CN103125252B - Technique for restoring soil fertility of newly reclaimed farmland by means of winter frozen upturned soil and sugar sorghum turnover - Google Patents
Technique for restoring soil fertility of newly reclaimed farmland by means of winter frozen upturned soil and sugar sorghum turnover Download PDFInfo
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- CN103125252B CN103125252B CN201310085334.9A CN201310085334A CN103125252B CN 103125252 B CN103125252 B CN 103125252B CN 201310085334 A CN201310085334 A CN 201310085334A CN 103125252 B CN103125252 B CN 103125252B
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Abstract
The invention discloses a technique for restoring soil fertility of newly reclaimed farmland by means of winter frozen upturned soil and sugar sorghum turnover, and relates to the field of soil fertility modification. In the newly reclaimed farmland, the soil is enabled to be loose through the winter frozen upturned soil, then the sugar sorghum is planted, and plant corpus is returned to the farmland. After the technique is carried out for three continuous years, soil organic matter can be largely increased, the physico-chemical state of the farmland soil is improved, the soil fertility is rapidly improved, and the productive forces of the farmland are restored.
Description
Technical field
Freeze upturned soil+sugared Chinese sorghum method that also newly-ploughed agricultural land soil fertility is repaired in field a kind of winter and relate to the technology of repairing new Cropland soil fertility in soil fertility transformation field.
Background technology
Current in China rural area, the scattered farmland of many peasant households puts together by the mode of Land Replacement, then carries out mechanical planarization and becomes the farmland of bulk.Through so smooth, change the original landform shape in farmland, destroy the original soil structure in farmland, original low-lying place is filled and led up by a large amount of immature soil, the soil of the slaking topsoil in original higher place is pushed away away completely, exposes the tillage pan in farmland, even substratum.The farmland of this new reclamation of wasteland, soil fertility degradation, the gas permeability that shows soil is poor, bad hydraulic permeability, soil fertility is low, the content of organic matter is low, edaphon is few, the agroecological environment of soil is severe, the production capacity in farmland is seriously damaged, and need to take the effective method reparation of fostering and apply fertilizer.
Summary of the invention
The object of the invention is to set up the restorative procedure of fostering and apply fertilizer of the newly-ploughed agricultural land soil that a kind of biotechnology combines with tillage control measure.
The present invention is achieved in that
1. freeze upturned soil+sugared Chinese sorghum method that also newly-ploughed agricultural land soil fertility is repaired in field in winter and comprise that deep ploughing freezes upturneds soil, kind plantiose Chinese sorghum, straw-returning, it is characterized in that adopting the farming cropping system of freezing upturned soil+sugared Chinese sorghum winter, carry out the also agronomic measures in field of sugared Chinese sorghum complete stool, accelerate the reparation of fostering and apply fertilizer of newly-ploughed agricultural land soil.
2. freeze winter upturned soil+sugared Chinese sorghum method that also newly-ploughed agricultural land soil fertility is repaired in field comprise 1. deep ploughing before the winter, 2. survive the winter freeze upturneds soil, 3. sugared Chinese sorghum plantation, 4. sugared Chinese sorghum is pulverized and covers a blue or green field, totally 4 steps of going back.
Step 1. before the winter way of deep ploughing be: with turnplow by soil before the winter, utilize soil moisture should plough phase chance before, the 25-35cm that deep ploughs, ploughs into field soil the upturned soil piece of growing up.
4. the step way of freezing upturned soil of 2. surviving the winter is:
1) utilize sleet and the low temperature in winter, upturned soil piece weathering in alternate freezing and thawing that has ploughed in field is pulverized, make soil become loose;
2), in the winter time in the situation of arid, can before strong cold air arrive, water and run through upturned soil piece.
5. the step way that 3. sugared Chinese sorghum is planted is:
1) select vegetative period long, plant is tall and big, all high sugared sorghum varieties of biological yield and grain yield;
2) sugared Chinese sorghum sowing in spring, also field of results in autumn;
3) before sowing, use N-P for the first time
2o
5-K
20 makes base manure for the Nitrogen, Phosphorus and Potassium 100-200kg/ mu of 18-18-18, and before rear twice sowing, base manure consumption is 30-80kg/ mu;
4) shooting stage imposes urea 10-20kg/ mu.
Step 4. sugared Chinese sorghum pulverize and cover the blue or green also way in field and be:
1) after sugared sorghum seed maturation, with stalk crasher, sugared sorghum plant is pulverized on the spot together with fringe portion seed, be sprinkling upon equably on ground, field;
2) the plain 30-80kg/ mu of pissing on the ground;
3) green grass or young crops is covered in machinery deep ploughing, and the stalk of pulverizing is covered and placed into the soil.
7. will freeze upturned soil+sugared Chinese sorghum farming cropping pattern winter carries out 3 years continuously.
Beneficial effect of the present invention: for the farmland of the new reclamation of wasteland, the particularly previous larger farmland of discrepancy in elevation fluctuation ratio, field, often needs smoothly in advance, and flat height is filled out low.The topsoil structure that its direct result causing is agricultural land soil is seriously damaged, and original lower has been piled up a large amount of immature soil, and original eminence has been pushed away away the topsoil soils of suitable farming, has exposed tillage pan or even substratum.This field earth is ventilative, water permeability is poor, and soil property is hard, and fertility level is low, and agroecological environment is severe, belongs to serious barren soil, and general crops are difficult to growth, need to carry out the fertility reparation of newly cultivated soil.
While planting plantiose Chinese sorghum after the beginning of spring, enrich that fertilizer, root system intert, straw-returning, the decomposition of becoming thoroughly decomposed, increase the organic matter of soil, increase beneficial microorganism activity, thereby improve the fertilizer conservation water conservation of soil, the ability that fertilizer supplies water, through above transformation and the reparation of 2-3 continuously, field there will be following useful variation:
1. soil layer is deep: in the time of farming for the first time, deep plough, tilth reaches 25-35cm, and later each farming all requires to reach this standard, forms fertile deep plough horizon.
2. loosing soil is ventilative: cold northern area in the winter time, be difficult to the green manure crop that plantation survives the winter soil fertility is transformed, but the cold in the north but can directly be used for the stiff immature soil in the new Cropland of weathering.Upturned soil piece in field is in moisture sufficient situation, in severe cold, can make the moisture of soil viscous intergranular freeze, produce the strong bulbs of pressure at inside soil body, can destroy the adhesion of the inner soil body particle of the immature soil, melt air-dry rear upturned soil piece disintegration and become less agglomerate, under the effect of alternate freezing and thawing repeatedly, large soil upturned soil piece has just become very loose granule in small, broken bits, becomes the tillable soil body in the winter time.
3. fertility abundance: in field heavy dressing, for plant growth is established sufficient material base.Particularly between sugared sorghum field, composite fertilizer's consumption of base manure, up to 100-200kg/ mu/mu, for the growth of sugared Chinese sorghum provides sufficient exogenous nutrition supply, is also deposited the end for soil provides sufficient nutrient for the first time.
4. rehabilitation plant productivity is powerful: sugared Chinese sorghum has well developed root system, quick silver ability, and plant is tall and big, and absorbing capacity is strong, and biological yield is high, more than the fresh grass of per mu yield can reach 5000kg/ mu, more than grain yield can reach 300kg/ mu.Sugar Chinese sorghum also has the feature that drought resistance is strong, across the spring and summer autumn, can make full use of the most abundant period of annual photo-thermal resource in its vegetative period, be field run-up organic substance, cover green grass or young crops and also behind field, can produce more organic matter, the reparation that is conducive to soil fertility improves; Sugar Chinese sorghum is pulverized and covers green grass or young crops to kernel maturity stage, can make the biological yield of sugared Chinese sorghum maximize, and the organic recurrence in field also maximizes.
5. straw decomposition is fast.After each crushed stalk, cover blue or green also field and all spread fertilizer over the fields urea in field before, regulate the C/N ratio of soil input material, be conducive to the vigorous propagation of microorganism, accelerate the rotten decomposition of stalk, accelerate the speed of fostering and apply fertilizer of soil fertility.
Yangze river and Huai river and northern area thereof that the present invention is suitable for China are used.
Embodiment:
Below in conjunction with embodiment, the present invention is conducted further description.
Freeze winter upturned soil+sugared Chinese sorghum method that also newly-ploughed agricultural land soil fertility is repaired in field comprise 1. deep ploughing before the winter, 2. survive the winter freeze upturneds soil, 3. sugared Chinese sorghum plantation, 4. sugared Chinese sorghum is pulverized and covers a blue or green field, totally 4 steps of going back.
1. before the winter, the way of deep ploughing is: with turnplow by soil before the winter, utilize soil moisture should plough phase chance before, the 35cm that deep ploughs, ploughs into field soil the upturned soil piece of growing up.
2. the way of freezing upturned soil of surviving the winter is:
1) utilize sleet and the low temperature in winter, upturned soil piece weathering in alternate freezing and thawing that has ploughed in field is pulverized, make soil become loose;
2), in the winter time in the situation of arid, can before strong cold air arrive, water and run through upturned soil piece.
3. the way of sugared Chinese sorghum plantation is:
1) select vegetative period long, plant is tall and big, all high sugared sorghum varieties of biological yield and grain yield;
2) sugared Chinese sorghum sowing in spring, also field of results in autumn;
3) before sowing, use N-P for the first time
2o
5-K
20 makes base manure for the Nitrogen, Phosphorus and Potassium 150kg/ mu of 18-18-18, and before rear twice sowing, base manure consumption is 40kg/ mu;
4) shooting stage imposes urea 15kg/ mu.
4. sugared Chinese sorghum is pulverized and covers green grass or young crops and the way in field is:
1) after sugared sorghum seed maturation, with stalk crasher, sugared sorghum plant is pulverized on the spot together with fringe portion seed, be sprinkling upon equably on ground, field;
2) the plain 40kg/ mu of pissing on the ground;
3) green grass or young crops is covered in machinery deep ploughing, and the stalk of pulverizing is covered and placed into the soil.
To freeze upturned soil+sugared Chinese sorghum farming cropping pattern winter and carry out continuously 3 years, can increase considerably soil fertility, improve the production capacity in soil.
Claims (2)
1. freeze upturned soil+sugared Chinese sorghum winter and also repair the method for newly-ploughed agricultural land soil fertility in field, it is characterized in that it comprises surviving the winter in deep ploughing before (1) winter, (2) and freezes upturneds soil, (3) sugared Chinese sorghum plantation, (4) sugared Chinese sorghum and pulverize and cover blue or green 4, the field step of going back:
(1) before the winter, the way of deep ploughing is: with turnplow by soil before the winter, utilize soil moisture should plough phase chance before, the 25-35cm that deep ploughs, ploughs into field soil the upturned soil piece of growing up;
(2) way of freezing upturned soil of surviving the winter is:
1. utilize sleet and the low temperature in winter, upturned soil piece weathering in alternate freezing and thawing that has ploughed in field is pulverized, make soil become loose;
2. in the winter time in the situation of arid, before strong cold air arrives, water and run through upturned soil piece;
(3) way of sugared Chinese sorghum plantation is:
1. select vegetative period long, plant is tall and big, all high sugared sorghum varieties of biological yield and grain yield;
2. sugared Chinese sorghum sowing in spring, also field of results in autumn;
3. before sowing, use N-P for the first time
2o
5-K
20 makes base manure for the Nitrogen, Phosphorus and Potassium 100-200kg/ mu of 18-18-18, and before rear twice sowing, base manure consumption is 30-80kg/ mu;
4. the shooting stage imposes urea 10-20kg/ mu;
(4) sugared Chinese sorghum is pulverized and covers green grass or young crops and the way in field is:
1. after sugared sorghum seed maturation, with stalk crasher, sugared sorghum plant is pulverized on the spot together with fringe portion seed, be sprinkling upon equably on ground, field;
2. the plain 30-80kg/ mu of pissing on the ground;
3. green grass or young crops is covered in machinery deep ploughing, and the stalk of pulverizing is covered and placed into the soil.
2. the method for the newly-ploughed agricultural land soil fertility of reparation according to claim 1, is characterized in that, carries out continuously 3 years freezing upturned soil+sugared Chinese sorghum farming cropping pattern described winter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085334.9A CN103125252B (en) | 2013-03-18 | 2013-03-18 | Technique for restoring soil fertility of newly reclaimed farmland by means of winter frozen upturned soil and sugar sorghum turnover |
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| CN201310085334.9A CN103125252B (en) | 2013-03-18 | 2013-03-18 | Technique for restoring soil fertility of newly reclaimed farmland by means of winter frozen upturned soil and sugar sorghum turnover |
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| CN103125252A CN103125252A (en) | 2013-06-05 |
| CN103125252B true CN103125252B (en) | 2014-06-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107683748A (en) * | 2016-08-06 | 2018-02-13 | 张如裕 | A kind of hillside plants pumpkin high yield technique |
| CN111492876B (en) * | 2020-04-17 | 2022-07-15 | 山东省林业科学研究院 | Forest and grass optimal configuration method for repairing middle-age and young-age degenerated protection forest in saline-alkali soil |
| CN114287193B (en) * | 2022-01-14 | 2023-04-14 | 中国水稻研究所 | Straw returning method suitable for northern cold areas |
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