CN109315246A - A kind of cultural method improving salt-soda soil millet seedling stage coverage - Google Patents
A kind of cultural method improving salt-soda soil millet seedling stage coverage Download PDFInfo
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- CN109315246A CN109315246A CN201811457504.0A CN201811457504A CN109315246A CN 109315246 A CN109315246 A CN 109315246A CN 201811457504 A CN201811457504 A CN 201811457504A CN 109315246 A CN109315246 A CN 109315246A
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- millet
- seedling stage
- salt
- soda soil
- herbicide resistance
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
Abstract
The present invention provides a kind of cultural methods for improving salt-soda soil millet seedling stage coverage, millet is planted in salt-soda soil, preseeding irrigation hydraulic pressure salt, sow herbicide resistance foxtail millet kind and not herbicide resistance foxtail millet kind, herbicide resistance foxtail millet kind and the not interlacing of herbicide resistance foxtail millet kind are planted, when rainy season arrives, herbicide spraying kills not herbicide resistance foxtail millet kind seedling.Method provided by the invention, interlacing plantation, reduces line-spacing, improves the coverage in seedling stage, it can increase soil moisture content, reduce the soil moisture and conductivity, reduce salt-soda soil harm, improve leaf area index and extinction coefficient, the percentage of earbearing tiller is effectively improved, mu spike number is increased, improves yield.This method is simple and easy, and cost is relatively low, convenient for promoting.
Description
Technical field
The present invention relates to arable farming fields, and in particular to a kind of cultivation side for improving salt-soda soil millet seedling stage coverage
Method.
Background technique
Salt damage is the important limiting factor for influencing plant growth and development, and there are about 30% or so soil by salination in the whole world
It influences, and is in the trend of cumulative year after year.Delta Region of The Yellow River is the important grain production bases in China, but this area has greatly
The Saline and saline-alkali wasteland of amount affect growth and development, the yield and quality of crop, therefore, how to develop the resistance to of crop
Salt cropping pattern has great importance for developing, using the sustainable development in salt-soda soil and promotion China's agricultural.
Millet is initiated by the traditional grain crop of China, has stronger resistance of reverse, nutritive value is higher, the people's
It plays an important role in dietetic life.In recent years, with the raising of Millet Breeding level, the yield and quality of millet is obtained
It steps up, while the cultivation that the application of antiweed (Sethoxydin) Millet Variety gently simplifies for millet provides important guarantor
Barrier.
The production of Delta Region of The Yellow River summer crop generally uses preseeding irrigation hydraulic pressure salt, thus make crop germination and emergence,
But to before rainy season set after seedling, as there is the accumulation of salt in the surface soil in the raising of evaporation capacity, it is suppressed that the growth and development of crops seedling stage, shape
At dead seedling, bad seedling, so that the disconnected ridge that is short of seedling is formed, the final yield for influencing crop.Therefore, how not influence to make on salt-soda soil
The coverage that seedling stage is improved in the case where object seedling growth, reduces evaporation capacity, the accumulation of salt in the surface soil is reduced, to mitigate salt damage to the danger in seedling stage
Evil is a major issue for needing to solve on salt-soda soil.
Summary of the invention
To solve the deficiency in the prior art, inventor has been invented a kind of quick by the millet experiment in cultivation on salt-soda soil
Improve the cultural method of millet seedling stage coverage.
The present invention is achieved by the following technical solutions:
The present invention provides a kind of cultural methods for improving salt-soda soil millet seedling stage coverage, millet are planted in salt-soda soil, before broadcasting
It pours water and presses salt, sow herbicide resistance foxtail millet kind and not herbicide resistance foxtail millet kind, herbicide resistance foxtail millet kind and not anti-weeding
Agent millet variety is reduceed the row-spacing interlacing plantation, and when rainy season arrives, herbicide spraying is killed except not herbicide resistance foxtail millet kind seedling, extensive
The multiple normal line-spacing of millet.
Preferably, the not herbicide resistance foxtail millet kind is the good kind of seedling stage growing way.
Preferably, line-spacing 20cm ~ 25cm, spacing in the rows 2.9cm ~ 3.7cm when millet is sowed, 9.0 ten thousand plants/acre of seedling stage density.
It is furthermore preferred that line-spacing 20cm, spacing in the rows 3.7cm when millet is sowed.
Preferably, the herbicide resistance foxtail millet kind is Ji paddy 16.
Preferably, the herbicide resistance foxtail millet kind antiweed Sethoxydin.
The paddy 18 it is furthermore preferred that the not herbicide resistance foxtail millet kind is helped.
It is furthermore preferred that the salt-soda soil is Delta Region of The Yellow River salt-soda soil.
The beneficial effects of the present invention are: method provided by the invention, interlacing plantation, reduce line-spacing, improve covering for seedling stage
Cover degree can increase soil moisture content, and reduce the soil moisture and conductivity, reduce salt-soda soil harm, improve leaf area index and
Extinction coefficient effectively improves the percentage of earbearing tiller, increases mu spike number, improves yield.This method is simple and easy, and cost is relatively low, convenient for promoting.
Detailed description of the invention
Fig. 1 is experimental cultivation ideograph.
Fig. 2 is 0-10cm soil moisture content and temperature.
Fig. 3 is 0-10cm soil conductivity.
Fig. 4 is different disposal canopy leaf area index.
Fig. 5 is different disposal canopy extinction coefficient.
Fig. 6 is the variation of different disposal seedling stage Weight per plant.
Fig. 7 is the variation of different disposal seedling stage water content.
Fig. 8 is different disposal Basic Seedling and mu spike number.
Fig. 9 is the different disposal percentage of earbearing tiller.
Figure 10 is the millet spike weight and paddy rate out of different disposal.
Figure 11 is the millet yield of different disposal.
Specific embodiment
Embodiment 1
1 test material
Help paddy 16(antiweed Sethoxydin) and the good kind of seedling stage growing way help paddy 18(not antiweed Sethoxydin).
The design of 2 test process
Planting experiment is carried out in remittance nation, the two places Guang Bei.
It is arranged five kinds of processing modes (see Fig. 1, table 1), distance between rows and hills 40cm ' 3.70cm (Ji paddy 16), T2 processing in T1 processing
Middle distance between rows and hills 20cm ' 3.70cm (Ji paddy 16+ help paddy 18), distance between rows and hills 50cm ' 2.96cm (Ji paddy 16) in T3 processing, T4 processing
Middle distance between rows and hills 25cm ' 2.96cm (Ji paddy 16+ help paddy 18), distance between rows and hills 30cm ' 4.90cm (Ji paddy 16) in T5 processing.
After T2 and T4 processing emergence 30d, Sethoxydin is sprayed, Ji paddy 18 is killed.Every wide 6m of cell, long 15m, plot area
90 m2, every processing is repeated 3 times.
1 experimental design of table
| Processing | Kind | Seeding row spacing (cm) | Every meter of strain number | Seedling stage density | Maturity period density |
| T1 | Ji paddy 16 | 40´3.7 | 27 | 4.5 ten thousand plants/acre | 4.5 ten thousand plants/acre |
| T2 | Ji paddy 16+ Ji paddy 18 | 20´3.7 | 27 | 9.0 ten thousand plants/acre | 4.5 ten thousand plants/acre |
| T3 | Ji paddy 16 | 50´2.9 | 34 | 4.5 ten thousand plants/acre | 4.5 ten thousand plants/acre |
| T4 | Ji paddy 16+ Ji paddy 18 | 25´2.9 | 34 | 9.0 ten thousand plants/acre | 4.5 ten thousand plants/acre |
| T5 | Ji paddy 16 | 30´4.9 | 20 | 4.5 ten thousand plants/acre | 4.5 ten thousand plants/acre |
3 samplings and measuring method
3.1 soil moistures, water content and conductance measurement
20 days after spend, the water content of the HH2 Moisture Meter moisture teller measurement 0-10cm soil produced with Britain,
Temperature and conductivity.
The measurement of 3.2 canopy structures
20 days after spending, the portable canopy analysis LP-80 measurement leaf area index, carry-over factor and the delustring system that are produced with the U.S.
Number.
The measurement of 3.3 basic seedling amounts and biomass
20 days after spending, the measurement of basic seedling amount is carried out, is sampled simultaneously, takes 3 repetitions, it is every to repeat 10 plants of sampling, it carries out
Fresh weight weighing is placed on 70 DEG C drying to constant weight weighing.Carry out the calculating of water content simultaneously: water content (%)=(strain fresh weight-strain is dry
Weight)/strain fresh weight × 100%
The calculating of 3.4 mu of spike numbers and the percentage of earbearing tiller
In the maturity period, the measurement of mu spike number is carried out, while carrying out the calculating of the percentage of earbearing tiller:
The percentage of earbearing tiller (%)=mu spike number/basic seedling amount × 100%
4, test result
The variation of 4.1 soil moisture contents, temperature and conductivity
As shown in Figure 2, the water content of soil has differences under different disposal, the soil moisture content highest under being handled with T2
(32.8%), T4 processing is taken second place (30.3%), and other three processing are all remarkably higher than.Temperature in soil is shown with moisture content
Opposite trend, substantially less than T1 and T3 processing minimum with T2 and T4 processing.Conductivity can accurately reflect the saliferous in soil
Amount, from the figure 3, it may be seen that the conductivity of T2 and T4 processing is minimum, substantially less than other processing handle highest with T3.Show to reduce paddy
Sub-line reduces the temperature and conductivity of soil away from that can effectively improve the water content in soil with raising coverage.
The variation of 4.2 different disposal canopy structures
As shown in Figure 4, there are significant changes for the leaf area index of different disposal, handle highest with T2, T4 and T5 processing are taken second place, T1
It is minimum with T3 processing, show effectively improve leaf area index by the coverage for improving seedling stage.The carry-over factor of canopy and
The canopy structure of extinction coefficient energy effecting reaction group.Extinction coefficient variation and the leaf area index respectively handled shows same trend
(Fig. 5) handles highest with T2, and T4 and T5 processing are taken second place, and T1 and T3 processing is significantly higher than；The carry-over factor respectively handled and delustring system
Number shows opposite trend, handles highest with T3, and T1 takes second place, and is significantly higher than other processing.Show by improving covering for group
Cover degree can reduce the carry-over factor of light, reduce soil moisture volatilization, meet the variation of soil moisture content.
The variation of 4.3 different disposal Seedling stage Biomass
It will be appreciated from fig. 6 that two experimental field descend total dry weight and fresh weight to show identical trend, highest is handled with T3 and T1, is shown
It writes and is higher than other parts processing, comparing difference is not significant between other processing.Show that increasing density reduces the single plant biology in seedling stage
Amount.As shown in Figure 7, two experimental field under the conditions of, the change of moisture content trend of seedling stage single plant is inconsistent, converge nation experimental field under with T2
Handle it is minimum, without significant difference between other processing；Wide north experimental field, highest is handled with T4 and T5, is significantly higher than other processing.
4.4 different disposal mu spike numbers and the percentage of earbearing tiller
As shown in Figure 8 two experimental field under the conditions of Basic Seedling variation it is not significant, except it is wide north experimental field T3 processing in addition to, between other processing
Without significant difference.The mu spike number respectively handled experimental field shows down identical trend two, handles highest, T1 and T4 with T2 and T5
Processing is taken second place, and T3 processing is minimum.The percentage of earbearing tiller respectively handled as shown in Figure 9 experimental field shows down different trend two, is converging
Nation experimental field, with T2, T4 and T5 handles highest, is significantly higher than T3 processing；Highest is experimental field handled with T2 and T4 in wide north, at T5
Reason is taken second place, and T1 and T3 processing are minimum.Show that the coverage by increasing seedling stage and reduction line-spacing can effectively improve the percentage of earbearing tiller.
4.5 different disposal yield and its components
Two experimental field under the conditions of, the spike weight of different disposal shows different variation tendencies (Figure 10).Nation converging experimental field, with
T1 and T3 handles highest, is significantly higher than other processing, and T5 processing is minimum；Highest is experimental field handled with T1, T3 and T4 extensively northern,
It is all remarkably higher than T5 processing.Each processing two experimental field lower paddy rate out without significant difference.Show to reduce line-spacing (T5) spike weight
It is smaller (T2 and T4) that the coverage spike weight for significantly reducing, but improving seedling stage reduces amplitude.Two experimental field under, the yield that respectively handles
Highest is handled with T2, T4 processing is taken second place, and T5 handles minimum (Figure 11).Show to significantly improve by the coverage for improving seedling stage
Millet yield.
5 conclusion (of pressure testing)s
5.1 the coverage and reduction line-spacing by improving seedling stage can increase soil moisture content, the soil moisture and conductance are reduced
Rate.
5.2 can improve leaf area index and extinction coefficient by improving the coverage in seedling stage and reducing line-spacing.
5.3 reduce seedling stage biomass of individual tree by improving the coverage in seedling stage and reducing line-spacing, but influence not on water content
Significantly.
5.4 can effectively improve the percentage of earbearing tiller by improving the coverage in seedling stage and reducing line-spacing, increase mu spike number, with seedling stage
Coverage amplification is maximum.
Though 5.5 reduce fringe weight by improving the coverage in seedling stage, a mu spike number is improved, to finally improve yield.
Claims (8)
1. a kind of cultural method for improving salt-soda soil millet seedling stage coverage, it is characterised in that: millet is planted in salt-soda soil, before broadcasting
It pours water and presses salt, sow herbicide resistance foxtail millet kind and not herbicide resistance foxtail millet kind, herbicide resistance foxtail millet kind and not anti-weeding
Agent millet variety interlacing plantation, reduces the row-spacing, and when rainy season arrives, herbicide spraying kills not herbicide resistance foxtail millet kind seedling,
Restore normal line-spacing.
2. a kind of cultural method for improving salt-soda soil millet seedling stage coverage according to claim 1, it is characterised in that: described
Herbicide resistance foxtail millet kind is not the good kind of seedling stage growing way.
3. a kind of cultural method for improving salt-soda soil millet seedling stage coverage according to claim 1, it is characterised in that: millet
Line-spacing 20cm ~ 25cm when sowing, spacing in the rows 2.9cm ~ 3.7cm, 9.0 ten thousand plants/acre of seedling stage density.
4. a kind of cultural method for improving salt-soda soil millet seedling stage coverage according to claim 3, it is characterised in that: millet
Line-spacing 20cm when sowing, spacing in the rows 3.7cm.
5. a kind of cultural method for improving salt-soda soil millet seedling stage coverage according to claim 1, it is characterised in that: described
Herbicide resistance foxtail millet kind is autonomous property right herbicide resistance foxtail millet kind Ji paddy 16.
6. a kind of cultural method for improving salt-soda soil millet seedling stage coverage according to claim 5, it is characterised in that: described
Herbicide resistance foxtail millet kind antiweed Sethoxydin.
7. a kind of cultural method for improving salt-soda soil millet seedling stage coverage according to claim 6, it is characterised in that: described
Herbicide resistance foxtail millet kind is not the preferable millet variety Ji paddy 18 of seedling stage growing way of autonomous property right.
8. any one of -7 a kind of cultural method for improving salt-soda soil millet seedling stage coverage according to claim 1, feature
Be: the salt-soda soil is Delta Region of The Yellow River salt-soda soil.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101904264A (en) * | 2010-07-22 | 2010-12-08 | 中国科学院东北地理与农业生态研究所 | Method for cultivating millets in light saline-alkali cultivated land |
| CN104996143A (en) * | 2015-07-17 | 2015-10-28 | 河北省农林科学院旱作农业研究所 | Method for performing segmented seedling thinning on millet by use of herbicide |
| CN108812123A (en) * | 2018-05-23 | 2018-11-16 | 河北省农林科学院旱作农业研究所 | Salt-soda soil millet cultivates cultivation method |
-
2018
- 2018-11-30 CN CN201811457504.0A patent/CN109315246A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101904264A (en) * | 2010-07-22 | 2010-12-08 | 中国科学院东北地理与农业生态研究所 | Method for cultivating millets in light saline-alkali cultivated land |
| CN104996143A (en) * | 2015-07-17 | 2015-10-28 | 河北省农林科学院旱作农业研究所 | Method for performing segmented seedling thinning on millet by use of herbicide |
| CN108812123A (en) * | 2018-05-23 | 2018-11-16 | 河北省农林科学院旱作农业研究所 | Salt-soda soil millet cultivates cultivation method |
Non-Patent Citations (4)
| Title |
|---|
| 丛新军 等: "播期对济谷16农艺性状、产量及品质的影响", 《山东农业科学》 * |
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