CN104620804A - Method for reducing absorbed and accumulated heavy metal of Brass napus - Google Patents
Method for reducing absorbed and accumulated heavy metal of Brass napus Download PDFInfo
- Publication number
- CN104620804A CN104620804A CN201410793543.3A CN201410793543A CN104620804A CN 104620804 A CN104620804 A CN 104620804A CN 201410793543 A CN201410793543 A CN 201410793543A CN 104620804 A CN104620804 A CN 104620804A
- Authority
- CN
- China
- Prior art keywords
- conyza bonariensis
- sample ground
- crong
- plant
- rape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910001369 Brass Inorganic materials 0.000 title claims abstract description 10
- 239000010951 brass Substances 0.000 title claims abstract description 10
- 244000242024 Conyza bonariensis Species 0.000 claims abstract description 44
- 239000002689 soil Substances 0.000 claims abstract description 40
- 241000196324 Embryophyta Species 0.000 claims abstract description 36
- 238000003967 crop rotation Methods 0.000 claims abstract description 14
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- 239000011572 manganese Substances 0.000 claims abstract description 8
- 238000009825 accumulation Methods 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 238000009331 sowing Methods 0.000 claims description 9
- 244000188595 Brassica sinapistrum Species 0.000 claims description 8
- 235000004977 Brassica sinapistrum Nutrition 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 229910052793 cadmium Inorganic materials 0.000 description 5
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 5
- 239000011133 lead Substances 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Botany (AREA)
- Processing Of Solid Wastes (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a method for reducing absorbed and accumulated heavy metal of Brass napus. Conyza bonariensis and Brass napus are adopted as materials. The method comprises the following steps that (1) seeds of the Conyza bonariensis are collected; (2) sample fields are established, three sample fields with the identical area are selected and established in a polluted cultivated land nearby a manganese mine, one sample field serves as a crop rotation experiment sample field, and the other two sample fields serve as single cropping experiment sample fields; (3) a crop rotation experiment is carried out, the seeds of the Conyza bonariensis are sown in the crop rotation experiment sample field in the end of spring, plants of the Conyza bonariensis are harvested in autumn, the sample field is ploughed, the plants of the Conyza bonariensis are pressed and buried in soil, the sample field is prepared, planting holes are dug, and the Brass napus is sown in the holes; (4) a single cropping experiment is carried out, the Conyza bonariensis is not planted in one single cropping experiment sample field in the end of spring, only the Brass napus is sown in the same single cropping experiment sample field in autumn, only Conyza bonariensis is sown in the other single cropping experiment sample field in the end of spring, in autumn, after the sample field is ploughed, the harvested plants of Conyza bonariensis are pressed and buried in the soil, and the Brass napus is not planted. By the adoption of the technology, the heavy metal absorbed and accumulated by the Brass napus from the cultivated land polluted by the manganese mine can be reduced remarkably. The materials of the method are convenient to obtain, operation is simple, and the method is free of ecological risks.
Description
Technical field
The present invention relates to heavy metal pollution control field, particularly relate to a kind of reduce rape (
brass napus) method of absorption and accumulation heavy metal.
Background technology
China is by the agricultural land about 2,000 ten thousand hectares of heavy metal pollution, and grain contaminated by heavy metals every year reaches 1,200 ten thousand tons, and problem is very outstanding.The large subordinate in arable land of heavy metal pollution pollutes in mild or moderate, study and pollute at mild or moderate an urgent demand that the technology of carrying out safe agricultural production in arable land is solution agricultural products in China safety, also contribute to maintaining China's grain yield to stablize and national security, alleviate and have a large population and few contradiction of ploughing.
Soil pH value is one of principal element affecting heavy metal-polluted soil Chemical Characteristics.When soil pH value is higher, heavy metal activity is low, not easily moves and moves.When soil pH value reduction with when presenting acidifying state, heavy metal in soil can transform to water-soluble state, exchange state, thus improve the burst size of the Most of heavy metals such as Cadmium in Soil, lead, zinc and manganese, heavy metals mobilization increases, crop is increased from the heavy metal of contaminated soil absorption and accumulation, threatens larger to human health.
Rape is a kind of important oil crop.When cultivation is in heavy-metal contaminated soil, rape can absorption and accumulation heavy metal.When cultivation is in the heavy-metal contaminated soil that pH is low, the heavy metal of Absorption of Rape accumulation is more.For the problem reducing rape absorption and accumulation heavy metal from acidified soil, the safety in production that research and utilization plant control soil acidification technology can be rape provides technical support.
Summary of the invention
The object of this invention is to provide a kind of method reducing Absorption of Rape accumulation heavy metal.
technical scheme of the present invention:
Reduce a method for Absorption of Rape accumulation heavy metal, comprise the following steps:
(1) Conyza bonariensis (L.) Crong seed is gathered.
(2) foundation on sample ground: pollute choosing in ploughing near manganese ore and build 3 identical sample ground of area, one piece of sample ground is as crop rotation experiment sample ground, and another two pieces of samples ground is as single experiment sample ground.
(3) crop rotation experiment: spring Mo broadcasts sowing Conyza bonariensis (L.) Crong seed in crop rotation experiment sample ground, gathers in Conyza bonariensis (L.) Crong plant autumn, sample ground of turning over, be embedded in soil by Conyza bonariensis (L.) Crong plant pressure, dig kind of a plant hole after arranging sample ground, cave spacing 30cm, is sown in rape seed in cave.
(4) single experiment: the one piece of single experiment wherein of spring end does not plant Conyza bonariensis (L.) Crong in sample ground, and autumn then pulls out the weeds in sample ground, digs kind of a plant hole, cave spacing 30cm, by rape seed sowing in cave.Spring Mo only plants Conyza bonariensis (L.) Crong in another block single experiment sample ground, gathers in Conyza bonariensis (L.) Crong plant autumn, and sample ground of turning over, is embedded in soil by Conyza bonariensis (L.) Crong plant pressure, does not plant rape.
Optimize, in described step (3) and (4), after the rape seed in kind plant hole is emerged, every cave retains 3 young plants.
principle is:
(1) soil pH value affects the form of the heavy metals such as manganese, lead, cadmium and zinc, and low with under acid condition at soil pH value, the heavy metal of water-soluble state and exchange state increases, and the biological effectiveness of heavy metal improves, and the heavy metal of Crop increases; Soil pH value increases can reduce Crop accumulation heavy metal.
(2) rape can from contaminated soil absorption and accumulation heavy metal, after soil pH value increases, the heavy metal of rape absorption and accumulation from contaminated soil reduces.
(3) Conyza bonariensis (L.) Crong (
conyza bonariensis) belong to composite family annual herb, seminal propagation; In Conyza bonariensis (L.) Crong process of growth, can increase soil pH value, its cauline leaf is placed into the soil and is more contributed to increasing soil pH value.
(4) crop rotation Conyza bonariensis (L.) Crong and rape in contaminated soil, can reduce Absorption of Rape accumulation heavy metal.
beneficial effect of the present invention:
(1) in Conyza bonariensis (L.) Crong process of growth, can increase soil pH value, its cauline leaf is placed into the soil and is more contributed to increasing soil pH value.
(2) Conyza bonariensis (L.) Crong and rape are carried out crop rotation, significantly can reduce rape and pollute absorption and accumulation heavy metal arable land from manganese ore.
(3) Conyza bonariensis (L.) Crong is easily bred, and growth is fast, easy cultivation management.
(4) this technology has convenience of drawing materials, easy and simple to handle, without ecological risk.
embodiment:
Below in conjunction with embodiment, the present invention is described in detail.
Embodiment
In September, 2012, the pollution near Xiangtan, Hunan Province manganese ore was tested in ploughing in May, 2014.Pollute the soil pH value average out to 4.27 of ploughing, its manganese, lead, cadmium and zinc average content are respectively 3903.1,329.5,11.8 and 423.0mg.kg
-1.
Material: Conyza bonariensis (L.) Crong (
conyza bonariensis) and rape (
brass napus).
Implementation step is as follows:
In September, (1) 2012, gather Conyza bonariensis (L.) Crong seed.
(2) foundation on sample ground: pollute plough in choosing build the identical sample ground of 3 pieces of areas, be divided into and be denoted as T-1, T-2 and T-3, by the arrangement of turning over of sample ground.T-1 sample ground is as crop rotation experiment sample ground, T-2 and T-3 sample ground is as single experiment sample ground.
(3) crop rotation experiment: spring end in 2013, Conyza bonariensis (L.) Crong seed is broadcasted sowing in T-1 sample ground, autumn, harvesting Conyza bonariensis (L.) Crong plant, sample ground of turning over, is embedded in soil by Conyza bonariensis (L.) Crong plant pressure, kind of a plant hole is dug after arranging sample ground, cave spacing 30cm, by rape seed sowing in kind of plant hole, after emerging, every cave retains 3 young plants.
(4) single experiment: spring end in 2013, do not plant Conyza bonariensis (L.) Crong, autumn, pull out the weeds in sample ground, dig kind of a plant hole, cave spacing 30cm in T-2 sample ground, by rape seed sowing in kind of plant hole, after emerging, every cave retains 3 young plants.Spring end in 2013, in T-3 sample ground, only broadcast sowing Conyza bonariensis (L.) Crong seed, autumn, harvesting Conyza bonariensis (L.) Crong plant, sample ground of turning over, is embedded in soil by Conyza bonariensis (L.) Crong plant pressure; T-3 sample does not plant rape in ground.
Content of beary metal (the mg.kg of table 1 rape stem, leaf and seed
-1)
Note: in same row homolog be marked with significant difference between different letter representation T-1 and T-2 (
p< 0.05)
(5) determination and analysis: in May, 2014, gathers rape from sample ground and soil specimen is analyzed.Between the pH value average out to 5.29, T-1 of pH value average out to 4.15, the T-3 sample ground soil of pH value average out to 5.12, the T-2 sample ground soil of T-1 sample ground soil and the soil pH value on T-3 sample ground, difference is not remarkable, but is both significantly higher than T-2.Find by carrying out contrast to the soil pH value on T-1, T-2 and T-3 sample ground, plantation Conyza bonariensis (L.) Crong significantly can increase soil pH value.The content of the manganese of the T-1 sample ground stem of rape, leaf and seed, lead, cadmium and zinc significantly lower than T-2 sample ground (see table 1), therefore confirms the content that Conyza bonariensis (L.) Crong and rape crop rotation significantly can be reduced cadmium in rape, lead, zinc and manganese.
Claims (2)
1. one kind reduce rape (
brass napus) method of absorption and accumulation heavy metal, comprise the following steps:
(1) gather Conyza bonariensis (L.) Crong (
conyza bonariensis) seed;
(2) foundation on sample ground: pollute choosing in ploughing and build 3 pieces of identical sample ground of area near manganese ore, one piece of sample ground is as crop rotation experiment sample ground, and another two pieces of samples ground is as single experiment sample ground;
(3) crop rotation experiment: spring Mo broadcasts sowing Conyza bonariensis (L.) Crong seed in crop rotation experiment sample ground, gathers in Conyza bonariensis (L.) Crong plant autumn, sample ground of turning over, is embedded in soil by Conyza bonariensis (L.) Crong plant pressure, digs kind of a plant hole, cave spacing 30cm after arranging sample ground, by rape seed sowing in cave;
(4) single experiment: the one piece of single experiment wherein of spring end does not plant Conyza bonariensis (L.) Crong in sample ground, and autumn then pulls out the weeds in sample ground, digs kind of a plant hole, cave spacing 30cm, by rape seed sowing in cave; Spring Mo only plants Conyza bonariensis (L.) Crong in another block single experiment sample ground, gathers in Conyza bonariensis (L.) Crong plant autumn, and sample ground of turning over, is embedded in soil by Conyza bonariensis (L.) Crong plant pressure, does not plant rape.
2. a kind of method reducing Absorption of Rape accumulation heavy metal according to claim 1, it is characterized in that: in described step (3) and (4), after the rape seed in kind plant hole is emerged, every cave retains 3 young plants.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410793543.3A CN104620804B (en) | 2014-12-20 | 2014-12-20 | Method for reducing absorbed and accumulated heavy metal of Brass napus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410793543.3A CN104620804B (en) | 2014-12-20 | 2014-12-20 | Method for reducing absorbed and accumulated heavy metal of Brass napus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104620804A true CN104620804A (en) | 2015-05-20 |
| CN104620804B CN104620804B (en) | 2017-01-11 |
Family
ID=53200460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410793543.3A Expired - Fee Related CN104620804B (en) | 2014-12-20 | 2014-12-20 | Method for reducing absorbed and accumulated heavy metal of Brass napus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104620804B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105940908A (en) * | 2016-05-07 | 2016-09-21 | 余贤祥 | Mixed planting method of lagopsis supine and oilseed rapes |
| CN106862265A (en) * | 2017-03-28 | 2017-06-20 | 湖南科技大学 | It is a kind of to reduce a kind of method that Absorption of Rape accumulates cadmium using thick leaf dwarf lilyturf |
| CN107838184A (en) * | 2017-11-12 | 2018-03-27 | 湖南科技大学 | A kind of method of ecology resistance control Absorption of Rape heavy metal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000279940A (en) * | 1999-03-30 | 2000-10-10 | Taiheiyo Cement Corp | Method for preventing elution of heavy metal from heavy metal-containing soil |
| CN101116865A (en) * | 2007-08-31 | 2008-02-06 | 浙江大学 | Method for producing and restoring vegetables growing in the heavy metal mildly-polluted soil |
| CN102144467A (en) * | 2010-12-16 | 2011-08-10 | 中国计量学院 | Method for remedying soil polluted with cadmium by using interplanting |
| CN103250539A (en) * | 2013-05-16 | 2013-08-21 | 农业部环境保护科研监测所 | Method for reducing absorption of cadmium by rape |
| CN103962369A (en) * | 2014-04-30 | 2014-08-06 | 中南林业科技大学 | Method for remedying heavy metal contaminated soil by energy plant configuration mode |
-
2014
- 2014-12-20 CN CN201410793543.3A patent/CN104620804B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000279940A (en) * | 1999-03-30 | 2000-10-10 | Taiheiyo Cement Corp | Method for preventing elution of heavy metal from heavy metal-containing soil |
| CN101116865A (en) * | 2007-08-31 | 2008-02-06 | 浙江大学 | Method for producing and restoring vegetables growing in the heavy metal mildly-polluted soil |
| CN102144467A (en) * | 2010-12-16 | 2011-08-10 | 中国计量学院 | Method for remedying soil polluted with cadmium by using interplanting |
| CN103250539A (en) * | 2013-05-16 | 2013-08-21 | 农业部环境保护科研监测所 | Method for reducing absorption of cadmium by rape |
| CN103962369A (en) * | 2014-04-30 | 2014-08-06 | 中南林业科技大学 | Method for remedying heavy metal contaminated soil by energy plant configuration mode |
Non-Patent Citations (3)
| Title |
|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105940908A (en) * | 2016-05-07 | 2016-09-21 | 余贤祥 | Mixed planting method of lagopsis supine and oilseed rapes |
| CN106862265A (en) * | 2017-03-28 | 2017-06-20 | 湖南科技大学 | It is a kind of to reduce a kind of method that Absorption of Rape accumulates cadmium using thick leaf dwarf lilyturf |
| CN107838184A (en) * | 2017-11-12 | 2018-03-27 | 湖南科技大学 | A kind of method of ecology resistance control Absorption of Rape heavy metal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104620804B (en) | 2017-01-11 |
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