value between value 40 ~ 210mg, N
sbe the initial nutrient content of the seedling of taxus chinensis in northeast described in this explanation, carry out every strain for 1.05mg in nitrogen, t is total fertilizer application frequency, and in the present invention, t=30, r are fertilising coefficients, can at known N
sand N
twhen, calculates; For nitrogen, the computing formula of the fertilizing amount of each every seedlings is as follows:
N
t＝N
S(e
rt-1)–N
t-1
Wherein, N
tbe the fertilizing amount (t≤30) of every young plant the t time, unit is mg, N
t-1it is the total fertilization amount before the t time fertilising.Other are identical with one of embodiment one to five.
Adopt following verification experimental verification beneficial effect of the present invention:
Test one: the fertilizing method of a kind of taxus chinensis in northeast container seedling of this test completes according to the following steps:
1., acquisition time one, gather:: gather taxus chinensis in northeast nursery stock in April 9 spring; 2., select to require: selection growing way is healthy and strong, disease-free, the obvious taxus chinensis in northeast nursery stock of trunk, the long 5cm of average height of seedling 3cm, root; 3., gather and require: dig out in the lump together with the Tu Tuo around taxus chinensis in northeast seedling root during collection, to ensure the complete of root system, the soil size that sticks together is as the criterion just to wrap up root system completely, and requires that the moisture content of this Tu Tuo reaches more than 90%; 4., store: after being gathered by taxus chinensis in northeast nursery stock, in transplanting process, need moisturizing to store, method is: the taxus chinensis in northeast nursery stock of band Tu Tuo is put into moist woven bag, is kept the moisture content of the Tu Tuo wrapping up taxus chinensis in northeast seedling root 90% by the mode of watering;
Two, the plantation of nursery stock: 1., plant the time: taxus chinensis in northeast nursery stock stores 1 time-of-week after acquisition, plants in container April 16; 2., the selection of container for plant growth: the height of container for plant growth is 13cm, and the top diameter of container is 7cm, and base diameter is 3cm; 3., the mixing of filling substrate: sweep pure land face foreign material, perlite is laid in earth's surface, lay peat composed of rotten mosses stirring and evenly mixing on one side on it, the final peat composed of rotten mosses and perlitic volume mixture ratio are 3:1; The described peat composed of rotten mosses be 100% composition without the mud peat composed of rotten mosses; 4., the sterilization of filling substrate: water enough clear water in matrix, moisture content until matrix reaches till 40%, water in this stromal surface after thimerosal is mixed according to the ratio of 1:500 with clear water, matrix is ceaselessly stirred to make Disinfection Effect even in the process of pouring thimerosal, substrate water content after finally sterile-processed reaches 90%, leaves standstill and comes into operation after 1 ~ 3 hour; 5., the filling of matrix: the matrix after sterilization is filled in container for plant growth, makes when non-pushed stromal surface and container for plant growth edge maintain an equal level; 6., the plantation of nursery stock: plant the Tu Tuo that front clear water embathes taxus chinensis in northeast seedling root outer wrapping, from root system top, the main root of 1/3 is clipped after cleaning root system surface exposed soil, transplanted seedling tree after section root is entered the position of about half height in container for plant growth, upwards gently carry seedling to do until the rhizome intersection of taxus chinensis in northeast nursery stock just exposes stromal surface, remain the terminal bud of taxus chinensis in northeast nursery stock in process of planting upward;
Three, the fertilizing operation of nursery stock: 1., fertilizing method flow process: adopt water soluble fertilizer, by soluble in water for the fertilizer containing corresponding content nutrient before each fertilising, be poured onto in the middle of seedling medium with watering pot afterwards, the water consumption of each fertilising is as the criterion just there is not moisture leaching, the halfhour soak time of nursery stock is given after fertilising, water afterwards clear water make it just from container bottom drench to prevent burn seedling, fertilization time from nursery stock transplanting is after one week, fertilization time 5 totally months; 2., fertilizing method is implemented: total fertilization amount is nitrogen, phosphorus, each 80mg of potassium, and once, apply fertilizer 30 times altogether, fertilizing amount adopts exponential increment method to add according to the scientific algorithm of seedling growth speed, and its formula is in fertilising in every 5 days:
N
T＝N
S(e
rt-1)
Wherein, N
tthe total amount of element in fertilizer, can arbitrary value between value 40 ~ 210mg, N
sbe the initial nutrient content of the seedling of taxus chinensis in northeast described in this explanation, carry out every strain for 1.05mg in nitrogen, t is total fertilizer application frequency, and in the present invention, t=30, r are fertilising coefficients, can at known N
sand N
twhen, calculates; For nitrogen, the computing formula of the fertilizing amount of each every seedlings is as follows:
N
t＝N
S(e
rt-1)–N
t-1
Wherein, N
tbe the fertilizing amount (t≤30) of every young plant the t time, unit is mg, N
t-1it is the total fertilization amount before the t time fertilising; Namely for the fertilizing amount of each every seedlings of nitrogen respectively: 0.20mg, 0.23mg, 0.26mg, 0.30mg, 0.35mg, 0.40mg, 0.46mg, 0.52mg, 0.60mg, 0.68mg, 0.78mg, 0.90mg, 1.03mg, 1.18mg, 1.35mg, 1.55mg, 1.77mg, 2.03mg, 2.32mg, 2.66mg, 3.05mg, 3.49mg, 3.99mg, 4.58mg, 5.24mg, 6.00mg, 6.87mg, 7.87mg, 9.02mg, 10.33mg; 3. the warm photocontrol, between fertilizer application period: by the shading of sunshade measure temperature control, keep the intensity of illumination on nursery stock top at 1000 ~ 3000lx, during infiltrating irrigation, control temperature is within the scope of 10 ~ 38 DEG C.
Adopt this test method to apply fertilizer to taxus chinensis in northeast container seedling, nursery stock grows fine, and without nutrition malaise symptoms such as yellow leaf or wiltings, plant percent reaches more than 90%, the absorption efficiency of nutrient up to 80%, than improving nearly 2 times under traditional fertilization method.
Claims (6)
1. a fertilizing method for taxus chinensis in northeast container seedling, is characterized in that the fertilizing method of taxus chinensis in northeast container seedling carries out according to the following steps:
1., acquisition time one, gather:: gather when spring not yet germinates; 2., select to require: selection growing way is healthy and strong, disease-free, the obvious taxus chinensis in northeast nursery stock of trunk, height of seedling is no more than 10cm, root is long is no more than 8cm; 3., gather and require: dig out in the lump together with the Tu Tuo around taxus chinensis in northeast seedling root during collection, to ensure the complete of root system, the soil size that sticks together is as the criterion just to wrap up root system completely, and requires that the moisture content of this Tu Tuo reaches more than 90%; 4., store: after being gathered by taxus chinensis in northeast nursery stock, in transplanting process, need moisturizing to store, method is: the taxus chinensis in northeast nursery stock of band Tu Tuo is put into moist woven bag, is kept the moisture content of the Tu Tuo wrapping up taxus chinensis in northeast seedling root 90% by the mode of watering;
Two, the plantation of nursery stock: 1., plant the time: taxus chinensis in northeast nursery stock stores after acquisition in 1 time-of-week and completes to the plantation in transplanting container; 2., the selection of container for plant growth: the height of container for plant growth should be greater than the root length of taxus chinensis in northeast nursery stock, but maximum height is no more than 15cm, and the diameter of container is advisable with 5 ~ 10cm; 3., the mixing of filling substrate: sweep pure land face foreign material, perlite is laid in earth's surface, lay peat composed of rotten mosses stirring and evenly mixing on one side on it, the final peat composed of rotten mosses and perlitic volume mixture ratio are 2:1 ~ 3:1; 4., the sterilization of filling substrate: water enough clear water in matrix, till the moisture content of matrix reaches more than 40%, water in this stromal surface after thimerosal is mixed according to the ratio of 1:500 with clear water, in the process of pouring thimerosal, ceaselessly stir matrix to make Disinfection Effect even, the substrate water content after finally sterile-processed reaches 90%; 5., the filling of matrix: the matrix after sterilization is filled in container for plant growth, makes when non-pushed stromal surface and container for plant growth edge maintain an equal level; 6., the plantation of nursery stock: plant the Tu Tuo that front clear water embathes taxus chinensis in northeast seedling root outer wrapping, from root system top, the main root of 1/3 is clipped after cleaning root system surface exposed soil, transplanted seedling tree after section root is entered the position of about half height in container for plant growth, upwards gently carry seedling to do until the rhizome intersection of taxus chinensis in northeast nursery stock just exposes stromal surface, remain the terminal bud of taxus chinensis in northeast nursery stock in process of planting upward;
Three, the fertilizing operation of nursery stock: 1., fertilizing method flow process: adopt water soluble fertilizer, by soluble in water for the fertilizer containing corresponding content nutrient before each fertilising, be poured onto in the middle of seedling medium with watering pot afterwards, the water consumption of each fertilising is as the criterion just there is not moisture leaching, the halfhour soak time of nursery stock is given after fertilising, water afterwards clear water make it just from container bottom drench to prevent burn seedling, fertilization time from nursery stock transplanting is after one week, fertilization time 5 totally months; 2., fertilizing method is implemented: total fertilization amount is nitrogen, phosphorus, each 40 ~ 210mg of potassium, and the total fertilization amount of nitrogen, phosphorus, potassium is identical, and once, apply fertilizer 30 times altogether, fertilizing amount adopts exponential increment method to add according to the scientific algorithm of seedling growth speed in fertilising in every 5 days; 3. the warm photocontrol, between fertilizer application period: by the shading of sunshade measure temperature control, keep the intensity of illumination on nursery stock top at 1000 ~ 3000lx, during infiltrating irrigation, control temperature is within the scope of 10 ~ 38 DEG C.
2. the fertilizing method of a kind of taxus chinensis in northeast container seedling according to claim 1, is characterized in that the nursery stock acquisition time described in step one is 1. that April 1 was to May 1.
3. the fertilizing method of a kind of taxus chinensis in northeast container seedling according to claim 1, is characterized in that the nursery stock acquisition time described in step one is 1. that April 1 was to April 15.
4. the fertilizing method of a kind of taxus chinensis in northeast container seedling according to claim 1, it is characterized in that the seedling medium described in step 2 is 3. mixed by the peat composed of rotten mosses and perlite, the described peat composed of rotten mosses be 100% composition without the mud peat composed of rotten mosses, during mixing, the peat composed of rotten mosses is poured on the perlite center divided to stir, in the matrix finally mixed, the peat composed of rotten mosses and perlitic volume ratio are 3:1 again.
5. the fertilizing method of a kind of taxus chinensis in northeast container seedling according to claim 1, it is characterized in that disinfecting described in step 2 4.: be that thimerosal and water mix by 1:500 by thimerosal and water volume ratio, obtain diluting rear thimerosal, the matrix mixed to be mixed in thimerosal and to stir, substrate water content after stirring reaches 90%, leaves standstill and comes into operation after 1 ~ 3 hour.
6. the fertilizing method of a kind of taxus chinensis in northeast container seedling according to claim 1, it is characterized in that the enforcement of the fertilizing method described in step 3 2.: total fertilization amount is nitrogen, phosphorus, each 40 ~ 210mg of potassium, and the total fertilization amount of nitrogen, phosphorus, potassium is identical, fertilising in every 5 days once, apply fertilizer 30 times altogether, fertilizing amount adopts exponential increment method to add according to the scientific algorithm of seedling growth speed, and its formula is:
N
T＝N
S(e
rt-1)
Wherein, N
tthe total amount of element in fertilizer, can arbitrary value between value 40 ~ 210mg, N
sbe the initial nutrient content of the seedling of taxus chinensis in northeast described in this explanation, carry out every strain for 1.05mg in nitrogen, t is total fertilizer application frequency, and in the present invention, t=30, r are fertilising coefficients, can at known N
sand N
twhen, calculates; For nitrogen, the computing formula of the fertilizing amount of each every seedlings is as follows:
N
t＝N
S(e
rt-1)–N
t-1
Wherein, N
tbe the fertilizing amount (t≤30) of every young plant the t time, unit is mg, N
t-1it is the total fertilization amount before the t time fertilising.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107439299A (en) * | 2017-08-02 | 2017-12-08 | 北京林业大学 | A kind of method that taxus chinensis in northeast is cultivated in Introduced in Beijing Area |
| CN108834723A (en) * | 2018-07-13 | 2018-11-20 | 中国林业科学研究院林业研究所 | A method of improving taxus chinensis in northeast cuttage and seedling culture survival rate |
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