CN108586096B - 一种农作物种子育苗培养基及其制备方法 - Google Patents
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Abstract
本发明公开了一种农作物种子育苗培养基,属于农业种植技术领域,由以下重量份的原料制成:熟田土20‑30份、蛭石15‑20份、虾蟹壳粉5‑10份、草木灰5‑10份、葡萄皮渣5‑10份、玉米芯粉5‑10份、硅藻土3‑5份、保水剂0.1‑1份,本发明还提供了农作物种子育苗培养基的制备方法,将葡萄皮渣、玉米芯粉与熟田土、蛭石混合陈化后再与其他原料混合即得到农作物种子育苗培养基本;本发明的培养基中加入的草木灰、玉米芯粉、虾蟹壳粉以及葡萄皮渣都是工农业生产得到的废料,原料价廉易得,无毒无污染且能将废料再利用,符合绿色可持续发展的主题。
Description
技术领域
本发明属于农业种植技术领域,具体涉及一种农作物种子育苗培养基及其制备方法。
背景技术
育苗培养基是指能为农作物种子萌发和幼苗生长提供营养成分的生长介质,它除了支持、固定种子和幼苗外,更重要的是充当养分和水分的载体,使来自其自身的营养和来自环境中的养分和水分得以有效供给与缓冲,以使种子顺利萌发,幼苗根系吸收养分生长。
目前,市场上使用的育苗培养基质材料有泥炭、岩棉、蛭石、珍珠岩、蔗渣、菇渣、沙砾和陶粒等,其中岩棉和泥炭在全球应用最广泛,是世界上公认的较理想的栽培基质。但随着逐年大量使用,其给社会和生态环境带来的负面效应也日趋明显,一方面由于岩棉不可降解,大量使用给环境带来二次污染;另一方面,泥炭是不可再生的资源,过量的开采有耗竭的危险;因此,寻求和发掘易得价廉、可替代岩棉等污染材料的优良育苗基质至关重要。
发明内容
针对上述背景,本发明旨在提供一种价廉易得且可生物降解的育苗培养基及其制备方法,以解决现有技术中存在的问题。
本发明采用的技术方案是:一种农作物种子育苗培养基,由以下重量份的原料制成:熟田土20-30份、蛭石15-20份、虾蟹壳粉5-10份、草木灰5-10份、葡萄皮渣5-10份、玉米芯粉5-10份、硅藻土3-5份、保水剂0.1-1份。
优选地,所述蛭石、虾蟹壳粉、玉米芯粉、保水剂的粒径均为40-80目。
优选地,所述保水剂为可降解的环保型保水剂,包括淀粉系保水剂、纤维素系保水剂以及氨基酸系保水剂,传统的丙烯酸类保水剂在自然中不能降解,存在环境问题,而可降解的保水剂在吸水、保水的同时,无毒、可降解,更环保,另外,聚天冬氨酸保水剂、聚谷氨酸保水剂等氨基酸系保水剂降解成小分子后,还可以为幼苗生长提供C、N等元素。
为了解决上述问题,本发明还提供了一种农作物种子育苗培养基的制备方法,主要包括以下步骤:
S1、将收集的虾蟹壳洗净除去附着物,然后烘干研磨得到虾蟹壳粉,将收集的玉米芯烘干后粉碎得到玉米芯粉,备用;
S2、按照熟田土20-30份、蛭石15-20份、S1的虾蟹壳粉5-10重量份、草木灰5-10份、葡萄皮渣5-10份、S1的玉米芯粉5-10重量份、硅藻土3-5份、保水剂0.1-1份的重量份配比称取各原料。
S3、将S2称取的熟田土、蛭石、葡萄皮渣、玉米芯粉倒入容器中混合,搅拌均匀后加水使混合物润湿,然后将容器密封,在30-50℃的温度下陈化5-10天;
S4、将S3步骤陈化好的混合物与S2步骤称取的草木灰、硅藻土、虾蟹壳粉、保水剂混合后即得到农作物种子育苗培养基。
本发明提供一种农作物种子育苗培养基,与现有技术相比,具有以下有益效果:1、加入的草木灰、玉米芯粉、虾蟹壳粉以及葡萄皮渣都是生产得到的废料,原料价廉易得,无毒无污染且能将废料再利用;2、将葡萄皮渣和玉米芯粉可以作为有机肥料,可以提高熟田土的偏弱酸状态,使土壤小颗粒凝结从而改善土壤团粒结构,有利于植物根系的肥、水、气的通透和根系的伸延;3、虾蟹壳粉中含有的钙质、甲壳素对种子萌发时的酶活性具有一定的促进作用;4、草木灰为农作物生长提供所有所需的矿质元素,保水剂可以吸收储存一定的水分,满足种子萌发所需的湿度。
具体实施方式
下面结合具体实施例,进一步阐述本发明,本领域的技术人员容易理解,实施例所描述的具体物料配比、工艺条件及其结果仅用于说明本发明,而不应当也不会限制权利要求书中所详细描述的本发明。本发明所用的葡萄皮渣即为酒厂酿酒产生的废料酒糟,所述保水剂均为现有技术合成的可降解保水剂。
实施例1
一种农作物种子育苗培养基,由以下重量份的原料制成:熟田土20份、蛭石15份、虾蟹壳粉5份、草木灰5份、葡萄皮渣5份、玉米芯粉5份、硅藻土3份、保水剂0.1份;所述蛭石、虾蟹壳粉、玉米芯粉、保水剂的粒径均为60目;所述保水剂为聚天冬氨酸保水剂,所述聚天冬氨酸保水剂通过将聚天冬氨酸碱性水解后加入环氧交联剂制备得到,保水剂为现有技术。
上述农作物种子育苗培养基的制备方法,主要包括以下步骤:
S1、将收集的虾蟹壳洗净除去附着物,然后烘干研磨得到虾蟹壳粉,将收集的玉米芯烘干后粉碎得到玉米芯粉;
S2、按照熟田土20份、蛭石15份、草木灰5份、葡萄皮渣5份、硅藻土3份、保水剂0.1份的重量份配比称取各原料,然后称取S1步骤的虾蟹壳粉5重量份、玉米芯粉5重量份;
S3、将S2称取的熟田土、蛭石、葡萄皮渣、玉米芯粉倒入容器中混合,搅拌均匀后加水使混合物润湿,然后将容器密封,在45℃的温度下陈化10天;
S4、将S3步骤陈化好的混合物与S2步骤称取的草木灰、硅藻土、虾蟹壳粉、保水剂混合后即得到农作物种子育苗培养基。
实施例2
一种农作物种子育苗培养基,由以下重量份的原料制成:熟田土30份、蛭石20份、虾蟹壳粉10份、草木灰10份、葡萄皮渣10份、玉米芯粉10份、硅藻土5份、保水剂1份;所述蛭石、虾蟹壳粉、玉米芯粉、保水剂的粒径均为60目;所述保水剂为淀粉系保水剂,所述淀粉系保水剂通过向糊状的淀粉中加入氢氧化钠溶液、丙烯酰胺和丙烯酸后,以过硫酸钾做引发剂制成,淀粉系保水剂的制备方法为现有技术。
实施例2的农作物种子育苗培养基的制备方法与实施例1的制备方法相同。
实施例3
一种农作物种子育苗培养基,由以下重量份的原料制成:熟田土30份、蛭石15份、虾蟹壳粉8份、草木灰5份、葡萄皮渣10份、玉米芯粉10份、硅藻土3份、保水剂0.5份,所述蛭石、虾蟹壳粉、玉米芯粉、保水剂的粒径均为60目;所述保水剂为聚天冬氨酸保水剂和纤维素类保水剂的混合物,所述聚天冬氨酸保水剂和纤维素类保水剂的重量份比为1:1,所述纤维素类保水剂是以化学改性的小麦秸秆为原料,使用过硫酸铵为引发剂介质丙烯酸,并在N,N’-亚甲基双丙烯酰胺交联作用下合成,所述合成方法为现有技术。
对比例1
一种农作物种子育苗培养基,由以下重量份的原料制成:熟田土30份、蛭石15份、虾蟹壳粉8份、草木灰5份、葡萄皮渣10份、玉米芯粉10份、硅藻土3份,所述蛭石、虾蟹壳粉、玉米芯粉的粒径均为60目。
对比例1中农作物种子育苗培养基的制备方法与实施例1的制备方法相同。
对比例2
一种农作物种子育苗培养基,由以下重量份的原料制成:熟田土30份、蛭石15份、虾蟹壳粉8份、草木灰5份、硅藻土3份、保水剂0.5份,所述蛭石、虾蟹壳粉、保水剂的粒径均为60目;所述保水剂为聚天冬氨酸保水剂和纤维素类保水剂的混合物,所述聚天冬氨酸保水剂和纤维素类保水剂的重量份比为1:1。
对比例2的育苗培养基的制备方法,包括以下步骤:
S1、将收集的虾蟹壳洗净除去附着物,然后烘干研磨得到虾蟹壳粉;
S2、按照熟田土30份、蛭石15份、草木灰5份、硅藻土3份、保水剂0.5份的重量份配比称取各原料,然后称取S1步骤的虾蟹壳粉8重量份;
S3、将S2称取的熟田土、蛭石、草木灰、硅藻土、虾蟹壳粉、保水剂混合后即得到农作物种子育苗培养基。
对比例3
一种农作物种子育苗培养基,由以下重量份的原料制成:熟田土30份、蛭石15份、草木灰5份、葡萄皮渣10份、玉米芯粉10份、硅藻土3份、保水剂0.5份,所述蛭石、玉米芯粉、保水剂的粒径均为60目;所述保水剂为聚天冬氨酸保水剂和纤维素类保水剂的混合物,所述聚天冬氨酸保水剂和纤维素类保水剂的重量份比为1:1。
对比例3中农作物种子育苗培养基的制备方法与实施例1的制备方法相同。
将实施例3、对比例1、对比例2以及对比例3制备的农作物种子育苗培养基培育玉米,具体实验方法是:四组实验,每组设置10组平行实验,将育苗培养基装盆,每盆装1500g,每盆种植4粒玉米种子,刚开始时浇水120mL,之后每隔3天浇水一次,每次浇水量为90mL,测定3天后和7天后玉米发芽率,实验结果如表1所示。
表1实验组种植第3天以及第7天后的发芽率
从表1中可以看出,用实施例3的育苗培养基培育玉米时,3天后种子的发芽率为80%,而对比例1、对比例2以及对比例3的发芽率分别为52.5%、65%、55%,说明实施例3的育苗培养基可以显著提高种子的活力,促进种子萌发;实施例3与对比例1玉米种子7天后的发芽率分别为97.5%和75%,对比可以看出添加保水剂可以显著提高种子的发芽率,因为保水剂可以锁住水分,为玉米种子发芽提供了足够的水分;对比例2中玉米种子7天后的发芽率为87.5%,与实施例3相比可以看出,葡萄皮渣和玉米芯粉作为有机肥料,提供了种子发芽所需的营养物质;对比例3中玉米种子7天后的发芽率为95%,与实施例3相比可以看出,虾蟹壳粉的加入虽然能促进种子萌发,使种子快速发芽,但是对种子的发芽率没有显著影响。
尽管实施例已经详细描述了本发明,但是本发明实施例并非局限于此,任何本领域的技术人员能思之的变化都应落入本发明的保护范围。
Claims (4)
1.一种农作物种子育苗培养基,其特征在于,由以下重量份的原料制成:熟田土20-30份、蛭石15-20份、虾蟹壳粉5-10份、草木灰5-10份、葡萄皮渣5-10份、玉米芯粉5-10份、硅藻土3-5份、保水剂0.1-1份;
所述保水剂为可降解的环保型保水剂;
所述的农作物种子育苗培养基的制备方法,包括以下步骤:
S1、将收集的虾蟹壳洗净除去附着物,然后烘干研磨得到虾蟹壳粉,将收集的玉米芯烘干后粉碎得到玉米芯粉,备用;
S2、按照熟田土20-30份、蛭石15-20份、S1的虾蟹壳粉5-10重量份、草木灰5-10份、葡萄皮渣5-10份、S1的玉米芯粉5-10份、硅藻土3-5份、保水剂0.1-1份的重量份配比称取各原料;
S3、将S2称取的熟田土、蛭石、葡萄皮渣、玉米芯粉倒入容器中混合,搅拌均匀后加水使混合物润湿,然后将容器密封,在30-50℃的温度下陈化5-10天;
S4、将S3步骤陈化好的混合物与S2步骤称取的草木灰、硅藻土、虾蟹壳粉、保水剂混合后即得到农作物种子育苗培养基。
2.根据权利要求1所述的农作物种子育苗培养基,其特征在于,所述蛭石、虾蟹壳粉、玉米芯粉、保水剂的粒径均为40-80目。
3.根据权利要求1所述的农作物种子育苗培养基,其特征在于,所述可降解的环保型保水剂为淀粉系保水剂、纤维素系保水剂以及氨基酸系保水剂中的一种或多种的混合物。
4.如权利要求1所述的农作物种子育苗培养基的制备方法,包括以下步骤:
S1、将收集的虾蟹壳洗净除去附着物,然后烘干研磨得到虾蟹壳粉,将收集的玉米芯烘干后粉碎得到玉米芯粉,备用;
S2、按照熟田土20-30份、蛭石15-20份、S1的虾蟹壳粉5-10重量份、草木灰5-10份、葡萄皮渣5-10份、S1的玉米芯粉5-10份、硅藻土3-5份、保水剂0.1-1份的重量份配比称取各原料;
S3、将S2称取的熟田土、蛭石、葡萄皮渣、玉米芯粉倒入容器中混合,搅拌均匀后加水使混合物润湿,然后将容器密封,在30-50℃的温度下陈化5-10天;
S4、将S3步骤陈化好的混合物与S2步骤称取的草木灰、硅藻土、虾蟹壳粉、保水剂混合后即得到农作物种子育苗培养基。
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