CN1547890A - Formulation and compounding process for nutritious liquid for water cultivating mini leaf vegetable - Google Patents
Formulation and compounding process for nutritious liquid for water cultivating mini leaf vegetable Download PDFInfo
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- CN1547890A CN1547890A CNA031169376A CN03116937A CN1547890A CN 1547890 A CN1547890 A CN 1547890A CN A031169376 A CNA031169376 A CN A031169376A CN 03116937 A CN03116937 A CN 03116937A CN 1547890 A CN1547890 A CN 1547890A
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- nutrient solution
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Abstract
The formulation of nutritious liquid for water cultivating leaf vegetable consists of (in mg/L): NO3-N 70-150, P 5-40, Ca 80-140, S 60-130, B 0.2-1.0, Zn 0.04-0.08, Mo 0.01-0.4, NH4-N 0-14, K 120-280, Mg 40-60, Fe 2.0-6.0, Mn 0.4-1.0 and Cu 0.01-0.1 except water. During compounding, Ca and Fe containing salts are dissolved in water to compound liquid A, and the compounds containing other nutrients elements are dissolved in water to compound liquid B. the present invention is used mainly in household water cultivation of leaf vegetable and may be used for 120-200 days continuously.
Description
Technical field: the present invention relates to a kind of soilless cultivation plant nutrient solution prescription and compound method, particularly a kind of miniature water planting leaf vegetables nutrient solution prescription and compound method.
Background technology: at present both at home and abroad, a lot of scholars are devoted to the research of soilless culture, use nutrient solution to carry out aspects such as vegetable soilless culture, flowers, medicinal herbs merely, and the example of success is also arranged both at home and abroad.But great majority all are devoted to large-scale cultivation and are used, and the research aspect the miniature water planting of family is less.In extensive water planting was produced, the management of nutrient solution was by behind the content of measuring nutritive element in the nutrient solution, uses the chemotrophy material to be replenished item by item for the element of deficiency, realizes cultivation for a long time.Miniature water planting is by adding mother liquor and water, electrical conductivity (EC) value of water planting liquid is adjusted to standard value, realizing the purpose of cultivating.Extensive cultivation and small-scale cultivation have a lot of differences: miniature cultivation generally is indoor, a little less than the light; When using the artificial light source floor light, because the optical band deficiency of light source, when making plant be different from large-scale cultivation to the absorption of some nutritive element under natural lighting the absorbing rule of cultivated plant, vegetables can slow down to the absorption of nutritive elements such as Mg, N, P under low light condition.Thereby be applicable to the nutrient solution prescription of large-scale cultivation, be difficult to satisfactory under the environment when miniature cultivation.The people who is devoted at present miniature mill water culture nutrient solution formulating both at home and abroad seldom, the unit that specializes in technical research such as family water planting vegetables, flowers and medicinal material is also less.
Summary of the invention: the technical issues that need to address of the present invention are: need not to measure the content of nutritive element, can adjust nutrient solution EC value to standard value by adding mother liquor, a kind of miniature water planting leaf vegetables nutrient solution prescription and compound method are provided.
Technical scheme of the present invention is: miniature water planting leaf vegetables nutrient solution prescription is characterized in that the concentrating of nutrients scope is as follows in the nutrient solution: (mg/L of unit)
NO
3-N:70-150mg/L
P: 5-40mg/L
Ca: 80-140mg/L
S: 60-130mg/L
B: 0.2-1.0mg/L
Zn: 0.04-0.08mg/L
Mo: 0.01-0.4mg/L
NH
4-N:0-14mg/L
K: 120-280mg/L
Mg: 40-60mg/L
Fe: 2.0-6.0mg/L
Mn: 0.4-1.0mg/L
Cu: 0.01-0.1mg/L
All the other are moisture.
Adoptable inorganic fertilizer of preparation nutrient solution and the element that provides are:
The element that the fertilizer title provides
Four water-calcium nitrate NO
3-N Ca
Potassium nitrate NO
3-N K
Ammonium nitrate NH
4-N NO
3-N
Potassium dihydrogen phosphate K P
Dipotassium hydrogen phosphate K P
Potassium sulphate K S
Epsom salt Mg S
EDTA-2NaFe Fe
H
3BO
3 B
MnSO
4-H
2O Mn S
ZnSO
4-7H
2O Zn S
CuSO
4-5H
2O Cu S
(NH
4)
6Mo
7O
24-4H
2O Mo
During preparation, the salt of calcic and iron can be dissolved in water and be mixed with A liquid, all the other compound dissolutions are made B liquid in water.A and B are 100-500 times of concentrate.The volume of the nutrient solution that should prepare as required during use and the cycles of concentration of mother liquor, preparation earlier accounts for the water of the 60-80% of cumulative volume, the A liquid of measuring respective volume then adds in the entry and mixes, slowly add and the isopyknic B liquid of A liquid phase again, and stir while adding, use through the fixed molten nutrient solution that just can be used as after mixing.The nutrient solution of a dosage is the nutrient solution of normal concentration, and EC value (electrical conductivity) is 1.5-2.0ms/cm, and pH value (acid-base value) is 6.0-6.5.
The invention has the beneficial effects as follows: 1, balanced in nutrition, can use continuously by replenishing, compensation process is easy.For example when the cultivation romaine lettuce, can repeatedly carry out the additional adjustment of nutrient solution, the unbalanced phenomenon of nutrient solution can not occur according to the nutrient solution EC value that records.For the water planting planting technology enters urban households, solved a technology barrier.2, under low light condition, cultivate, generally want artificial light filling.Now common light is more with ruddiness and blue light mostly, and a variety of leaf vegetables particularly romaine lettuce can reduce absorption in this case to Ca, Mg, increase absorption to K, P, N, the problem of nutrient imbalance can appear in the short time.Can under the artificial light source blue, that ruddiness is on the high side,, can grow 120-200 days with this prescription by constantly replenishing of nutrient solution.And do contrast with the prescription of use of large-scale production, the cultivation romaine lettuce was only kept 80 days, trophic disturbance will occur.3, the present invention compares with nutrient solution with common large-scale production, under certain low light environment or artificial supplementation illumination condition, still can make each nutrient component in the leaf vegetables maintenance balance absorption nutrient solution.Water planting romaine lettuce in 30 liters of containers for example can be according to the EC value numerical value that records, and adds to the EC value of standard with mother liquor, reaches the purpose of extra-nutrition.Use this prescription, can replenish five times nutrient solution successively, time duration reaches 200 days, during romaine lettuce can plant 4-5 and criticize, and keep good good growth conditions always.And the prescription that the large-scale production of contrast is used balance phenomenon will occur after replenishing three mother liquors.The present invention is multiple authentication in miniature water planting leaf vegetables, well-growns such as romaine lettuce, spinach, and use is simple, convenient, and nutrient solution can utilize the long period.
Embodiment:
Embodiment 1, during preparation, according to the technological means of routine, four water-calcium nitrate, EDTA-2NaFe is dissolved in the concentrated A liquid that water is mixed with 300 times of concentration, with potassium nitrate, dipotassium hydrogen phosphate, potassium sulphate, epsom salt, EDTA-2NaFe, H
3BO
3, MnSO
4-H
2O, ZnSO
4-7H
2O, CuSO
4-5H
2O, (NH
4)
6Mo
7O
24-4H
2O is dissolved in the concentrated B liquid that water is mixed with 300 times of concentration, in the content of preparing 1 liter, make compound in the nutrient solution of making is: (unit: mM/liter)
Four water-calcium nitrate 3.2
Potassium nitrate 3.8
Dipotassium hydrogen phosphate 1.0
Potassium sulphate 0.3
Epsom salt 2.42
EDTA-2NaFe 0.05
H
3BO
3 0.046
MnSO
4-H
2O 0.009
ZnSO
4-7H
2O 0.000765
CuSO
4-5H
2O 0.00032
(NH
4)
6Mo
7O
24-4H
2O 0.00008
The concentrating of nutrients is as follows in the nutrient solution: (mg/L of unit)
NO
3-N:144
P: 31
Ca: 128
S: 90
B: 0.5
Zn: 0.05
Mo: 0.05
K: 250
Mg: 58
Fe: 2.8
Mn: 0.5
Cu: 0.02
All the other are moisture.
The nutrient solution of a dosage is the normal concentration nutrient solution, EC value (electrical conductivity) is 1.5-2.0ms/cm, pH value (acid-base value) is 6.0-6.5, carrying out box leaf vegetables romaine lettuce when cultivation especially, according to the electrical conductivity of measuring nutrient solution and acid-base value and standard comparison, can carry out the adjustment of nutrient solution concentration, the volume of the nutrient solution that should prepare as required during use and the cycles of concentration of mother liquor, prepare the water of 600ml earlier, the A liquid of measuring 200ml then adds in the entry and mixes, slowly add and the isopyknic B liquid of A liquid phase again, and stir while adding, use through the fixed molten nutrient solution that just can be used as after mixing.Owing to the infiltration rate difference of vegetables root system to each element in the nutrient solution, the influence of factors such as the temperature of nutrient solution, pH value variation, each element can change within the specific limits in the nutrient solution.And the present invention can make the growth of romaine lettuce can not be subjected to very big influence, still can be with state growth preferably.This nutrient solution low light tolerance ability is strong, and under the situation of artificial light filling, more for a long time, romaine lettuce can reduce the absorption to Ca, Mg at basket, ruddiness, increases the absorption to K, P, N.Utilize this nutrient solution prescription, can by constantly replenishing of nutritive element, can cultivate continuously 120-200 days under the more artificial light source of basket, ruddiness, growth conditions is good.
Embodiment 2: during preparation, according to the technological means of routine, four water-calcium nitrate, EDTA-2NaFe are dissolved in the concentrated A liquid that water is mixed with 200 times of concentration, with potassium nitrate, ammonium nitrate, potassium dihydrogen phosphate, epsom salt, EDTA-2NaFe, H
3BO
3, MnSO
4-H
2O, ZnSO
4-7H
2O, CuSO
4-5H
2O, (NH
4)
6Mo
7O
24-4H
2O is dissolved in the concentrated B liquid that water is mixed with 200 times of concentration, in the content of preparing 1 liter, make compound in the nutrient solution of making is: (unit: mM/liter)
Four water-calcium nitrate 2.0
Potassium nitrate 2.1
Ammonium nitrate 0.5
Potassium dihydrogen phosphate 0.5
Epsom salt 2.0
EDTA-2NaFe 0.1
H
3BO
3 0.046
MnSO
4-H
2O 0.01456
ZnSO
4-7H
2O 0.000765
CuSO
4-5H
2O 0.00032
(NH
4)
6Mo
7O
24-4H
2O 0.000016
The concentrating of nutrients is as follows in the nutrient solution: (mg/L of unit)
NO
3-N:?92
NH
4-N:?7
P: 16
Ca: 80
S: 65
B: 0.5
Zn: 0.05
Mo: 0.01
K: 120
Mg: 48
Fe: 5.6
Mn: 0.8
Cu: 0.02
All the other are moisture.
During preparation, prepare earlier the water of 700ml, the A liquid of measuring 150ml then adds in the entry and mixes, slowly add and the isopyknic B liquid of A liquid phase again, and stir while adding, use through the fixed molten nutrient solution that just can be used as after mixing, all the other are identical with embodiment 1.
Claims (10)
1, miniature water planting leaf vegetables nutrient solution prescription is characterized in that the concentrating of nutrients scope is as follows in the nutrient solution: (mg/L of unit)
NO
3-N: 70-150mg/L
P: 5-40mg/L
Ca: 80-140mg/L
S: 60-130mg/L
B: 0.2-1.0mg/L
Zn: 0.04-0.08mg/L
Mo: 0.01-0.4mg/L
NH
4-N: 0-14mg/L
K: 120-280mg/L
Mg: 40-60mg/L
Fe: 2.0-6.0mg/L
Mn: 0.4-1.0mg/L
Cu: 0.01-0.1mg/L
All the other are moisture.
2, the described miniature water planting leaf vegetables nutrient solution prescription of claim 1 is characterized in that the concentrating of nutrients is as follows in the nutrient solution: (mg/L of unit)
NO
3-N: 144
P: 31
Ca: 128
S: 90
B: 0.5
Zn: 0.05
Mo: 0.05
K: 250
Mg: 58
Fe: 2.8
Mn: 0.5
Cu: 0.02
All the other are moisture.
3, the described miniature water planting leaf vegetables nutrient solution prescription of claim 1 is characterized in that the concentrating of nutrients is as follows in the nutrient solution: (mg/L of unit)
NO
3-N: 92
NH
4-N: 7
P: 16
Ca: 80
S: 65
B: 0.5
Zn: 0.05
Mo: 0.01
K: 120
Mg: 48
Fe: 5.6
Mn: 0.8
Cu: 0.02
All the other are moisture.
4, the compound method of the described miniature water planting leaf vegetables nutrient solution prescription of claim 1, it is characterized in that: during preparation, can be with the salt of calcic and iron, be dissolved in water and be mixed with A liquid, the compound dissolution that will contain all the other nutritive elements is made B liquid in water, the volume of the nutrient solution that should prepare as required during use and the cycles of concentration of mother liquor, preparation earlier accounts for the water of the 60-80% of cumulative volume, the A liquid of measuring respective volume then adds in the entry and mixes, slowly add and the isopyknic B liquid of A liquid phase again, and stir while adding, use through the fixed molten nutrient solution that just can be used as after mixing.
5, the compound method of nutrient solution prescription according to claim 4 is characterized in that: the salt of described calcic and iron is four water-calcium nitrate, EDTA-2NaFe.
6, the compound method of nutrient solution prescription according to claim 4 is characterized in that: the described compound of all the other nutritive elements that contains is from potassium nitrate, ammonium nitrate, potassium dihydrogen phosphate, dipotassium hydrogen phosphate, potassium sulphate, epsom salt, H
3BO
3, MnSO
4-H
2O, ZnSO
4-7H
2O, CuSO
4-5H
2O, (NH
4)
6Mo
7O
24-4H
2Choose among the O.
7, the compound method of nutrient solution prescription according to claim 6 is characterized in that: the described compound that contains all the other nutritive elements is potassium nitrate, dipotassium hydrogen phosphate, potassium sulphate, epsom salt, H
3BO
3, MnSO
4-H
2O, ZnSO
4-7H
2O, CuSO
4-5H
2O, (NH
4)
6Mo
7O
24-4H
2O.
8, the compound method of nutrient solution prescription according to claim 6 is characterized in that: the described compound that contains all the other nutritive elements is potassium nitrate, ammonium nitrate, potassium dihydrogen phosphate, epsom salt, H
3BO
3, MnSO
4-H
2O, ZnSO
4-7H
2O, CuSO
4-5H
2O, (NH
4)
6Mo
7O
24-4H
2O.
9, the compound method of nutrient solution prescription according to claim 4 is characterized in that: described A, B liquid are 100-500 times of concentrate.
10, the described miniature water planting leaf vegetables nutrient solution prescription of claim 1 is characterized in that the nutrient solution of a dosage is the normal concentration nutrient solution, and the EC value is 1.5-2.0ms/cm, and pH value is 6.0-6.5.
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CN102126879A (en) * | 2010-01-26 | 2011-07-20 | 北京林业大学 | Nutrient solution specially for potted peony |
CN102458097A (en) * | 2009-06-03 | 2012-05-16 | 日本山村硝子株式会社 | Method for producing high functionality plants in hydroponic cultivation |
CN102617216A (en) * | 2012-04-01 | 2012-08-01 | 广西壮族自治区药用植物园 | Huperzia serrata cultivation nutrient solution |
CN103348900A (en) * | 2012-04-28 | 2013-10-16 | 湖南科技学院 | Ageratina adenophora water culture method |
CN103957694A (en) * | 2012-11-09 | 2014-07-30 | 会津富士加工株式会社 | Vegetable having low potassium content, and method for culturing said vegetable |
CN104151076A (en) * | 2014-08-14 | 2014-11-19 | 江苏农林职业技术学院 | Preparation method of spinach water culture formula |
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CN105573356A (en) * | 2016-01-25 | 2016-05-11 | 同济大学 | Nutrient solution concentration control method and nutrient solution concentration control system |
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2003
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CN103348900A (en) * | 2012-04-28 | 2013-10-16 | 湖南科技学院 | Ageratina adenophora water culture method |
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CN106535622A (en) * | 2014-10-14 | 2017-03-22 | 松下知识产权经营株式会社 | Solution cultivation method for low potassium vegetable, low potassium vegetable and cultivation device |
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