WO2020087986A1 - 育苗块 - Google Patents

育苗块 Download PDF

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Publication number
WO2020087986A1
WO2020087986A1 PCT/CN2019/096134 CN2019096134W WO2020087986A1 WO 2020087986 A1 WO2020087986 A1 WO 2020087986A1 CN 2019096134 W CN2019096134 W CN 2019096134W WO 2020087986 A1 WO2020087986 A1 WO 2020087986A1
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WO
WIPO (PCT)
Prior art keywords
seed
pit
block
seeds
seedling
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PCT/CN2019/096134
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English (en)
French (fr)
Inventor
李绍华
龚化勤
陈营
Original Assignee
福建省中科生物股份有限公司
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Application filed by 福建省中科生物股份有限公司 filed Critical 福建省中科生物股份有限公司
Priority to JP2021500707A priority Critical patent/JP7125537B2/ja
Priority to EP19878885.3A priority patent/EP3811774B1/en
Priority to KR1020217009183A priority patent/KR20210072763A/ko
Priority to US17/258,122 priority patent/US20210274728A1/en
Publication of WO2020087986A1 publication Critical patent/WO2020087986A1/zh

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/40Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure
    • A01G24/44Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00Soilless cultivation, e.g. hydroponics
    • A01G31/02Special apparatus therefor
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/30Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
    • A01G24/35Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds containing water-absorbing polymers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Definitions

  • the invention relates to soilless cultivation technology, in particular to a seedling raising block.
  • the technical problem to be solved by the present invention is to provide a seedling raising block, which can improve the sowing efficiency, stabilize the moist seeds, improve the overall germination rate and uniformity of the germination, and facilitate the mechanical sowing.
  • the present invention provides a nursery block, which includes a nutrient block that provides nutrients to the seeds, a seed placement pit is provided at the top of the nutrient block, a seed cultivation pit is provided within the seed placement pit, and the seed placement pit is set up and down
  • the small structure allows the seeds to fall into the seed cultivation pit along the surface of the seed dropping pit under the action of gravity.
  • the seed cultivation pit is provided with a cutout extending in a direction away from the seed cultivation pit and providing a growth path for the root system germinated by the seed.
  • the incision is radial.
  • the radial shape is a cross shape.
  • the seed dropping pit is spherical.
  • the bottom of the seed cultivation pit is spherical.
  • the nutrition block is made of water-absorbing material.
  • the nutrition block is made of elastic material.
  • the nutrient block has a rectangular parallelepiped shape or a cylindrical shape.
  • the seed cultivation pit is located in the center of the seed placement pit.
  • the incision penetrates down to the bottom of the nutrition block.
  • the nursery block of the present invention has the following beneficial effects:
  • the top of the nutrient block is provided with a seed dropping pit, which can prevent the seeds from rolling randomly after sowing and falling from the nutrient block, and the seed dropping pit It is set to a large structure and a small structure, so that the seeds fall into the seed cultivation pit along the surface of the seed dropping pit under the action of gravity, so that the staff does not need to manually press the seeds into the nutrient block, which reduces the process and improves the seeding efficiency.
  • the seeding machine performs sowing; the size of the seed cultivation pit is adapted to the size of the seed to achieve the effect of stabilizing and moistening the seeds.
  • the embedding depth of all seeds can be controlled and improved uniformly The overall seed germination rate and germination uniformity, thereby improving the mechanization and standardization of seed sowing.
  • FIG. 1 shows a schematic diagram of the nursery block of the present invention
  • Figure 2 shows a top view of the nursery block of the present invention
  • Figure 3 shows a cross-sectional view of the nursery block of the present invention
  • Figure 4 shows a schematic diagram of sowing machinery
  • FIG. 5 shows the elegant growth of different seedling blocks
  • the present invention provides a nursery block, which includes a nutrient block 1 that provides nutrients to seeds.
  • a seed dropping pit 2 is opened on the top of the nutrient block 1, and seeds are opened in the seed dropping pit 2 Cultivation pit 3, the seed placement pit 2 is set to a large structure and a small structure, so that the seeds fall into the seed cultivation pit 3 along the surface of the seed placement pit 2 under the action of gravity.
  • the cut 3 extends in the direction of 3 and provides a growth path to the root system germinated by the seed.
  • a seed dropping pit 2 is provided on the top of the nutrient block 1, which can prevent the seeds from rolling down and falling off the nutrient block 1 after sowing, and the seed dropping pit 2 is arranged in a large and small structure so that the seeds Under the action of gravity, it falls into the seed cultivation pit 3 along the surface of the seed dropping pit 2, so that no staff need to manually press the seeds into the nutrient block 1, which reduces the process and improves the efficiency of sowing. It is especially suitable for sowing by seeding machinery; seed cultivation The size of the pit 3 is adapted to the size of the seeds to achieve the effect of stabilizing and moistening the seeds. In addition, because the seed cultivation pit 3 is pre-designed, the embedding depth of all seeds can be controlled uniformly and the overall germination rate of the seeds is improved And the degree of sprouting uniformity, thereby improving the mechanization and standardization of seed sowing.
  • the seeding machine is used to place the seeds one by one into the seed placement pit 2 of the corresponding seedling block, and the seeds can be automatically rolled into the seed cultivation pit 3 under the action of gravity.
  • the seed placement pit 2 is much larger than the seed cultivation pit 3, the precision of seed placement to the seeding machine is greatly reduced.
  • only one seeding action of the seeding machine is needed, and the seed Automatically rolling into the seed cultivation pit 3 is beneficial to improve the efficiency of mechanized sowing of large numbers of seedling blocks.
  • the germination rate of seeds is high, and the regularity of germination of seeds is also relatively high.
  • FIG. 4 is a schematic diagram of sowing by a sowing machine (viewed from above).
  • the sowing machine 5 has a sowing arm 6 for seeding the seedling block, and the sowing arm 6 can simultaneously seed the at least one seedling block.
  • the seeding arm 6 of the seeding machine 5 is provided with six seed feeding ends, and the six seed feeding ends correspond one-to-one to the six seedling blocks in the same row, that is, the seeding arm 6 can simultaneously seed the six seedling blocks.
  • the seed placement pit 2 is much larger than the seed cultivation pit 3, the accuracy requirement of the placement position of the seeding arm 6 is relatively small, so that the seeding machine 5 can quickly place six seeds into the seed placement pit 2 corresponding to the seedling block at the same time Then, the seed that was put in automatically rolled into the seed cultivation pit 3 corresponding to the seedling block.
  • the sowing machine 5 adjusts the sowing arm 6 above the other row of seedling blocks for seeding, and so on. Therefore, the seedling raising block of the present invention is beneficial to improve the efficiency of mechanized sowing of mass breeding seedling blocks.
  • the seed dropping pit 2 has a large structure and a small structure.
  • the seed dropping pit 2 may be in the shape of an inverted cone, an inverted pyramid, or a spherical shape. Since most seeds are spherical, in order to ensure the moisture or nutrition of the seeds, the bottom of the above-mentioned seed cultivation pit 3 may be spherical, inverted cone, inverted pyramid and cylindrical shape, or flat, or other shapes suitable for the size of the seed .
  • a hemispherical shape (the diameter of the pit surface is 1-1.5cm and the depth is 0.3-1cm) is dug out on the top of the nutrient block 1 with a size of 2cm ⁇ 2cm ⁇ 2cm Pit 2, and then dig out a cylindrical seed cultivation pit 3 (the diameter of the pit surface is 0.4-0.8cm and the depth is 0.4-1cm) in the seed placement pit 2.
  • the seeds can automatically roll into the seed cultivating pit 3 under the effect of their own gravity, the seeds can be firmly placed in the seed cultivating pit 3, and the seeds
  • the cultivation pit 3 is slightly larger than the seeds, and the seeds easily maintain proper humidity in the seed cultivation pit 3.
  • an inverted cone-shaped seed dropping hole 2 is dug on the top of the nutrient block 1, and then a semi-spherical seed is dug in the seed dropping hole 2 to cultivate Pit 3.
  • the workers puts the seeds into the seed dropping pit 2 manually or using a sowing machine the seeds can also automatically roll into the seed cultivating pit 3 under the effect of their own gravity, and the seeds can also be placed firmly in the seed cultivating pit 3.
  • the above-mentioned incision 4 is radial. Further, in order to facilitate processing, the cutout 4 may have a straight shape or a cross shape. The above-mentioned notch 4 may also penetrate downward to the bottom of the nutrient block 1 or may extend laterally into the seed dropping pit 2.
  • the above-mentioned nutrient block 1 is made of a water-absorbing material (such as sponge).
  • the nutrient blocks 1 In order to facilitate the storage, arrangement and arrangement of the above-mentioned nutrient blocks 1, the nutrient blocks 1 have a rectangular parallelepiped shape (for example, a cubic shape) or a cylindrical shape.
  • the center axes of the seed placement pit 2, the seed cultivation pit 3, and the cut 4 coincide.
  • the seedling raising block of the present invention can improve the sowing efficiency, stabilize the moist seeds, improve the overall germination rate and uniformity of germination, and facilitate mechanized sowing. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.
  • Test Use the sponge to prepare the nursery blocks of the present invention.
  • the first type the diameter of the seed cultivation pit is 4mm.
  • the second type the diameter of the seed cultivation pit is 6mm.
  • the third type the diameter of the seed cultivation pit 8mm.
  • the same sponge is used to prepare a nursery block, which is different from the nursery block of the present invention in that there is no seed cultivation pit.
  • the experiment is divided into 4 experimental groups. The planting of elegant lettuce seeds is shown in Table 1:
  • the seedling block of 8mm seed cultivation pit diameter has better water absorption and water retention, and the seeds fall into the pit to ensure that the seeds can easily absorb water; on the other hand, the diameter of the pit is larger, the seeds will not germinate in the wrong direction The seedling growth caused by water shortage is poor.
  • the seedling block with seed cultivation pit prepared by the present invention compared to the seedling block with no seed cultivation pit, when the seedling block with seed cultivation pit prepared by the present invention is used, the germination rate of elegant seeds is high, and the seedling size is relatively uniform and the fresh weight is large.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Sowing (AREA)
  • Hydroponics (AREA)

Abstract

一种育苗块,包括向种子提供营养的营养块(1),营养块(1)的顶部开设有种子投放坑(2),种子投放坑(2)内开设有种子培育坑(3),种子投放坑(2)设置成上大下小结构,使种子在重力作用下顺着种子投放坑的表面落入种子培育坑(3)内,种子培育坑(3)内开设有朝远离种子培育坑的方向延伸、且向种子萌发出的根系提供生长通路的切口(4)。该育苗块能够提高播种效率、稳固湿润种子、提高种子整体的出芽率和出芽整齐度、便于机械化播种。

Description

育苗块 技术领域
本发明涉及无土栽培技术,特别是涉及一种育苗块。
背景技术
在水培蔬菜的播种阶段,人们采用海绵块来作为种子的播种载体,播种后将种子手动压入海绵块内,使种子和海绵块充分接触。由于海绵块有一定吸水性,可保持种子及幼苗根部的湿度。然而,目前播种使用的海绵块的顶部平整,种子在播种后容易滚动散落,并且需要工作人员手动将种子压入海绵块内,播种效率低,不易于机械化操作。
发明内容
鉴于以上所述现有技术的缺点,本发明要解决的技术问题在于提供一种育苗块,能够提高播种效率,稳固湿润种子,提高种子整体的出芽率和出芽整齐度,便于机械化播种。
为了解决上述技术问题,本发明提供一种育苗块,包括向种子提供营养的营养块,营养块的顶部开设有种子投放坑,种子投放坑内开设有种子培育坑,种子投放坑设置成上大下小结构,使种子在重力作用下顺着种子投放坑的表面落入种子培育坑内,种子培育坑内开设有朝远离种子培育坑的方向延伸、且向种子萌发出的根系提供生长通路的切口。
优选地,所述切口呈辐射状。
优选地,所述辐射状为十字型。
优选地,所述种子投放坑呈球面状。
优选地,所述种子培育坑底部呈球面状。
优选地,所述营养块由吸水性材料制成。
优选地,所述营养块由弹性材料制成。
优选地,所述营养块呈长方体状或圆柱状。
优选地,所述种子培育坑位于种子投放坑的中心。
优选地,所述切口向下贯通至营养块的底部。
如上所述,本发明的育苗块,具有以下有益效果:在本发明中,营养块的顶部开设有种子投放坑,能够避免种子在播种后任意滚动而从营养块上掉落,并且种子投放坑设置成上大下小结构,使种子在重力作用下顺着种子投放坑的表面落入种子培育坑内,这样无需工作人员将种子手动压入营养块内,减少工序,提高播种效率,尤其适合采用播种机械进行播种; 种子培育坑的大小与种子的大小相适配,以达到稳固、湿润种子的作用,此外,由于种子培育坑是预先设计的,这样所有种子的埋入深度能够统一控制,提高种子整体的出芽率和出芽整齐度,从而提高种子播种的机械化和标准化。
附图说明
图1显示为本发明的育苗块的示意图;
图2显示为本发明的育苗块的俯视图;
图3显示为本发明的育苗块的剖视图;
图4显示为播种机械的播种示意图;
图5显示为不同育苗块下优雅生长情况;
元件标号说明
1  营养块
2  种子投放坑
3  种子培育坑
4  切口
5  播种机械
6  播种臂
具体实施方式
以下由特定的具体实施例说明本发明的实施方式,熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本发明的其他优点及功效。
须知,本说明书所附图中所绘示的结构、比例、大小等,均仅用以配合说明书所揭示的内容,以供熟悉此技术的人士了解与阅读,并非用以限定本发明可实施的限定条件,故不具技术上的实质意义,任何结构的修饰、比例关系的改变或大小的调整,在不影响本发明所能产生的功效及所能达成的目的下,均应仍落在本发明所揭示的技术内容所能涵盖的范围内。同时,本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”及“一”等的用语,亦仅为便于叙述的明了,而非用以限定本发明可实施的范围,其相对关系的改变或调整,在无实质变更技术内容下,当亦视为本发明可实施的范畴。
如图1、图2以及图3所示,本发明提供一种育苗块,包括向种子提供营养的营养块1,营养块1的顶部开设有种子投放坑2,种子投放坑2内开设有种子培育坑3,种子投放坑2设 置成上大下小结构,使种子在重力作用下顺着种子投放坑2的表面落入种子培育坑3内,种子培育坑3内开设有朝远离种子培育坑3的方向延伸、且向种子萌发出的根系提供生长通路的切口4。
在本发明中,营养块1的顶部开设有种子投放坑2,能够避免种子在播种后任意滚动而从营养块1上掉落,并且种子投放坑2设置成上大下小结构,使种子在重力作用下顺着种子投放坑2的表面落入种子培育坑3内,这样无需工作人员将种子手动压入营养块1内,减少工序,提高播种效率,尤其适合采用播种机械进行播种;种子培育坑3的大小与种子的大小相适配,以达到稳固、湿润种子的作用,此外,由于种子培育坑3是预先设计的,这样所有种子的埋入深度能够统一控制,提高种子整体的出芽率和出芽整齐度,从而提高种子播种的机械化和标准化。
作为本发明的育苗块的一具体使用方法:
S1,将多个育苗块按照一定顺序排列;
S2,采用播种机械将种子一一投放至对应育苗块的种子投放坑2内,种子便于在重力的作用下自动滚入种子培育坑3内。
在上述具体使用方法中,由于种子投放坑2比种子培育坑3大得多,这样对播种机械投放种子的精准度大大降低,与此同时,只需要播种机械的一个投放种子的动作,种子就自动滚入种子培育坑3内,有利于提高大批量育苗块机械化播种的效率。此外,经过培育,种子的出芽率高,种子的出芽整齐度也比较高。
具体的,图4为一播种机械的播种示意图(俯视视角),图4中有呈6×6阵列排布的育苗块,X轴向为育苗块的行方向,Y轴向为育苗块的列方向。播种机械5具有向育苗块投放种子的播种臂6,播种臂6可同时向至少一个育苗块投放种子。例如,播种机械5的播种臂6上设有六个种子投放端,六个种子投放端与位于同一行的六个育苗块一一对应,即播种臂6可同时向六个育苗块投放种子。由于种子投放坑2比种子培育坑3大得多,对播种臂6投放位置的精度要求较小,这样,播种机械5能够同时快速地将六颗种子投放至对应育苗块的种子投放坑2内,紧接着,被投放的种子自动滚入对应育苗块的种子培育坑3内。当播种臂6完成一行育苗块的投放种子任务之后,播种机械5将播种臂6调整至另一行育苗块的上方进行投放种子的动作,如此循环。因此,本发明的育苗块有利于提高大批量育苗块机械化播种的效率。
上述种子投放坑2呈上大下小结构,具体的,种子投放坑2可以呈倒圆锥面状,可以呈倒棱锥面状,也可以呈球面状。由于大多数种子呈球状,为了保证种子的湿度或营养,上述 种子培育坑3底部可呈球面状、倒圆锥、倒棱锥及圆柱形状,或平面,也可以呈其他与种子尺寸相适配的形状。
作为本发明的育苗块的一具体实施例:在2cm×2cm×2cm大小的营养块1的顶部挖出一个呈半球面状(坑面直径为1-1.5cm,深度0.3-1cm)的种子投放坑2,再在种子投放坑2内挖出一个呈圆柱形(坑面直径为0.4-0.8cm,深度0.4-1cm)的种子培育坑3。当工作人员手动或采用播种机械将种子投放至种子投放坑2内时,种子能够在自身重力的作用下自动滚入种子培育坑3内,种子能够稳固地放置在种子培育坑3内,并且种子培育坑3稍大于种子,种子在种子培育坑3内容易保持适宜的湿度。
作为本发明的育苗块的另一具体实施例:在营养块1的顶部挖出一个呈倒圆锥面状的种子投放坑2,再在种子投放坑2内挖出一个呈半球面状的种子培育坑3。当工作人员手动或采用播种机械将种子投放至种子投放坑2内时,种子也能在自身重力的作用下自动滚入种子培育坑3内,种子也能稳固地放置在种子培育坑3内。
由于种子萌发出的根系向四面八方生长的,为了向种子萌发出的根系提供更充裕的生长通路,上述切口4呈辐射状。进一步的,为了便于加工,切口4可以呈一字型或十字型。上述切口4也可以向下贯通至营养块1的底部,也可以横向延伸至种子投放坑2内。
为了实现向种子提供营养(例如水或者其他含有肥料的营养液)的目的,上述营养块1由吸水性材料(例如海绵)制成。
为了便于摆放储存、排列布置上述营养块1,营养块1呈长方体状(例如立方体状)或圆柱体状。
为了便于制造,上述种子投放坑2、种子培育坑3以及切口4的中心轴重合。
综上所述,本发明的育苗块能够提高播种效率,稳固湿润种子,提高种子整体的出芽率和出芽整齐度,便于机械化播种。所以,本发明有效克服了现有技术中的种种缺点而具高度产业利用价值。
试验:采用海绵制备本发明的育苗块,育苗块分三种,第一种:种子培育坑的直径为4mm,第二种:种子培育坑的直径为6mm;第三种:种子培育坑的直径为8mm。另外,采用相同海绵制备一种育苗块,该育苗块与本发明的育苗块的区别在于没有种子培育坑。测定上述不同育苗块对种子发芽及苗期生长的影响,试验分为4个实验组,对优雅生菜种子的种植情况具体如表1所示:
表1不同海绵对种子发芽及苗期生长的影响
Figure PCTCN2019096134-appb-000001
Figure PCTCN2019096134-appb-000002
从表2可以看出,使用种子培育坑直径4mm、6mm和8mm的育苗块时,优雅的发芽率都在90%以上,且苗长势较好。而使用无种子培育坑的育苗块时优雅的发芽率仅为59%。
从苗盘上优雅的鲜重大小分类来看(图5所示),使用4mm种子培育坑直径的育苗块时,优雅幼苗0.3g以上的占31%,使用6mm种子培育坑直径的育苗块时,0.3g以上幼苗占61%,而使用8mm种子培育坑直径的育苗块时,苗的重量在0.3以上的苗占79%。可以看出,8mm种子培育坑直径的育苗块更有利于优雅种子苗期生长。一方面,8mm种子培育坑直径的育苗块吸水性及保水性较好,种子落入坑中,能保证种子容易吸收水分;另一方面,坑直径较大,种子发芽不会出现芽的方向不对,缺水造成的苗长势较差。
综上,相对于无种子培育坑的育苗块,使用本发明制备的带有种子培育坑的育苗块时,优雅种子发芽率较高,且苗大小比较均一,鲜重较大。
上述实施例仅例示性说明本发明的原理及其功效,而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下,对上述实施例进行修饰或改变。因此,举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变,仍应由本发明的权利要求所涵盖。

Claims (10)

  1. 一种育苗块,其特征在于:包括向种子提供营养的营养块(1),营养块(1)的顶部开设有种子投放坑(2),种子投放坑(2)内开设有种子培育坑(3),种子投放坑(2)设置成上大下小结构,使种子在重力作用下顺着种子投放坑(2)的表面落入种子培育坑(3)内,种子培育坑(3)内开设有朝远离种子培育坑(3)的方向延伸、且向种子萌发出的根系提供生长通路的切口(4)。
  2. 根据权利要求1所述的育苗块,其特征在于:所述切口(4)呈辐射状。
  3. 根据权利要求2所述的育苗块,其特征在于:所述辐射状为十字型。
  4. 根据权利要求1所述的育苗块,其特征在于:所述种子投放坑(2)呈球面状。
  5. 根据权利要求1所述的育苗块,其特征在于:所述种子培育坑(3)底部呈球面状。
  6. 根据权利要求1所述的育苗块,其特征在于:所述营养块(1)由吸水性材料制成。
  7. 根据权利要求1所述的育苗块,其特征在于:所述营养块(1)由弹性材料制成。
  8. 根据权利要求1所述的育苗块,其特征在于:所述营养块(1)呈长方体状或圆柱状。
  9. 根据权利要求1所述的育苗块,其特征在于:所述种子培育坑(3)位于种子投放坑(2)的中心。
  10. 根据权利要求1所述的育苗块,其特征在于:所述切口(4)向下贯通至营养块(1)的底部。
PCT/CN2019/096134 2018-10-30 2019-07-16 育苗块 WO2020087986A1 (zh)

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