CN102668764A - Method of soil improvement for alkaline limestone soil rice field in organic rice conversion period - Google Patents
Method of soil improvement for alkaline limestone soil rice field in organic rice conversion period Download PDFInfo
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- CN102668764A CN102668764A CN2012101665268A CN201210166526A CN102668764A CN 102668764 A CN102668764 A CN 102668764A CN 2012101665268 A CN2012101665268 A CN 2012101665268A CN 201210166526 A CN201210166526 A CN 201210166526A CN 102668764 A CN102668764 A CN 102668764A
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Abstract
The invention discloses a method of soil improvement for an alkaline limestone soil rice field in the organic rice conversion period. The method includes: firstly, draining field irrigation water in autumn after rice harvesting, evenly scattering 15-25kg of sulphur per mu of the rice field and 200-250kg biological organic fertilizer, ploughing the rice field by mechanical tilling or traditional cattle-powered tilling, and scattering one or many of milk vetch seed, smooth vetch seed, pea seed, radish seed, and rapeseed; secondly, during turning of green manure in spring the next year, scattering 1000-1500kg of biological organic fertilizer per mu first prior to mechanical tilling, allowing shallow water to exactly flood tilled soil, allowing fermentation for 15-25 days, and preparing the oil for cuttage of rice; and thirdly, repeating the former steps in autumn of each year and spring of the next year to stabilize soil pH value. By the method, the sulphur is subjected to biological oxidation to generate acid slowly, the green manure is subjected to biological anaerobic hydrolysis to generate acid, the biological organic fertilizer is subjected to biological oxidation to generate acid and chelate, and accordingly alkalinity of the soil is neutralized, the soil pH value is lowered, and dissolution of arsenic and aluminum in soil is avoided.
Description
Technical field
The present invention relates to a kind of method of in organic paddy rice is planted the transition period, utilizing sulphur, green manure and biological organic fertilizer comprehensive improvement rice field basic soil.
Background technology
Guilin is located in the west and south of southern mountain range mountain system, belongs to subtropical climate, has a moderate climate, and rainfall is abundant, and mean temperature of air is 16.2～19.9 ℃ for many years, average for many years total solar radiation 85.6-105.7 kJ/cm
2, average annual sunshine duration 1308～1664h, 5063～6677 ℃ of>=10 ℃ of accumulated temperature, average rainfall is at 1300～2000mm for many years, and illumination is sufficient, hot same season of rain, suitable paddy rice plantation; Geomorphic feature is a mountains low-to-middle in height, and big of the whole city is mountains low-to-middle in height and hills, and local is Plain, valley floor, river.Soil parent material source, Plain is comparatively wide, and soil layer is fertile, and heavy metal free pollutes, non agricultural chemical residuum; The river is along Plain, valley floor percolation and mistake, the long stream of annual clear water, and water resource is abundant, the multipotency gravity irrigation, irrigation water water quality is good; Plain periphery montane coverage rate is high, and state of ecological environment is good, and is with fresh air, very suitable organic paddy rice plantation.But the Guilin ' karst is grown, and local location rendzinas is grown, and causes rice field pH about 8.0, must carry out soil melioration, to satisfy the requirement of organic paddy rice plantation.
Summary of the invention
The objective of the invention is to utilize the biological agent of sulphur biological oxidation, green manure biofermentation and biological organic fertilizer, comprehensive improvement organic paddy rice growing area caustic lime soil, it is neutral that soil pH value is returned.
Concrete steps are following:
(1) in the fall behind the paddy rice harvesting; Drain irrigation of paddy fields water; 15～25kg sulphur is evenly sowed in every mu of rice field; Evenly sow simultaneously biological organic fertilizer 200～250kg, and adopt tractor-ploughing or traditional ox to plough cultivated rice field, after broadcast sowing in Chinese milk vetch, sweet potato, pea, radish and the rape seed one or more;
When (2) turning over green manure next spring, earlier biological organic fertilizer 1000～1500 kg are broadcasted sowing in every mu of rice field, after carry out tractor-ploughing and plough, shallow water promptly just floods arable soil, ferment 15～25 days, afterwards whole ground cuttage paddy rice;
(3) annual autumn and next spring repeat above-mentioned steps afterwards, with stable soil pH value;
Said sulphur is crude sulfur or mineral source sulphur;
Said green manure is one or more in Chinese milk vetch, sweet potato, pea, radish and the rape of planting autumn and winter;
Said biological organic fertilizer is one or more biological organic fertilizers through the ferment bacterium fermenting and producing in oil cake of flax seed, colza cake, oil tea cake, tung cake, rice bran (bran) and the edible fungi residues;
Said rice field is meant the organic paddy rice caustic lime soil property rice field of plantation transition period.
The invention has the advantages that:
(1) makes full use of biological oxidation product acid (the generation CO that the sulphur biological oxidation is slowly produced acid (producing sulfurous acid and sulfuric acid), green manure bio anaerobic hydrolysis product acid (producing acetate, propionic acid etc.) and biological organic fertilizer
2Or HCO
3 -, increase CaCO in the soil
3Solvability) and the huge legendary turtle cooperation with (in and OH
-), thereby the basicity in the sweetening of the soil reduces soil pH value, avoids the stripping of arsenic and aluminium in the soil.Simultaneously, element sulphur is as the important element of plant nutrition, uses in right amount to be beneficial to the synthetic growth with crop of phytoprotein.
(2) green manure crop is organic abundant, contains nutrients such as nitrogen, phosphorus, potassium and various trace elements.After green manure ploughs under soil, under action of microorganisms, constantly decompose, discharge the mass efficient nutrient, form humus, promote soil aggregate to form, improve the physical behavior of soil, improve soil water-retaining, protect fertilizer and feeder capability; The secretion of green manure crop in process of growth presses the back to decompose the reduction that the organic acid that produces helps soil pH with turning over, and can make phosphorus, the potassium of slightly solubility in the soil be converted into validity phosphorus, the potassium that crop can utilize.
(3) the alkaline soil inorganic colloid is many, soil compaction, and permeability is poor; Supply fertile slow, increase green manuring and biological organic fertilizer in a large number after, can significantly improve the organic matter and the action of microorganisms thereof of soil; Produce a large amount of secondary metabolites, promote soil aggregate to form, increase permeability; Accelerate the oxidation of sulphur and the reduction of pH, reach the purpose of improving the soil.In addition, functional microbial has formed dominant population around crop root, suppresses or the harmful growth of pathogenic bacteria breeding of antagonism, has alleviated crop the degree of disease takes place, and then played the purpose that increases output.
Description of drawings
Fig. 1 is a process chart of the present invention.
Embodiment
Embodiment:
Guangxi agricultural production enterprise has chartered the regional caustic lime soil rice field of karst tor for a long time, carries out organic seed rice and plants, and utilizes crude sulfur, green manure and biological organic fertilizer that the caustic lime soil rice field of transition period is improved.
(1) in the fall behind the paddy rice harvesting, drain irrigation of paddy fields water, 25kg sulphur is evenly sowed in every mu of rice field, evenly sows biological organic fertilizer 200kg simultaneously, and adopts the tractor-ploughing rice field of turning over, after broadcast sowing Chinese milk vetch, sweet potato and radish seed;
When turned over green manure spring in (2) the 2nd year, earlier biological organic fertilizer 1500 kg were broadcasted sowing in every mu of rice field, after carry out tractor-ploughing and plough, shallow water promptly just floods arable soil, ferment 20 days, afterwards whole ground cuttage paddy rice;
Said sulphur is crude sulfur;
Said green manure is Chinese milk vetch, sweet potato and the radish of plantation autumn and winter;
Said biological organic fertilizer is oil cake of flax seed, colza cake, oil tea cake and the rice bran biological organic fertilizer through the ferment bacterium fermenting and producing;
Through above-mentioned biological agent process, pH decreased 0.4 then, and the continuous pH value in rice field that made in 2 years drops to below 7.5, thereby reaches the green authentication of paddy rice plantation, the basic demand of organic authentication.
Claims (1)
1. the soil improvement method in caustic lime soil rice field is characterized in that concrete steps are:
(1) in the fall behind the paddy rice harvesting; Drain irrigation of paddy fields water; 15～25kg sulphur is evenly sowed in every mu of rice field; Evenly sow simultaneously biological organic fertilizer 200～250kg, and adopt tractor-ploughing or traditional ox to plough cultivated rice field, after broadcast sowing in Chinese milk vetch, sweet potato, pea, radish and the rape seed one or more;
When turned over green manure spring in (2) the 2nd year, earlier biological organic fertilizer 1000～1500 kg were broadcasted sowing in every mu of rice field, after carry out tractor-ploughing and plough, shallow water promptly just floods arable soil, ferment 15～25 days, afterwards whole ground cuttage paddy rice;
(3) annual autumn and next spring repeat above-mentioned steps afterwards, with stable soil pH value;
Said sulphur is crude sulfur or mineral source sulphur;
Said green manure is one or more in Chinese milk vetch, sweet potato, pea, radish and the rape of planting autumn and winter;
Said biological organic fertilizer is one or more biological organic fertilizers through the ferment bacterium fermenting and producing in oil cake of flax seed, colza cake, oil tea cake, tung cake, rice bran and the edible fungi residues;
Said rice field is meant the organic paddy rice caustic lime soil property rice field of plantation transition period.
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| CN2012101665268A CN102668764A (en) | 2012-05-28 | 2012-05-28 | Method of soil improvement for alkaline limestone soil rice field in organic rice conversion period |
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| CN2012101665268A CN102668764A (en) | 2012-05-28 | 2012-05-28 | Method of soil improvement for alkaline limestone soil rice field in organic rice conversion period |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103460952A (en) * | 2013-09-23 | 2013-12-25 | 湖南省土壤肥料研究所 | Method of performing mixed sowing of astragalus sinicus and oilseed rape and returning green manures to field |
| CN104322236A (en) * | 2014-08-28 | 2015-02-04 | 湖北双竹生态食品开发股份有限公司 | Organic rice field fertility improvement integrated method |
| CN106376406A (en) * | 2016-08-25 | 2017-02-08 | 隆回县发达富硒农业发展有限公司 | Organic selenium rich rice plantation method |
| CN106922244A (en) * | 2017-03-15 | 2017-07-07 | 中交第三公路工程局有限公司 | Water-retaining method is planted in roadside greening |
| CN110199806A (en) * | 2019-07-12 | 2019-09-06 | 湖南人文科技学院 | A kind of paddy machinery direct-sowing cultivating method |
| CN110603923A (en) * | 2019-09-25 | 2019-12-24 | 正大农业科技(浙江)有限公司 | Biological improvement method for saline-alkali soil |
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| CN1854244A (en) * | 2005-04-18 | 2006-11-01 | 张学英 | Production of rice soil conditioner used on vegetative salt alkaline land |
| CN101659869A (en) * | 2009-09-16 | 2010-03-03 | 黑龙江省农科院农村能源研究所 | Special organic compound modifier used in carbonate-type paddy fields and preparation method thereof |
| RU2415557C2 (en) * | 2009-04-24 | 2011-04-10 | Государственное научное учреждение Прикаспийский научно-исследовательский институт аридного земледелия Российской академии сельскохозяйственных наук | Method of vegetative reclamation of secondary salinisation lands |
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| RU2415557C2 (en) * | 2009-04-24 | 2011-04-10 | Государственное научное учреждение Прикаспийский научно-исследовательский институт аридного земледелия Российской академии сельскохозяйственных наук | Method of vegetative reclamation of secondary salinisation lands |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103460952A (en) * | 2013-09-23 | 2013-12-25 | 湖南省土壤肥料研究所 | Method of performing mixed sowing of astragalus sinicus and oilseed rape and returning green manures to field |
| CN104322236A (en) * | 2014-08-28 | 2015-02-04 | 湖北双竹生态食品开发股份有限公司 | Organic rice field fertility improvement integrated method |
| CN106376406A (en) * | 2016-08-25 | 2017-02-08 | 隆回县发达富硒农业发展有限公司 | Organic selenium rich rice plantation method |
| CN106922244A (en) * | 2017-03-15 | 2017-07-07 | 中交第三公路工程局有限公司 | Water-retaining method is planted in roadside greening |
| CN110199806A (en) * | 2019-07-12 | 2019-09-06 | 湖南人文科技学院 | A kind of paddy machinery direct-sowing cultivating method |
| CN110603923A (en) * | 2019-09-25 | 2019-12-24 | 正大农业科技(浙江)有限公司 | Biological improvement method for saline-alkali soil |
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Application publication date: 20120919 |