CN111034500B - Matrix type seedling tray for cultivating strong seedlings of machine-transplanted rice and manufacturing method thereof - Google Patents
Matrix type seedling tray for cultivating strong seedlings of machine-transplanted rice and manufacturing method thereof Download PDFInfo
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- CN111034500B CN111034500B CN202010127581.0A CN202010127581A CN111034500B CN 111034500 B CN111034500 B CN 111034500B CN 202010127581 A CN202010127581 A CN 202010127581A CN 111034500 B CN111034500 B CN 111034500B
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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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
- A01G9/0293—Seed or shoot receptacles
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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
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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
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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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
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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
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/27—Pulp, e.g. bagasse
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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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
- A01G9/0295—Units comprising two or more connected receptacles
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- Life Sciences & Earth Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The invention discloses a matrix type seedling tray for cultivating strong seedlings of machine-transplanted rice, which comprises the following raw materials in parts by weight: 11-13 parts of mushroom residues; 5-7 parts of straw; 0.5-1.5 parts of degradable papermaking fiber; 0.5-1.5 parts of nutrient agar; 6-7 parts of water, the invention effectively reduces the seedling raising cost, changes agricultural wastes into valuables, recycles and protects the environment; the integrated treatment of the seedling raising tray, the matrix, the nutrients and other substances is beneficial to cultivating strong seedlings, saves labor force and provides technical support and guarantee for large-area rice production.
Description
Technical Field
The invention relates to a seedling tray, in particular to a seedling tray for strengthening rice seedlings and a manufacturing method thereof.
Background
The rice is the first large grain crop in China, the mechanical rice transplanting technology can greatly improve the production efficiency, is beneficial to large-area and large-scale planting, and is the development trend of rice production in China. One of the key links of mechanical seedling transplanting lies in early stage cultivation of strong seedlings, and in various production places, nutrient soil is prepared by taking farmland surface soil for seedling cultivation, in recent years, large-scale seedling cultivation has the problems of labor and time waste for taking soil, inconvenient transportation, soil taking in successive years to cause damage to soil of a plough layer and the like, the consumption of soil resources in seedling cultivation production is continuously increased, and the problem of seedling diseases in the seedling cultivation process is becoming more serious.
Researchers find that the matrix is adopted to replace nutrient soil for fertilizing and raising seedlings, damage to a soil layer caused by soil taking can be reduced, disease infection is avoided, and the problem brought by nutrient soil seedling raising is effectively solved. But the matrix has high production cost, light weight, large pores, poor water retention capacity, intolerance to showering, insufficient fermentation, uneven stirring and other problems easily occurring in the matrix production process, and the problems of high matrix use cost, low safety, low seedling quality caused by insufficient fertility at the later stage, poor seedling packing and the like still exist in seedling raising.
Meanwhile, seedling trays must be used in the conventional nutrient soil and matrix seedling raising process, and links such as purchase, placement, cleaning, transportation, loss and the like of the seedling trays greatly increase the requirements of mechanical seedling transplanting and raising on labor, capital and space, and influence the further popularization of the mechanical seedling transplanting technology of rice. Therefore, improvement and optimization on the use aspect of the existing seedling raising substrate and seedling tray are needed, a manufacturing method of an efficient, cost-saving and environment-friendly seedling raising substrate and seedling tray integrated product aiming at mechanical transplanting and seedling raising is invented, and an application technology matched with the manufacturing method is researched.
Disclosure of Invention
The invention aims to provide a matrix type seedling tray for cultivating strong seedlings of machine-transplanted rice and a manufacturing method thereof, which not only realize the recycling of wastes, but also save the rice seedling raising cost and protect farmland plough layer soil from being damaged.
The purpose of the invention is realized as follows: a substrate type seedling tray for cultivating strong seedlings of machine-transplanted rice and a manufacturing method thereof are disclosed, wherein the seedling tray comprises the following raw materials in parts by weight:
11-13 parts of mushroom residues; 5-7 parts of straw; 0.5-1.5 parts of degradable papermaking fiber; 0.5-1.5 parts of nutrient agar; 6-7 parts of water.
The manufacturing method comprises the following steps:
(1) preparing raw materials: 11-13 parts of mushroom residues; 5-7 parts of straw; 0.5-1.5 parts of degradable papermaking fiber; 0.5-1.5 parts of nutrient agar; preparing raw materials by 6-7 parts of water, and crushing prepared mushroom residues and straw to 0.5-1.0 cm long;
(2) mixing and proportioning: taking prepared mushroom residues, straws, degradable papermaking fibers, nutrient agar and water, and fully homogenizing;
(3) manufacturing a mold: manufacturing a mould according to the size of a current mechanical rice transplanting seedling tray, and manufacturing a protruding round hole on the mould to press a hole capable of accommodating rice seeds on a raw material;
(4) molding by a gram die: uniformly putting the mixture obtained in the step (2) into a mould, and pressing and forming;
(5) drying: drying in an oven, cooling and taking out to obtain the seedling tray.
The invention is further limited by comprising 0.4 to 0.6 portion of xanthan gum, 0.4 to 0.6 portion of agricultural sulfur, 0.4 to 0.6 portion of ammonium sulfate, 0.2 to 0.4 portion of calcium superphosphate and 0.1 to 0.3 portion of potassium chloride.
As a further limitation of the invention, 12 parts of mushroom dregs; 6 parts of straw; 1 part of degradable papermaking fiber; 1 part of nutrient agar; 0.5 part of xanthan gum; 0.5 part of agricultural sulfur; 0.5 part of ammonium sulfate; 0.3 part of calcium superphosphate; 0.2 part of potassium chloride; 6.7 parts of water.
As a further limitation of the invention, the lengths of the mushroom residues and the straws are 0.5-1.0 cm.
As a further limitation of the present invention, the die in step 3 has a length of 58 ± 2cm and a width of 28 ± 2cm, and the circular holes have a diameter of 0.7cm, are arranged in 18 × 38 rows, and have a circular hole pitch of 0.8 cm.
As a further limitation of the invention, the temperature of the oven in step 5 is 105 + -5 deg.C, and the drying time is 3 hours.
The functional efficacy of each component in the invention is as follows:
mushroom dregs: the seedling tray is mainly made of raw materials and provides a substrate and an organic fertilizer source for seedling growth;
straw: the seedling tray is mainly made of raw materials, mushroom residues are effectively fixed, and the seedling tray is favorably molded;
degradable papermaking fibers: bonding straw and mushroom dregs;
xanthan gum: the seedling tray is assisted to be formed, so that the seedling tray is convenient to compact and is prevented from loosening in the later use process;
nutrient agar: is beneficial to the growth of the seedling root system;
agricultural sulfur: adjusting the pH value of the seedling tray to a range suitable for rice growth;
ammonium sulfate: the quick-acting nitrogen nutrient is added, which is beneficial to the growth of the seedlings;
calcium superphosphate: the quick-acting phosphorus nutrient is added, which is beneficial to the growth of the seedlings;
potassium chloride: the quick-acting potassium nutrient is added, which is beneficial to the growth of the seedlings.
Compared with the prior art, the invention has the beneficial effects that: (1) the invention discloses a seedling raising method without using a plastic seedling tray, which effectively reduces the seedling raising cost, changes agricultural wastes into valuables, recycles the wastes and protects the environment; (2) the invention integrally treats the seedling raising trays, the matrix, the nutrients and other substances, is beneficial to cultivating strong seedlings, saves labor force, saves 1 yuan for each tray of seedling raising cost, and provides technical support and guarantee for large-area rice production.
Drawings
FIG. 1 is a schematic view of the structure of a seedling tray made according to the present invention.
FIG. 2 is a schematic view of a mold according to the present invention.
FIG. 3 is a front view of the mold of the present invention.
FIG. 4 is a front view of the seedling tray made by the present invention.
FIG. 5 is a practical diagram of the use state of the seedling tray made by the present invention.
Fig. 6 is a comparison diagram of seedlings raised by the seedling tray and seedlings raised by the existing nutrient soil of the embodiment.
Fig. 7 is a schematic diagram showing the comparison between seedlings raised by the seedling tray of this embodiment and seedlings raised by the existing commercial substrate.
Wherein, 1 seedling tray and 2 round holes.
Detailed Description
The present invention is further illustrated by the following specific examples.
Example 1
As shown in figures 1-5, the substrate type seedling tray for cultivating strong seedlings of machine-transplanted rice comprises the following raw materials in parts by weight: 330 g of mushroom residues; 150 g of straws; 15g of degradable papermaking fibers; 15g of nutrient agar; xanthan gum 12g, agricultural sulfur 12g, ammonium sulfate 12g, calcium superphosphate 6g and potassium chloride 3 g; 180g of water;
the lengths of the mushroom residues and the straws are 0.5-1.0 cm.
A preparation method of a matrix type seedling tray for cultivating strong seedlings of machine-transplanted rice comprises the following steps:
(1) preparing raw materials: according to 330 g of mushroom residues; 150 g of straws; 15g of degradable papermaking fibers; 15g of nutrient agar; xanthan gum 12g, agricultural sulfur 12g, ammonium sulfate 12g, calcium superphosphate 6g and potassium chloride 3 g; preparing raw materials by using 180g of water in parts by weight, and crushing prepared mushroom residues and straw to 0.5-1.0 cm long;
(2) mixing and proportioning: taking prepared mushroom residues, straws, degradable papermaking fibers, nutrient agar and water, and fully homogenizing;
(3) manufacturing a mold: manufacturing a mould according to the size of a current mechanical rice transplanting tray, wherein the length of the mould is 58cm, the width of the mould is 28cm, protruding round holes are manufactured on the mould, the diameter of each round hole is 0.7cm, the round holes are arranged according to 18 x 38, and the distance between the round holes is 0.8cm, so that holes capable of containing rice seeds are pressed on raw materials;
(4) molding by a gram die: uniformly putting the mixture obtained in the step (2) into a mould, and pressing and forming;
(5) drying: drying in an oven at 105 + -5 deg.C for 3 hr, cooling, and taking out to obtain seedling tray.
Example 2
As shown in figures 1-5, the substrate type seedling tray for cultivating strong seedlings of machine-transplanted rice comprises the following raw materials in parts by weight: 360g of mushroom residues; 180g of straws; 30g of degradable papermaking fibers; 30g of nutrient agar; 15g of xanthan gum, 15g of agricultural sulfur, 15g of ammonium sulfate, 9g of calcium superphosphate and 6g of potassium chloride; 200g of water;
the lengths of the mushroom residues and the straws are 0.5-1.0 cm.
A preparation method of a matrix type seedling tray for cultivating strong seedlings of machine-transplanted rice comprises the following steps:
(1) preparing raw materials: 360g of mushroom residues; 180g of straws; 30g of degradable papermaking fibers; 30g of nutrient agar; 15g of xanthan gum, 15g of agricultural sulfur, 15g of ammonium sulfate, 9g of calcium superphosphate and 6g of potassium chloride; 200g of water, preparing raw materials in a weight ratio, and crushing the prepared mushroom residues and straw to 0.5-1.0 cm long;
(2) mixing and proportioning: taking prepared mushroom residues, straws, degradable papermaking fibers, nutrient agar and water, and fully homogenizing;
(3) manufacturing a mold: manufacturing a mould according to the size of a current mechanical rice transplanting tray, wherein the length of the mould is 58cm, the width of the mould is 28cm, protruding round holes are manufactured on the mould, the diameter of each round hole is 0.7cm, the round holes are arranged according to 18 x 38, and the distance between the round holes is 0.8cm, so that holes capable of containing rice seeds are pressed on raw materials;
(4) molding by a gram die: uniformly putting the mixture obtained in the step (2) into a mould, and pressing and forming;
(5) drying: drying in an oven at 105 + -5 deg.C for 3 hr, cooling, and taking out to obtain seedling tray.
Example 3
As shown in figures 1-5, the substrate type seedling tray for cultivating strong seedlings of machine-transplanted rice comprises the following raw materials in parts by weight: 390g of mushroom residues; 210g of straws; 45g of degradable papermaking fibers; 45g of nutrient agar; xanthan gum 18g, agricultural sulfur 18g, ammonium sulfate 18g, calcium superphosphate 12g and potassium chloride 9 g; 210g of water;
the lengths of the mushroom residues and the straws are 0.5-1.0 cm.
A preparation method of a matrix type seedling tray for cultivating strong seedlings of machine-transplanted rice comprises the following steps:
(1) preparing raw materials: 390g of mushroom residues; 210g of straws; 45g of degradable papermaking fibers; 45g of nutrient agar; xanthan gum 18g, agricultural sulfur 18g, ammonium sulfate 18g, calcium superphosphate 12g and potassium chloride 9 g; preparing raw materials by using 210g of water in parts by weight, and crushing prepared mushroom residues and straw to 0.5-1.0 cm long;
(2) mixing and proportioning: taking prepared mushroom residues, straws, degradable papermaking fibers, nutrient agar and water, and fully homogenizing;
(3) manufacturing a mold: manufacturing a mould according to the size of a current mechanical rice transplanting tray, wherein the length of the mould is 58cm, the width of the mould is 28cm, protruding round holes are manufactured on the mould, the diameter of each round hole is 0.7cm, the round holes are arranged according to 18 x 38, and the distance between the round holes is 0.8cm, so that holes capable of containing rice seeds are pressed on raw materials;
(4) molding by a gram die: uniformly putting the mixture obtained in the step (2) into a mould, and pressing and forming;
(5) drying: drying in an oven at 105 + -5 deg.C for 3 hr, cooling, and taking out to obtain seedling tray.
Comparative example 1:
the substrate trays prepared in comparative example 2 were used for seedling raising in conventional paddy field plough layer soil, seeding was carried out in 2019 in 5 months and 26 days, seeds were dried and dropped, and seeding was carried out for 6 trays each time, and the seeding was repeated for 3 times. Sampling and determination are carried out at 6 months and 16 days. And (3) taking 40 seedlings for each treatment, examining the quality of the seedlings, mainly measuring the emergence rate, the plant height, the leaf age, the stem base width, the single plant leaf area, the SPAD value of the inverted 2-leaf leaves, the number of roots, the total root length and the root volume, and measuring the dry weights of the overground part and the underground part of the hundred seedlings after drying.
It can be seen from table 1 that the seedling emergence rate of the seedlings cultured in the matrix tray is not different from that of the seedlings cultured in the nutrient soil, but the indexes of the seedlings, such as plant height, leaf age, stem base width, single-plant leaf area, SPAD value, overground part hundred-seedling dry weight and the like, are obviously higher than those of the seedlings cultured in the nutrient soil. The quality of the overground part of the seedling cultured by the substrate disk is higher than that of the seedling cultured by the nutrient soil.
TABLE 1 quality of seedling above ground (seedling age 20 d)
It can be seen from table 2 that the number, length, volume, weight, seedling strengthening index and packing strength of the seedlings cultured by the matrix disc are all higher than those of the seedlings cultured by the nutrient soil, but the root-crown ratio of the seedlings is slightly smaller than that of the seedlings treated by the nutrient soil because the dry weight of the overground parts of the seedlings is increased.
TABLE 2 lower part of the seedling quality (seedling age 20 d)
As shown in figure 6, the seedlings raised by the matrix plate are obviously superior to the seedlings raised by the nutrient soil, and in the early stage of the mechanical rice seedling transplanting application, the mechanical seedling transplanting and raising are mainly carried out by preparing the nutrient soil by sieving fine soil, and along with the rapid expansion of the mechanical seedling transplanting and raising area, the centralized seedling raising is increasingly carried out by adopting intensive, industrial and other measures, and the difficulty in soil taking becomes the bottleneck problem of mechanical seedling transplanting and raising. On the whole, the quality of the seedlings raised by the matrix tray produced by the method is higher than that of the paddy field plough layer soil, and meanwhile, the method saves labor and cost, improves the working efficiency and preliminarily solves the need of mechanical seedling raising.
Comparative example 2
The commercial substrate used in large scale in production and the substrate manufactured according to the method are used for raising seedlings in a tray, and the seedlings are transplanted to a field to examine the rice yield. The common matrix seedling raising adopts a plastic soft disk specification of 58cm multiplied by 28cm for mechanical seedling transplanting, and the seeding quantity of each disk is 120 g of dry rice seeds. The field machine transplanting specification is 30 cm multiplied by 12 cm, the operation is repeated for 3 times, and the random block arrangement is carried out. As can be seen from Table 3, the contents of available NPK nutrients in the substrate tray are all higher than those in the commercial substrate, so that the seedling effect is better.
TABLE 3 quick-acting nutrient content of commercial substrates and substrate trays
The seedlings are harvested half-time, and the contribution of the improvement of the quality of the seedlings to the yield is obvious. From the analysis of yield composition factors, the effective number of ears and the total number of grains per ear in the later period of the seedlings on the matrix disc are remarkably high, and the difference between the seed setting rate and the thousand-grain weight is not obvious. Therefore, the quality of the seedlings is improved, the seedling recovery period of the mechanically transplanted seedlings can be slowed down, the tillering capability is improved, the spike number is improved, and the yield is further improved.
TABLE 4 Effect of different treatments on yield
As shown in figure 7, the seedlings bred by the substrate disc are obviously superior to the seedlings bred by the commercial substrate, the substrate disc produced by the method not only has low price and easy obtainment of materials, but also changes waste into valuable, recycles data and benefits the society. Meanwhile, the problems that the water and fertilizer retention capability of the current commodity substrate is poor, frequent watering is needed, fertilizer loss is caused, seedlings are easy to lose fertilizer and fall yellow, the growth is slow, and the quality of the seedlings is poor are effectively solved.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (1)
1. A substrate type seedling tray for cultivating strong seedlings of machine-transplanted rice is characterized by comprising the following raw materials in parts by weight:
12 parts of mushroom residues; 6 parts of straw; 1 part of degradable papermaking fiber; 1 part of nutrient agar; 0.5 part of xanthan gum; 0.5 part of agricultural sulfur; 0.5 part of ammonium sulfate; 0.3 part of calcium superphosphate; 0.2 part of potassium chloride; 6.7 parts of water, wherein the lengths of the mushroom residues and the straws are 0.5-1.0 cm; the preparation method of the substrate type seedling tray comprises the following steps:
(1) preparing raw materials: according to 12 parts of mushroom residues; 6 parts of straw; 1 part of degradable papermaking fiber; 1 part of nutrient agar; 0.5 part of xanthan gum; 0.5 part of agricultural sulfur; 0.5 part of ammonium sulfate; 0.3 part of calcium superphosphate; 0.2 part of potassium chloride; 6.7 parts of water, namely preparing raw materials in parts by weight, and crushing the prepared mushroom residues and straw to 0.5-1.0 cm long;
(2) mixing and proportioning: taking prepared mushroom residues, straws, degradable papermaking fibers, nutrient agar and water, and fully homogenizing;
(3) manufacturing a mold: manufacturing a mould according to the size of a current mechanical rice transplanting seedling tray, manufacturing protruding round holes on the mould, pressing holes capable of containing rice seeds on raw materials, wherein the length of the mould is 58cm, the width of the mould is 28cm, the diameter of the round holes is 0.7cm, the round holes are arranged according to 18 x 38, and the distance between the round holes is 0.8 cm;
(4) molding by a gram die: uniformly putting the mixture obtained in the step (2) into a mould, and pressing and forming;
(5) drying: drying in an oven, cooling, and taking out to obtain the seedling tray, wherein the temperature of the oven is 105 +/-5 ℃, and the drying time is 3 hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010127581.0A CN111034500B (en) | 2020-02-28 | 2020-02-28 | Matrix type seedling tray for cultivating strong seedlings of machine-transplanted rice and manufacturing method thereof |
| PCT/CN2021/074335 WO2021169728A1 (en) | 2020-02-28 | 2021-01-29 | Substrate type seedling tray for cultivating strong rice seedlings for machine-transplanting and fabrication method therefor |
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| CN202010127581.0A CN111034500B (en) | 2020-02-28 | 2020-02-28 | Matrix type seedling tray for cultivating strong seedlings of machine-transplanted rice and manufacturing method thereof |
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| CN111034500B (en) * | 2020-02-28 | 2021-11-30 | 扬州大学 | Matrix type seedling tray for cultivating strong seedlings of machine-transplanted rice and manufacturing method thereof |
| CN111937634A (en) * | 2020-07-17 | 2020-11-17 | 江苏里下河地区农业科学研究所 | Preparation method of seedling raising tray with edible fungus residues as seedling raising matrix |
| CN114631443A (en) * | 2020-12-16 | 2022-06-17 | 深圳市南理工技术转移中心有限公司 | Biomass nutrition basin and using method and preparation method thereof |
| CN114402952B (en) * | 2022-01-24 | 2023-05-23 | 四川省农业科学院作物研究所 | Light machine-transplanted rice seedling raising matrix rich in biocontrol bacteria and preparation method thereof |
| CN114600732A (en) * | 2022-03-11 | 2022-06-10 | 广东省农业科学院农业资源与环境研究所 | Iron-modified biochar rice seedling raising matrix, matrix plate and preparation method |
| CN114938772B (en) * | 2022-06-22 | 2023-05-12 | 江苏徐淮地区淮阴农业科学研究所 | Safe and environment-friendly machine-transplanted rice floating seedling raising method |
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| JP2003070364A (en) * | 2001-09-05 | 2003-03-11 | Hideo Yamamoto | Raising seedling pot and method for making the same |
| ITMI20050105A1 (en) * | 2005-01-26 | 2006-07-27 | Sadepan Chimica S R L | SEMINIERA AND PROCEDURE FOR ITS MANUFACTURE |
| WO2014063266A1 (en) * | 2012-10-23 | 2014-05-01 | 黑龙江八一农垦大学 | Seedling-raising tray made from straw for seedling-raising of rice, and preparation method thereof |
| CN104160813B (en) * | 2014-08-14 | 2017-01-11 | 中国水稻研究所 | Rice machine transplanting paper degradable seedling tray and manufacturing method thereof |
| CN106489694A (en) * | 2016-10-28 | 2017-03-15 | 黑龙江稻乐农业科技有限公司 | A kind of Oryza sativa L. soilless breeding seeding Auricularia bacteria residue matrix substrate and preparation method |
| CN107821101A (en) * | 2017-12-15 | 2018-03-23 | 四川农业大学 | Special seedling raising ground substance of the seedlings machine transplanting of rice and its preparation method and application in a kind of indica Hybrid Rice |
| CN208317761U (en) * | 2018-06-12 | 2019-01-04 | 黑龙江稻乐农业科技有限公司 | A kind of rice soilless breeding seeding matrix substrate that can cover seed |
| CN109566348B (en) * | 2018-12-28 | 2021-10-12 | 哈尔滨东宇农业工程机械有限公司 | Automatic seed covering and seedling raising matrix disc for rice as well as preparation method and application of automatic seed covering and seedling raising matrix disc |
| CN209983175U (en) * | 2019-04-12 | 2020-01-24 | 江苏省农业科学院 | Straw degradable substrate disc for rice dry seedling raising |
| CN110692489B (en) * | 2019-10-15 | 2021-05-28 | 江苏省农业科学院 | Preparation method and application of full-nutrition degradable straw seedling raising matrix block |
| CN111034500B (en) * | 2020-02-28 | 2021-11-30 | 扬州大学 | Matrix type seedling tray for cultivating strong seedlings of machine-transplanted rice and manufacturing method thereof |
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| CN111034500A (en) | 2020-04-21 |
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