CN114586639A - Earthworm cast-based seedling substrate and application thereof - Google Patents
Earthworm cast-based seedling substrate and application thereof Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims abstract description 72
- 241000361919 Metaphire sieboldi Species 0.000 title abstract description 19
- 239000010451 perlite Substances 0.000 claims abstract description 28
- 235000003953 Solanum lycopersicum var cerasiforme Nutrition 0.000 claims abstract description 27
- 240000003040 Solanum lycopersicum var. cerasiforme Species 0.000 claims abstract description 27
- 235000010726 Vigna sinensis Nutrition 0.000 claims abstract description 27
- 239000003415 peat Substances 0.000 claims abstract description 23
- 235000019362 perlite Nutrition 0.000 claims abstract description 23
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims abstract description 22
- 239000006002 Pepper Substances 0.000 claims abstract description 20
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 claims abstract description 20
- 229910000389 calcium phosphate Inorganic materials 0.000 claims abstract description 20
- 235000019691 monocalcium phosphate Nutrition 0.000 claims abstract description 20
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 15
- 244000042314 Vigna unguiculata Species 0.000 claims abstract 3
- 235000002566 Capsicum Nutrition 0.000 claims description 15
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- 235000008184 Piper nigrum Nutrition 0.000 claims description 14
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 claims description 3
- 239000002426 superphosphate Substances 0.000 claims description 3
- 244000203593 Piper nigrum Species 0.000 claims 1
- 239000003337 fertilizer Substances 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 31
- 241000722363 Piper Species 0.000 abstract description 18
- 235000015097 nutrients Nutrition 0.000 abstract description 12
- 235000008534 Capsicum annuum var annuum Nutrition 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
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- 230000000694 effects Effects 0.000 description 14
- 238000009472 formulation Methods 0.000 description 8
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- 238000005457 optimization Methods 0.000 description 7
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- 238000005728 strengthening Methods 0.000 description 6
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- 238000011161 development Methods 0.000 description 3
- 210000003608 fece Anatomy 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 239000010455 vermiculite Substances 0.000 description 3
- 235000019354 vermiculite Nutrition 0.000 description 3
- 229910052902 vermiculite Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000012795 verification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000758706 Piperaceae Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
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- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/05—Fruit crops, e.g. strawberries, tomatoes or cucumbers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/40—Fabaceae, e.g. beans or peas
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
- Mushroom Cultivation (AREA)
Abstract
The invention discloses a wormcast-based seedling substrate and application thereof, wherein wormcast, mushroom dregs, grass peat and perlite are used as materials, and the optimal formula of the cherry tomato, pepper and cowpea seedling substrate is developed to be respectively 'mushroom dregs, grass peat, perlite, earthworm excrement, 35:20:10(V/V) +2g/L calcium superphosphate', 'mushroom dregs, grass peat, perlite, earthworm excrement, 35:35:20:10 (V/V)' and 'mushroom dregs, grass peat, perlite, earthworm excrement, 35:20:10(V/V) +3g/L calcium superphosphate'; under the optimal formula, the strong seedling indexes of cherry tomato, pepper and cowpea seedlings are respectively improved by 26.0 percent, 43.9 percent and 8.5 percent compared with those of a commodity matrix. The earthworm cast-based seedling substrate provided by the invention can reduce the EC value and dry volume weight of the seedling substrate and improve the available P nutrient and water retention property.
Description
Technical Field
The invention belongs to the technical field of seedling raising substrates, and particularly relates to a wormcast-based seedling raising substrate and application thereof.
Background
With the rapid development of specialized, standardized and industrialized substrate plug seedling, the demand of seedling substrate is increasing. The seedling raising substrate in the market is mainly prepared from grass peat, perlite, vermiculite and other materials, the proportion of the grass peat is more than 50%, and the grass peat accounts for 60% in a classical seedling raising substrate formula (grass peat: vermiculite: perlite: 3:1: 1). The grass carbon, the vermiculite and the perlite are non-renewable resources, are not inexhaustible, and are inexhaustible, so that the development of suitable environment-friendly matrix materials is particularly important for sustainable development of matrix industry in China.
The wormcast is granular substance produced by the earthworm swallowing the livestock manure, crop straw and other biomass wastes. Compared with other organic materials, the wormcast is clean, sanitary and free of peculiar smell, has the excellent properties of comprehensive and balanced nutrients of the organic materials, and is rich in active substances such as trace elements, organic acids and the like, and is safer. The mushroom dregs are the culture medium waste left after the cultivation of the edible mushrooms, are rich in large and medium trace elements such as nitrogen, phosphorus, potassium, calcium, copper and the like, and active substances such as protein, amino acid and the like, and are excellent organic materials.
In the prior art, part of seedling raising substrates with better seedling raising effect have complex formula and higher cost, and are not beneficial to wide popularization and use.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a wormcast-based seedling substrate, which takes wormcast, mushroom dregs, peat grass and perlite as materials and develops an optimal formula of cherry tomato, pepper and cowpea seedling substrate.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
a seedling substrate based on wormcast comprises the following components: the volume ratio of the mushroom dregs to the grass peat to the perlite to the wormcast is 35:35:20: 10.
Further: the seedling substrate also comprises calcium superphosphate (P)2O5Not less than 16 percent) and the addition amount of the calcium superphosphate is 2 g/L.
Further: the seedling substrate also comprises calcium superphosphate (P)2O5Not less than 16 percent) and the addition amount of the calcium superphosphate is 3 g/L.
An application of a wormcast-based seedling substrate in cherry tomato seedling culture.
An application of a seedling substrate based on wormcast in pepper seedling culture.
An application of a seedling substrate based on wormcast in cowpea seedling culture.
The invention has the beneficial effects that:
1. the invention takes earthworm cast, mushroom dregs, peat and perlite as materials, and develops the optimal formula of cherry tomato, pepper and cowpea seedling substrate, namely the mushroom dregs, the peat, the perlite, the earthworm cast, 35:20:10(V/V) +2g/L calcium superphosphate, the mushroom dregs, the peat, the perlite, the earthworm cast, 35:20:10(V/V) and the mushroom dregs, the peat, the perlite, the earthworm cast, 35:20:10(V/V) +3g/L calcium superphosphate respectively; under the optimal formula, the seedling strengthening indexes of the cherry tomato seedlings, the pepper seedlings and the cowpea seedlings are respectively improved by 26.0 percent, 43.9 percent and 8.5 percent compared with those of a commodity substrate.
2. The earthworm cast-based seedling substrate provided by the invention can reduce the EC value and dry volume weight of the seedling substrate and improve the available P nutrient and water retention property.
Drawings
FIG. 1 is a graph of moisture changes of different matrices.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
Example 1
Preparing a seedling substrate by using wormcast:
the method is characterized in that a commodity substrate is used as a contrast, cherry tomatoes, hot peppers and cowpeas are used as tested crops, and the influence of the addition amount of wormcast (YF) (5-40% (V/V)) on the seedling raising effect of a composite substrate of 'mushroom residue-peat-perlite (45:45:10(V/V), J + C + Z)'.Studies show that the substrate formula 'J + C + Z + 40% YF' has the best seedling raising effect on the cherry tomatoes, the hot peppers and the cowpeas (see tables 1-3), wherein the indexes of the raised cherry tomatoes and the cowpeas are equivalent to those of seedlings raised by the commodity substrate, and the seedling raising effect on the hot peppers is inferior to that of the commodity substrate.
TABLE 1 Effect of different formula media on cherry tomato seedlings (3 weeks seedlings)
Note: the same letters following the same numbers in the same column in the table were not significantly different as tested by Duncan new range test (LSR) (P ═ 0.05). The following tables are the same as in Table 1.
TABLE 2 Effect of different formulations of the substrate on pepper seedlings (3 weeks seedlings)
TABLE 3 influence of different formula bases on cowpea seedling raising (3 weeks seedling)
Example 2
Physical and chemical property analysis of different formula matrixes:
the wormcast has the characteristics of low EC value, low porosity, large dry volume and high P nutrient content, and the physical and chemical properties of the 'mushroom residue-turf-perlite' composite matrix can be improved by adding the wormcast. Chemically, all formulation bases have significantly higher pH values than commercial bases, but still within the ideal base requirement (6-8); the EC value of all formula matrixes is obviously higher than that of the commodity matrixes, and the EC value of the 'mushroom residue-turf-perlite' composite matrix can be adjusted to be within the range of the ideal matrix requirement by adding more than 10% of wormcast (the EC value of all formula matrixes is obviously higher than that of the commodity matrixes)<3000. mu.s/cm); the 'mushroom dreg-grass peat-perlite' composite substrate P nutrient is obviously lower than that of a commodity substrate, and the adding amount of wormcast is more than 30 percent, so that the quick-acting P nutrient can be adjusted to reach the level equivalent to that of the commodity substrate; K. n and organic matter were abundant without adjustment (table 4). In terms of physical properties, the dry volume weight of the formula matrix is within the range of the requirement of an ideal matrix (0.1-0.8 g/cm)3) But all significantly higher than commercial substrates; the total porosity is in the range of ideal matrix requirements (70-90%), but significantly less than commercial matrices; the water holding porosity, air permeability porosity and water-vapor ratio were not much different from the commercial substrate (table 5). Therefore, the optimization direction of the property of the 'mushroom dreg-turf-perlite' composite matrix is to reduce the EC value and the dry volume weight and improve the quick-acting P nutrient.
TABLE 4 chemistry of the different formulation bases
TABLE 5 physical Properties of the different formulation bases
Example 3
Seedling substrate EC value, dry volume weight optimization and seedling verification:
the seedling raising effect can be influenced by too high dry volume weight. Therefore, the adding volume of the wormcast in the composite substrate formula J + C + Z + 40% YF is reduced to 10%, and the adding volume of the perlite is increased to 20%, namely the substrate formula is changed into 'mushroom residue: peat: perlite: wormcast: 35:20:10 (V/V)'. The EC value of the optimized substrate is reduced from 2250 mu s/cm to 1030 mu s/cm, and the volume weight is reduced from 0.595g/cm3Reduced to 0.245g/cm3Other physical and chemical properties are not obviously different from those of the commercial substrates (see tables 6 and 7). Seedling raising results show that the true leaf number, the total biomass, the aboveground biomass and the underground biomass of the cherry tomato seedlings are obviously superior to those of the commodity matrix, other indexes have no obvious difference from the commodity matrix, and the strong seedling index is improved by 14.7 percent; the plant height, leaf spot value, true leaf number, total biomass, aboveground biomass and underground biomass of the pepper seedlings are obviously superior to those of the commodity matrix, other indexes have no obvious difference with the commodity matrix, and the seedling strengthening index is improved by 43.9 percent; the height of cowpea seedlings is obviously higher than that of the commodity matrix, other indexes have no obvious difference with the commodity matrix, and the strong seedling index is improved by 5.71 percent (Table 8).
Table 6 optimization of the chemistry of the formulation base
TABLE 7 optimization of physical Properties of the formulation base
TABLE 8 seedling raising effect of optimized formula substrate
Example 4
And (3) seedling culture substrate quick-acting P nutrient optimization and seedling culture verification:
in order to further improve the seedling quality of the substrate formula, namely, the culture medium comprises 0g/L (P) of the culture medium, wherein the culture medium comprises the fungus residue, the grass peat, the perlite and the earthworm dung, the ratio of 35:35:20:10(V/V) is respectively0)、1g/L(P1)、2g/L(P2)、3g/L(P3)、4g/L(P4) Adding calcium superphosphate (P)2O5Not less than 16 percent) and research the influence of different addition amounts of the calcium superphosphate (P) on the seedling raising effect of cherry tomatoes, hot peppers and cowpeas. The seedling raising result shows that the calcium superphosphate is added by 2g/L on the basis of the formula of the substrate, wherein the formula comprises bacterial residues, turf, perlite and earthworm dung of 35:35:20:10(V/V), the growth index of cherry tomato seedlings is the best, and the strong seedling index is improved by 26.0 percent compared with that of a commercial substrate; the influence of the addition of the calcium superphosphate on the indexes of the pepper seedlings is not obvious, the formula of the matrix comprises the mushroom dregs, the grass peat, the perlite and the earthworm dung (35: 35:20: 10) (V/V), and a good seedling raising effect can be achieved without the addition of the calcium superphosphate, and the seedling strengthening index is improved by 43.9 percent compared with that of a commercial matrix; 3g/L of calcium superphosphate is added on the basis of a substrate formula, namely mushroom dregs, peat, perlite and earthworm cast (35: 35:20: 10) (V/V), the cowpea seedling growth index is the best, and the seedling strengthening index is improved by 8.5 percent compared with that of a commercial substrate (see tables 9-11).
TABLE 9 Effect of different addition amounts of calcium superphosphate on cherry tomato seedlings (3 weeks seedlings)
TABLE 10 influence of different addition amounts of calcium superphosphate on pepper seedlings (3 weeks seedlings)
TABLE 11 influence of different addition amounts of superphosphate on cowpea seedling raising (3 weeks seedling)
Matrix property measurements showed that the addition of calcium superphosphate had no significant effect on the physical properties of the matrix (table 12), but increased the amount of rapid-acting P in the matrix and was closer to the ideal matrix requirement (0.17-0.33%) (table 13). The P nutrient addition has different promotion effects on growth indexes of cherry tomatoes, hot peppers and cowpeas because the three crops have different requirements on the P nutrient. Cherry tomatoes and cowpeas are favorite P crops, the demand for phosphate fertilizer is large in the whole growth period, the improvement of the quality of seedlings can be promoted by improving the content of P nutrients within a certain range, and therefore, the seedling strengthening indexes of the cherry tomatoes and the cowpeas are in a change rule of increasing firstly and then decreasing along with the increase of the P nutrients; the seedling stage of the pepper needs less P, and the P absorption amount only accounts for 6.4-13.86% of the P absorption amount in the whole growth stage, so the promotion effect of the addition of the P nutrient on the seedling quality is not obvious. Comparing the content of the matrix quick-acting P before (Table 13) and after (Table 14-Table 16) the decrease of the matrix quick-acting P of the cherry tomatoes and the cowpeas planted is larger than that of the matrix quick-acting P of the peppers planted. Under the optimal formula, the quick-acting P of the medium for planting cherry tomatoes is reduced by 36 percent, the quick-acting P of the medium for planting cowpea is reduced by 22 percent, and the quick-acting P of the medium for planting pepper is reduced by only 16 percent.
TABLE 12 physical Properties of the base of the optimized formulations with various amounts of P
TABLE 13 chemistry of the base of the pre-optimization formula with different amounts of P
Table 14 cherry tomato post-dose P optimization formula base chemistry
TABLE 15 chemistry of post-pepper variable P optimized formula base
TABLE 16 chemistry of post cowpea different amounts of P optimized formulation matrix
Example 5
Study on water retention (drought resistance) of seedling culture medium:
the water retention performance of the commodity substrate, the cherry tomato substrate, the pepper substrate and the cowpea substrate is researched, and with reference to fig. 1, the research result shows that the water retention performance of the cherry tomato substrate, the pepper substrate and the cowpea substrate is improved to a certain extent compared with that of the commodity substrate, at the 7 th day, the water reduction rates of the cherry tomato substrate, the pepper substrate, the cowpea substrate and the commodity substrate are respectively 8.8%, 8.3% and 8.0%, 9.0%, and the water retention performance is respectively improved by 0.2%, 0.7% and 1.0% compared with that of the commodity substrate; at 15d, the moisture reduction rates of the cherry tomato matrix, the pepper matrix, the cowpea matrix and the commodity matrix are respectively 25.3%, 23.9%, 24.6% and 26.6%, and the water retention is respectively improved by 1.3%, 2.7% and 2.0% compared with the commodity matrix.
The best formula of the developed cherry tomato, pepper and cowpea seedling raising substrates is respectively 'fungus residue: peat: perlite: earthworm residue ═ 35:35:20:10(V/V) +2g/L calcium superphosphate', 'fungus residue: peat: perlite: earthworm residue ═ 35:20:10 (V/V)' and 'fungus residue: peat: perlite: earthworm residue ═ 35:35:20:10 (V/V)'; under the optimal formula, the seedling strengthening indexes of the cherry tomato seedlings, the pepper seedlings and the cowpea seedlings are respectively improved by 26.0 percent, 43.9 percent and 8.5 percent compared with those of a commodity substrate.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A seedling substrate based on wormcast is characterized in that: comprises the following components: the special fertilizer comprises mushroom dregs, grass peat, perlite and wormcast, wherein the volume ratio of the mushroom dregs to the grass peat to the wormcast is 35:35:20: 10.
2. The wormcast-based seedling substrate according to claim 1, wherein: the seedling substrate also comprises P2O5More than or equal to 16 percent of superphosphate, and the addition amount of the superphosphate is 2 g/L.
3. The wormcast-based seedling substrate according to claim 1, wherein: the seedling substrate also comprises P2O5More than or equal to 16 percent of calcium superphosphate, wherein the addition amount of the calcium superphosphate is 3 g/L.
4. Use of the wormcast-based seedling substrate of claim 1 in raising of seedlings of pepper.
5. Use of the wormcast-based seedling substrate in cherry tomato seedling raising according to claim 2.
6. Use of wormcast-based seedling substrate according to claim 3 in cowpea seedling.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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