CN109566375B - 一种番茄无土栽培方法 - Google Patents
一种番茄无土栽培方法 Download PDFInfo
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- CN109566375B CN109566375B CN201811636932.XA CN201811636932A CN109566375B CN 109566375 B CN109566375 B CN 109566375B CN 201811636932 A CN201811636932 A CN 201811636932A CN 109566375 B CN109566375 B CN 109566375B
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- nutrient solution
- tomato
- tomatoes
- tap water
- growth
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
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- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims description 3
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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
- A01G31/00—Soilless cultivation, e.g. hydroponics
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C5/00—Fertilisers containing other nitrates
- C05C5/02—Fertilisers containing other nitrates containing sodium or potassium nitrate
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C5/00—Fertilisers containing other nitrates
- C05C5/04—Fertilisers containing other nitrates containing calcium nitrate
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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Abstract
本发明涉及一种番茄无土栽培方法,具体包括如下步骤:S1、番茄栽培基质处理:S2、基质装袋:将处理后的椰糠基质装入直径为40~50cm,高度为30~40cm的栽培袋中,装袋完成后的椰糠基质表面离袋口5~7cm;S3、移栽番茄秧苗:将番茄秧苗移栽至栽培袋,一袋一株番茄秧苗;S4、番茄苗期灌溉:配制番茄苗期生长营养液,采用微喷滴灌方式对处于苗期的番茄分别进行营养液及自来水的灌溉;S5、番茄成长期灌溉:番茄秧苗生长15天后,番茄进入成长期,配制番茄成长期营养液,采用微喷滴灌方式对处于生长期的番茄分别进行营养液及自来水的灌溉,处于生长期的番茄在晴好天气时每天上午分两次滴灌营养液,下午分两次滴灌自来水。
Description
技术领域
本发明属于经济作物无土栽培技术领域,具体涉及一种番茄无土栽培。
背景技术
樱桃番茄又称为圣女果,富含维生素C、B族维生素、胡萝卜素和番茄红素等营养元素,采用无土栽培可以实现反季节种植,满足一年四季不间断供应。
无土栽培,即不采用天然土壤,而是利用其他介质、使植物的根系直接接触营养液的栽培方式,一般分为无基质栽培和基质栽培。无土栽培改变了传统的栽培习惯,在一定程度上实现了农业的机械化、自动化和集约化。基质栽培在番茄无土栽培上应用最为广泛,它是将作物的根系固定在有机或无机的基质中,通过滴灌或细流灌溉的方法,供给作物营养液。栽培用的基质可以装入塑料袋内,或铺于栽培沟或槽内。基质栽培的营养液是不循环的,称为开路***,这可以避免病害通过营养液的循环而传播。因此,基质栽培具有生长速度快、产量高、品质优、商品性能好和对环境污染少等优点。长期的研究发现,水培的番茄、黄瓜等经济作物的产量穿传统土壤栽培高1倍以上。
对于番茄的栽培来说,无土栽培可以减少土地占有量,降低土壤磷含量,利用农业废弃物作为基质肥料,提高生态农业的可持续发展性,而且能够大大减少了化学肥料的施用,省水、省肥、省劳动力,并能有效解决设施栽培连作障碍、土传病害严重、土壤次生盐渍化等问题。但传统的营养液栽培,在番茄整个生长阶段的用氮量都一成不变,会造成番茄植株对氮素的不均衡吸收,对于需氮量少的生长阶段,营养液的含氮量对该阶段来说属于高氮量,就会造成硝酸盐在根系的大量积累,随之转化为亚硝酸盐形成毒害。
申请号为201510134075.3的中国专利公开了一种番茄粉煤灰陶粒基质无土栽培营养液,具体公开了以粉煤灰陶粒为基质的番茄栽培的营养液,所述营养液包括营养生长期无土栽培营养液和生殖生长期无土栽培营养液,所述的两种营养液都为水作为溶剂的营养液,通过KNO3、Ca(NO3)2·4H2O、Mg2SO4·4H2O、KH2PO4、NH4NO3、Fe-EDTA、H3BO3、MnSO4·H2O、ZnSO4·7H2O、CuSO4·5H2O、Na2MoO4·2H2O等成分分别配制而成,该申请中营养生长期无土栽培营养液侧重于促进植株营养生长,生殖生长期无土栽培营养液侧重于促进果实彭大和发育,但是该营养液配方只针对以粉煤灰为基质的番茄栽培。
目前无土栽培的营养液配方很多,但任何一种配方开发时都有它特定的基质或栽培方式,也就是说每一种营养液都有它适用的基质和栽培方式。基质的理化性质会影响作物的根系环境和根系的吸收。
发明内容
鉴于上述现有技术的不足,本发明旨在提供一种番茄无土栽培方法,利用物任何副作用的椰糠作为栽培基质,同时提供了适用于任何基质栽培时不同番茄生长营养液配方,能做到随用随配,用量少,功效显著,利用该营养液栽培制得番茄果皮壁更薄,糖分更高。
本发明的技术方案如下:
一种番茄无土栽培方法,具体包括如下步骤:
S1、番茄栽培基质处理:采用椰糠为栽培基质,将椰糠泡水0.5~1h,使其完全分散;
S2、基质装袋:将处理后的椰糠基质装入直径为40~50cm,高度为30~40cm的栽培袋中,装袋完成后的椰糠基质表面离袋口5~7cm;
S3、移栽番茄秧苗:将番茄秧苗移栽至栽培袋,一袋一株番茄秧苗,番茄秧苗的根系离栽培袋底7~10cm;移栽后将番茄秧苗置于大棚中并设置垂蔓供番茄攀爬生长;
S5、番茄苗期灌溉:配制番茄苗期生长营养液,采用微喷滴灌方式对处于苗期的番茄分别进行营养液及自来水的灌溉,处于苗期的番茄每天上午滴灌营养液,下午滴灌自来水;150~170L营养液,4000~4500L自来水可用于浇灌3000~3500株番茄秧苗;
S6、番茄成长期灌溉:番茄秧苗生长15天后,番茄进入成长期,配制番茄成长期营养液,同样采用微喷滴灌方式对处于生长期的番茄分别进行营养液及自来水的灌溉,处于生长期的番茄在晴好天气时每天上午分两次滴灌营养液,下午分两次滴灌自来水;300~320L营养液,4000~4500L自来水可用于浇灌1500~1700株成长期番茄;60天后,番茄植株进入快速生长期,每天滴灌营养液和自来水的同时需另外添加含有磷元素和钾元素的化合物。
进一步的,番茄进入成长期后,阴天自来水的灌溉量为晴好天气自来水灌溉量的50%,300~320L营养液,2000~2500L自来水可用于浇灌1500~1700株成长期番茄;室温在20~30℃时,300~320L营养液,4000~4500L自来水可用于浇灌1500~1700株成长期番茄;室温处于20℃以下时,自来水的灌溉量为室温在20~30℃时自来水灌溉量的50%,300~320L营养液,2000~2500L自来水可用于浇灌1500~1700株成长期番茄;室温处于30℃以上时,自来水的灌溉量为室温在20~30℃时自来水灌溉量的150%,300~320L营养液,6000~7000L自来水可用于浇灌1500~1700株成长期番茄。
进一步的,所述苗期生长营养液,以水为溶剂,每升苗期生长营养液含以下质量的组分:
进一步的,所述成长期营养液,以水为溶剂,每升成长期营养液含以下质量的组分:
进一步的,所述苗期生长营养液的pH值为6.1-8.0;所述成长期营养液的pH值为5.0-6.0。
进一步的,所述酚类化合物为水杨酸、丹宁酸和间苯二酚。
进一步的,所述成长期营养液中含氧量控制在5-8%。
进一步的,所述步骤S2中垂蔓包括在大棚顶端平行设置的若干钢丝绳,并在相应的番茄栽培袋上方的钢丝绳上垂直捆绑玻璃绳作为番茄生长的托架。
本发明具有如下有益效果:
1、本发明通过分析番茄养分吸收特性及番茄生长发育情况,研发一种实用性较高且适用性广泛的番茄无土栽培方法以及适用于任何基质栽培番茄的营养液通用配方,本发明中针对不同成长阶段的番茄进行不同方式和营养液的灌溉,自来水和营养液分开灌溉,能够保证滴灌的营养液的浓度;利用该营养液配方能够克服目前番茄无土栽培需要根据不同的基质种类,进行有针对性的营养液复配的缺点,本发明中的营养液配方适用于不产生理化性质变化的任何基质。
2、本发明中的番茄无土栽培的营养液配方由苗期营养液和成长期营养液两部分组成,充分考虑了番茄在不同生长发育阶段的养分吸收特性,调整不同时期的各组分原料的种类和比例。在番茄果皮中,纤维素和半纤维素起着骨架的作用,果胶质有序地交叉联接分布在纤维素和半纤维素微丝中,在果实彭大和发育过程中,纤维素酶和多聚半乳糖醛酸酶的活性不断增加,会降解细胞壁物质,使果皮细胞壁超微结构变的松弛,果皮细胞排列疏松,在膨压作用下就容易发生果裂,因此在苗期生长营养液中引入水杨酸,水杨酸的存在能够诱导果皮细胞中多聚半乳糖醛酸酶抑制蛋白的活性,同时能够促进主茎生长速率;在生殖期引入葡萄糖内酸酯和酚类化合物可降低纤维素酶和多聚半乳糖醛酸酶的活性,酶的活性降低导致果皮细胞壁物质成分含量也随之降低,果皮内的果胶、纤维素和半纤维素分解代谢降低,细胞壁保持完整性的能力增强,不容易发生果裂,能够保证番茄成长过程中果实完整,避免由于裂果导致水分或其他营养成分流失等问题,同时能够减小番茄果皮壁的厚度,保证番茄的口感。
3、本发明中首先通过苗期营养液和成长期营养液中微量元素的比例调控,同时在生殖期生长营养液中添加促进多糖水解为单糖,提高糖分转换,进而提高番茄提高甜度。
4、本发明将番茄成长期营养液中含氧量控制在5-8%范围内,降低番茄的呼吸作用和效率,减少光合作用形成的糖类的消耗。
具体实施方式
下面结合较佳实施例对本发明作进一步的说明。
一种番茄无土栽培方法,具体包括如下步骤:
S1、番茄栽培基质处理:采用椰糠为栽培基质,将椰糠泡水0.5~1h,使其完全分散;
S2、基质装袋:将处理后的椰糠基质装入直径为40~50cm,高度为30~40cm的栽培袋中,装袋完成后的椰糠基质表面离袋口5~7cm;
S3、移栽番茄秧苗:将番茄秧苗移栽至栽培袋,一袋一株番茄秧苗,番茄秧苗的根系离栽培袋底7~10cm;移栽后将番茄秧苗置于大棚中并设置垂蔓供番茄攀爬生长;
S5、番茄苗期灌溉:配制番茄苗期生长营养液,采用微喷滴灌方式对处于苗期的番茄分别进行营养液及自来水的灌溉,处于苗期的番茄每天上午滴灌营养液,下午滴灌自来水;150~170L营养液,4000~4500L自来水可用于浇灌3000~3500株番茄秧苗;
S6、番茄成长期灌溉:番茄秧苗生长15天后,番茄进入成长期,配制番茄成长期营养液,同样采用微喷滴灌方式对处于生长期的番茄分别进行营养液及自来水的灌溉,处于生长期的番茄在晴好天气时每天上午分两次滴灌营养液,下午分两次滴灌自来水;300~320L营养液,4000~4500L自来水可用于浇灌1500~1700株成长期番茄;60天后,番茄植株进入快速生长期,每天滴灌营养液和自来水的同时需另外添加含有磷元素和钾元素的化合物。
进一步的,番茄进入成长期后,阴天自来水的灌溉量为晴好天气自来水灌溉量的50%,300~320L营养液,2000~2500L自来水可用于浇灌1500~1700株成长期番茄;室温在20~30℃时,300~320L营养液,4000~4500L自来水可用于浇灌1500~1700株成长期番茄;室温处于20℃以下时,自来水的灌溉量为室温在20~30℃时自来水灌溉量的50%,300~320L营养液,2000~2500L自来水可用于浇灌1500~1700株成长期番茄;室温处于30℃以上时,自来水的灌溉量为室温在20~30℃时自来水灌溉量的150%,300~320L营养液,6000~7000L自来水可用于浇灌1500~1700株成长期番茄。
进一步的,所述步骤S2中垂蔓包括在大棚顶端平行设置的若干钢丝绳,并在相应的番茄栽培袋上方的钢丝绳上垂直捆绑玻璃绳作为番茄生长的托架。
表1为实施例1~实施例3中苗期营养液的重量配比
表2为实施例1~实施例3中成长期营养液的重量配比
对照实施例:
一种番茄无土栽培用的植物营养液,由按重量份的以下原料制成:硝酸钾2份,硝酸钙5份,硫酸镁3份,磷酸铵3份,硫酸钾2份,磷酸二氢钾2份,Na2-EDTA 0.1份,Fe-EDTA0.05份,钼酸0.01份,硫酸锰0.02份,四硼酸钠0.5份,过磷酸钙3份,硫酸锌0.003份,硫酸铜0.001份,硝酸铵0.001份,尿素3份,有机酸2份,β环糊精0.5份,维生素B族0.5份,壳聚糖2份,烟酰胺2份,氨基酸0.5份,己酸二乙氨基乙酯醇0.5份,赤霉素0.02份,水6000份。
性能测试:
采用表1和表2中实施例1~实施例3中的营养液进行番茄的无土栽培,具体果实品质测试数据如表3
项目 | 实施例1 | 实施例2 | 实施例3 | 对照实施例 |
可溶性糖(%) | 5.09 | 5.18 | 5.20 | 4.23 |
糖酸比 | 7.15 | 6.89 | 7.06 | 5.12 |
由表3可知,利用本发明方法栽培的番茄的糖度均显著大于对照实施例中栽培制得的番茄,口感更佳,取得较好品质的番茄。
采用表1和表2中实施例1~实施例3中的营养液进行番茄的无土栽培,具体果皮细胞成分测试数据如表4
由表4可知,利用本发明的方法栽培得到的番茄的果皮壁中果胶含量、纤维素含量和半纤维含量相较于对照实施例中的果皮壁细胞成分有较为明显降低,使得果胶、纤维素和半纤维的代谢降低,细胞壁保持完整性的能力增强,使得果皮不容易发生溃裂。
上述实施例为本发明较佳的实施方式,但本发明的实施方式并不受上述实施例的限制,其他的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化,均应为等效的置换方式,都包含在本发明的保护范围内。
Claims (3)
1.一种番茄无土栽培方法,其特征在于,具体包括如下步骤:
S1、番茄栽培基质处理:采用椰糠为栽培基质,将椰糠泡水0.5~1h,使其完全分散;
S2、基质装袋:将处理后的椰糠基质装入直径为40~50cm,高度为30~40cm的栽培袋中,装袋完成后的椰糠基质表面离袋口5~7cm;
S3、移栽番茄秧苗:将番茄秧苗移栽至栽培袋,一袋一株番茄秧苗,番茄秧苗的根系离栽培袋底7~10cm;移栽后将番茄秧苗置于大棚中并设置垂蔓供番茄攀爬生长;
S4、番茄苗期灌溉:配制番茄苗期生长营养液,采用微喷滴灌方式对处于苗期的番茄分别进行营养液及自来水的灌溉,处于苗期的番茄每天上午滴灌营养液,下午滴灌自来水;150~170L营养液,4000~4500L自来水可用于浇灌3000~3500株番茄秧苗;所述苗期生长营养液,以水为溶剂,每升苗期生长营养液含以下质量的组分:
Ca(NO3)2 110-120g;
KNO3 25-30g;
Fe-EDTA 3-5g;
Fe2(SO4)3 16-20g;
NH4H2PO3 8-9g;
Na2B4O7•10H2O 0.3-0.5g;
MnSO4 0.3-0.5g;
Zn3(PO4)2 0.02-0.04g;
CuSO4 0.01-0.02g;
Na2MoO4 0.003-0.005g;
水杨酸 0.002-0.004g;
S5、番茄成长期灌溉:番茄秧苗生长15天后,番茄进入成长期,配制番茄成长期营养液,同样采用微喷滴灌方式对处于成长期的番茄分别进行营养液及自来水的灌溉,处于成长期的番茄在晴好天气时每天上午分两次滴灌营养液,下午分两次滴灌自来水;300~320L营养液,4000~4500L自来水可用于浇灌1500~1700株成长期番茄;60天后,番茄植株进入快速生长期,每天滴灌营养液和自来水的同时需另外添加含有磷元素和钾元素的化合物;所述成长期营养液,以水为溶剂,每升成长期营养液含以下质量的组分:
Ca(NO3)2 75-85g;
KNO3 18-22g;
Fe-EDTA 2-3g;
MgSO4 55-65g;
K2SO4 25-35g;
NH4H2PO4 12-18g;
Na2B4O7•10H2O 0.3-0.5g;
MnSO4 0.3-0.4g;
Zn3(PO4)2 0.02-0.03g;
CuSO4 0.004-0.006g;
Na2MoO4 0.001-0.002g;
葡萄糖内酸酯 0.001-0.003g;
酚类化合物 0.001-0.003g;
当番茄进入成长期后,阴天自来水的灌溉量为晴好天气自来水灌溉量的50%,300~320L营养液,2000~2500L自来水可用于浇灌1500~1700株成长期番茄;室温在20~30℃时,300~320L营养液,4000~4500L自来水可用于浇灌1500~1700株成长期番茄;室温小于20℃时,自来水的灌溉量为室温在20~30℃时自来水灌溉量的50%,300~320L营养液,2000~2500L自来水可用于浇灌1500~1700株成长期番茄;室温大于30℃时,自来水的灌溉量为室温在20~30℃时自来水灌溉量的150%,300~320L营养液,6000~7000L自来水可用于浇灌1500~1700株成长期番茄;所述成长期营养液中含氧量控制在5~8%;所述酚类化合物为水杨酸、丹宁酸和间苯二酚。
2.如权利要求1所述的一种番茄无土栽培方法,其特征在于:所述苗期生长营养液的pH值为6.1-8.0;所述成长期营养液的pH值为5.0-6.0。
3.如权利要求1所述的一种番茄无土栽培方法,其特征在于:所述步骤S3中垂蔓包括在大棚顶端平行设置的若干钢丝绳,并在相应的番茄栽培袋上方的钢丝绳上垂直捆绑玻璃绳作为番茄生长的托架。
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