CN105248207A - Selenium-enriched rice planting method - Google Patents
Selenium-enriched rice planting method Download PDFInfo
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- CN105248207A CN105248207A CN201510695978.9A CN201510695978A CN105248207A CN 105248207 A CN105248207 A CN 105248207A CN 201510695978 A CN201510695978 A CN 201510695978A CN 105248207 A CN105248207 A CN 105248207A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
- A01G22/22—Rice
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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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- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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Abstract
The invention discloses a selenium-enriched rice planting method. The method comprises the following steps: S1, pretreating a rice field; S2, transplanting rice seedlings; S3, fertilizing during tillering: 7-9 days after transplanting the seedlings, keeping the water depth in the rice field to be 8-10 cm, and applying 100-120 kg of a mixed fertilizer per mu, wherein the mixed fertilizer includes the following raw materials in parts by weight: 100-165 parts of an organic fertilizer, 60-90 parts of an inorganic fertilizer, 3-5 parts of chitosan, 8-12 parts of croton powder, and 15-25 parts of a coating material; S4, fertilizing during full heading: after the seedlings are full in heading, keeping the water depth in the rice field to be 8-10 cm, dressing 3-4 kg of urea per mu, and spraying 40-180 kg of an aqueous solution of an organic selenium fertilizer per mu, wherein the weight ratio of the organic selenium fertilizer to water is 1: (400-600); the content of selenium in the organic selenium fertilizer is 0.1-0.3 mg/kg; S5, harvesting. The rice planted by adopting the method provided by the invention is high in selenium content and good in quality.
Description
Technical field
The present invention relates to Rice Cropping technical field, particularly relate to a kind of implantation methods of selenium-rich rice.
Background technology
Selenium is very important trace element in ecotope, present medical evidence, lacks selenium relevant with various diseases.China 72% area is in scarce selenium, low selenium band, and soil lacks selenium and causes the selenium element nutrition of China's farming and animal husbandry generally not enough, and thus the Selenium In Foods content of people is on the low side, and the deficiency of selenium intake drastically influence the healthy of people.
Human body mends selenium two kinds of modes: one is directly take inorganic selenium; Two is many edible food or drinks being rich in Organic Selenium.Inorganic selenium absorption ratio is low, and has certain toxicity; Selenium product is mended in market selenomethionine, Se rich tea, product containing organic selenium and selenium rich of egg etc., and these product prices are more expensive, can not meet people and mend selenium needs.
Rice plays very important role in the staple food of the mankind, and the height of its selenium content is closely related with human body selemium nutrition situation.Large Miyi storage, can long-term sales, people can eat selenium-rich rice for a long time, make benefit selenium can be more lasting, effect more obviously, therefore needs the implantation methods providing a kind of selenium-rich rice badly.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of implantation methods of selenium-rich rice, the present invention plant that the paddy rice selenium constituent content obtained is high, quality better, and fertilising is reasonable.
The implantation methods of a kind of selenium-rich rice that the present invention proposes, comprises the steps:
S1, rice field pretreatment: choose kind of the field being implanted with Chinese milk vetch, carry out green manuring, pour water, retting, rotary tillage is raked, point ridge;
S2, rice transplanting: after the pretreatment of rice field, keep the rice field depth of water to be 8-10cm, every mu of rice field arranges a frequency ventilating type insecticidal lamp, carries out rice transplanting, and the density of rice shoot is 1.6-1.8 ten thousand caves/mu;
S3, fertilising of tillering: after rice transplanting 7-9 days, the rice field depth of water is kept to be 8-10cm, every mu applies 100-120kg mixed fertilizer, wherein the raw material of mixed fertilizer comprises by weight: organic manure 100-165 part, inorganic fertilizer 60-90 part, shitosan 3-5 part, crotons powder 8-12 part, coated fertilizer 15-25 part;
S4, Qi Sui apply fertilizer: after the neat fringe of rice shoot, keep the rice field depth of water to be 8-10cm, every mu of urea imposing 3-4kg, the aqueous solution of every mu of sprinkling 40-180kg Organic Selenium fertilizer, wherein, the weight ratio of Organic Selenium fertilizer and water is 1:400-600, and in Organic Selenium fertilizer, the content of selenium is 0.1-0.3mg/kg;
S5, harvesting: carry out wet-irrigation, desinsection and artificial weeding, after spike of rice maturation, cut off the water supply 7-10 days, and harvesting, wherein, insecticide is mass fraction is the 5wt% jinggangmeisu aqueous solution, and the consumption of insecticide is 80-100ml/ mu.
Preferably, in S1, choose kind of the field being implanted with Chinese milk vetch, carry out green manuring, pour water, retting, rotary tillage is raked, point ridge, and wherein, in green manuring process, the green manuring degree of depth is 15-25cm, and green manuring amount is 3000-3500kg/ mu; In water-pouring process, pour water to the depth of water be 15-20cm, then retting 30-40 days.
Preferably, in S1, turn green between initial bloom stage in Chinese milk vetch, spray the aqueous solution of Organic Selenium fertilizer, fountain height is 160-240kg/ mu, and wherein, the weight ratio of Organic Selenium fertilizer and water is 1:400-600, and in Organic Selenium fertilizer, the content of selenium is 0.1-0.3mg/kg.
Preferably, in S3, the preparation method of coated fertilizer is: be added to the water by polyvinyl alcohol, and heat up, insulated and stirred, adds gelatinized starch, insulated and stirred, and cooling, adds sodium bentonite, stirs and obtains coated fertilizer.
Preferably, in S3, the preparation method of coated fertilizer is: be added to the water by polyvinyl alcohol, be warming up to 90-100 DEG C, insulated and stirred 60-80min, add gelatinized starch, insulated and stirred 30-40min, be cooled to 45-55 DEG C, add sodium bentonite, stir 60-80min with the speed of 500-700r/min and obtain coated fertilizer.
Preferably, in S3, in the preparation method of coated fertilizer, the weight ratio of polyvinyl alcohol, water, gelatinized starch, sodium bentonite is 5-10:100-120:4-6:3-4.
Preferably, in S3, the raw material of organic manure comprises by weight: powder of straw 20-30 part, poultry manure 10-15 part, pig manure 10-15 part, biological bacteria 1-2 part, yeast selenium 0.5-1 part, ash 10-20 part, humus 20-30 part, sugared slag 10-20 part, guano 10-15 part, mushroom bacteria slag 5-10 part, Chinese medicine dreg 3.5-7 part.
Preferably, in S3, the raw material of inorganic fertilizer comprises by weight: urea 30-40 part, ammonium phosphate 10-20 part, silicon potash fertilizer 16-23 part, sodium chloride 1-2 part, zinc sulphate 2-3 part, iron chloride 1-2 part.
Preferably, in S3, the raw material of mixed fertilizer comprises by weight: organic manure 115.8-148.6 part, inorganic fertilizer 67.7-82.3 part, shitosan 3.5-4.5 part, crotons powder 9-11 part, coated fertilizer 18-22 part.
Preferably, in S3, the preparation method of mixed fertilizer is: mixed by organic manure, add water, be warming up to 40-50 DEG C, insulation 10-20 days, adds inorganic fertilizer, shitosan, the mixing of crotons powder, granulates, be warming up to 60-80 DEG C and obtain intermediate material; Coated fertilizer is warming up to 60-80 DEG C, sprays and mix on intermediate material, air-dryly obtain mixed fertilizer.
In the preparation method of above-mentioned mixed fertilizer, the effect of water is decomposed manure material, does not specify its consumption, determines its consumption according to concrete operations.
The Chinese milk vetch that the present invention selects is that green manure can be combined with each other with azotobacter, increases the nitrogen content of soil, for the growth of rice seedling provides fertilizer for a long time, carry out green manuring, retting before rice transplanting and increase the fertility of soil and the harmony of each element further, make rice seedling balanced in nutrition, spray Organic Selenium fertilizer in Chinese milk vetch planting process, add the Se content of Chinese milk vetch, after green manuring retting, considerably increase the content of Organic Selenium in soil, add the absorption of paddy rice to Organic Selenium, greatly increase the Se content in paddy rice, in the mixed fertilizer that rice tillering is used, powder of straw, poultry manure, pig manure, biological bacteria, yeast selenium, ash, humus, sugar slag, guano, mushroom bacteria slag, after Chinese medicine dreg becomes thoroughly decomposed, N needed for paddy rice can be provided, P, the elements such as K, and containing many middle amounts and micro-and selenium element, and the organic manure after becoming thoroughly decomposed can improve soil structure, increase soil water-retaining, the effect of fertilizer conservation, with urea, ammonium phosphate, silicon potash fertilizer, sodium chloride, shitosan, crotons powder, zinc sulphate, iron chloride acts synergistically, reduce the consumption of inorganic fertilizer, balanced provides various nutritive element to paddy rice, increase quality and the Se content of paddy rice, shitosan and crotons powder have sterilization and disinsection effect, can kill noxious bacteria and the insect of paddy rice, increase rice quality further, the adsorbable various material of the sodium bentonite used in coated fertilizer delays the release of each element, polyvinyl alcohol and starch are cross-linked the release that can delay each element, with Na-bentonite soil interaction, increase the long-lasting of mixed fertilizer, make even, the long-acting release of nutritive element, for rice tillering provides adequate nutrients, thus greatly improve the quality of paddy rice, and polyvinyl alcohol and starch all can natural degradations, free from environmental pollution, increase the quality of paddy rice further, deployment frequency ventilating type insecticidal lamp, reduces the pollution to environment, guarantees the quality of paddy rice, the after-applied urea of Qi Sui, for rice milking stage provides nutritive element, increases yield and quality of rice, sprays the Se content that Organic Selenium fertilizer increases paddy rice further, the present invention is from increasing soil organic selenium content and spraying the common Se content increasing paddy rice of Organic Selenium fertilizer two aspect interaction, use jinggangmeisu desinsection, do not pollute the environment, ensure rice quality, coordinate rational wet-irrigation, artificial weeding thus plant out high-quality, paddy rice that Se content is high.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
An implantation methods for selenium-rich rice, comprises the steps:
S1, rice field pretreatment: choose kind of the field being implanted with Chinese milk vetch, carry out green manuring, pour water, retting, rotary tillage is raked, point ridge, and wherein, in green manuring process, the green manuring degree of depth is 15cm, and green manuring amount is 3500kg/ mu; In water-pouring process, pour water to the depth of water be 15cm, then retting 40 days;
Turn green between initial bloom stage in Chinese milk vetch, spray the aqueous solution of Organic Selenium fertilizer, fountain height is 160kg/ mu, and wherein, the weight ratio of Organic Selenium fertilizer and water is 1:600, and in Organic Selenium fertilizer, the content of selenium is 0.1mg/kg;
S2, rice transplanting: after the pretreatment of rice field, keep the rice field depth of water to be 10cm, every mu of rice field arranges a frequency ventilating type insecticidal lamp, carries out rice transplanting, and the density of rice shoot is 1.6 ten thousand caves/mu;
S3, fertilising of tillering: in rice transplanting after 9 days, keep the rice field depth of water to be 8cm, and every mu applies 120kg mixed fertilizer, wherein the raw material of mixed fertilizer comprises by weight: powder of straw 20 parts, poultry manure 15 parts, pig manure 10 parts, biological bacteria 2 parts, yeast selenium 0.5 part, ash 20 parts, humus 20 parts, sugar slag 20 parts, guano 10 parts, mushroom bacteria slag 10 parts, Chinese medicine dreg 3.5 parts, 40 parts, urea, 10 parts, ammonium phosphate, silicon potash fertilizer 23 parts, 1 part, sodium chloride, 3 parts, zinc sulphate, 1 part, iron chloride, shitosan 5 parts, 8 parts, crotons powder, coated fertilizer 25 parts;
Wherein, the preparation method of coated fertilizer is: be added to the water by polyvinyl alcohol, be warming up to 90 DEG C, insulated and stirred 80min, adds gelatinized starch, insulated and stirred 30min, be cooled to 55 DEG C, add sodium bentonite, stir 80min with the speed of 500r/min and obtain coated fertilizer, wherein the weight ratio of polyvinyl alcohol, water, gelatinized starch, sodium bentonite is 5:120:4:4;
The preparation method of mixed fertilizer is: mixed by organic manure, add water, be warming up to 40 DEG C, be incubated 20 days, adds inorganic fertilizer, shitosan, the mixing of crotons powder, granulates, be warming up to 60 DEG C and obtain intermediate material; Coated fertilizer is warming up to 80 DEG C, sprays and mix on intermediate material, air-dryly obtain mixed fertilizer;
S4, Qi Sui apply fertilizer: after the neat fringe of rice shoot, keep the rice field depth of water to be 8cm, every mu of urea imposing 4kg, the aqueous solution of every mu of sprinkling 40kg Organic Selenium fertilizer, wherein, the weight ratio of Organic Selenium fertilizer and water is 1:600, and in Organic Selenium fertilizer, the content of selenium is 0.1mg/kg;
S5, harvesting: carry out wet-irrigation, desinsection and artificial weeding, after spike of rice maturation, cut off the water supply 10 days, and harvesting, wherein, insecticide is mass fraction is the 5wt% jinggangmeisu aqueous solution, and the consumption of insecticide is 80ml/ mu.
Embodiment 2
An implantation methods for selenium-rich rice, comprises the steps:
S1, rice field pretreatment: choose kind of the field being implanted with Chinese milk vetch, carry out green manuring, pour water, retting, rotary tillage is raked, point ridge, and wherein, in green manuring process, the green manuring degree of depth is 25cm, and green manuring amount is 3000kg/ mu; In water-pouring process, pour water to the depth of water be 20cm, then retting 30 days;
Turn green between initial bloom stage in Chinese milk vetch, spray the aqueous solution of Organic Selenium fertilizer, fountain height is 240kg/ mu, and wherein, the weight ratio of Organic Selenium fertilizer and water is 1:400, and in Organic Selenium fertilizer, the content of selenium is 0.3mg/kg;
S2, rice transplanting: after the pretreatment of rice field, keep the rice field depth of water to be 8cm, every mu of rice field arranges a frequency ventilating type insecticidal lamp, carries out rice transplanting, and the density of rice shoot is 1.8 ten thousand caves/mu;
S3, fertilising of tillering: in rice transplanting after 7 days, keep the rice field depth of water to be 10cm, and every mu applies 100kg mixed fertilizer, wherein the raw material of mixed fertilizer comprises by weight: powder of straw 30 parts, poultry manure 10 parts, pig manure 15 parts, biological bacteria 1 part, yeast selenium 1 part, ash 10 parts, humus 30 parts, sugar slag 10 parts, guano 15 parts, mushroom bacteria slag 5 parts, Chinese medicine dreg 7 parts, 30 parts, urea, 20 parts, ammonium phosphate, silicon potash fertilizer 16 parts, 2 parts, sodium chloride, 2 parts, zinc sulphate, 2 parts, iron chloride, shitosan 3 parts, 12 parts, crotons powder, coated fertilizer 15 parts;
Wherein, the preparation method of coated fertilizer is: be added to the water by polyvinyl alcohol, be warming up to 100 DEG C, insulated and stirred 60min, adds gelatinized starch, insulated and stirred 40min, be cooled to 45 DEG C, add sodium bentonite, stir 60min with the speed of 700r/min and obtain coated fertilizer, wherein the weight ratio of polyvinyl alcohol, water, gelatinized starch, sodium bentonite is 10:100:6:3;
The preparation method of mixed fertilizer is: mixed by organic manure, add water, be warming up to 50 DEG C, be incubated 10 days, adds inorganic fertilizer, shitosan, the mixing of crotons powder, granulates, be warming up to 80 DEG C and obtain intermediate material; Coated fertilizer is warming up to 60 DEG C, sprays and mix on intermediate material, air-dryly obtain mixed fertilizer;
S4, Qi Sui apply fertilizer: after the neat fringe of rice shoot, keep the rice field depth of water to be 10cm, every mu of urea imposing 3kg, the aqueous solution of every mu of sprinkling 180kg Organic Selenium fertilizer, wherein, the weight ratio of Organic Selenium fertilizer and water is 1:400, and in Organic Selenium fertilizer, the content of selenium is 0.3mg/kg;
S5, harvesting: carry out wet-irrigation, desinsection and artificial weeding, after spike of rice maturation, cut off the water supply 7 days, and harvesting, wherein, insecticide is mass fraction is the 5wt% jinggangmeisu aqueous solution, and the consumption of insecticide is 100ml/ mu.
Embodiment 3
An implantation methods for selenium-rich rice, comprises the steps:
S1, rice field pretreatment: choose kind of the field being implanted with Chinese milk vetch, carry out green manuring, pour water, retting, rotary tillage is raked, point ridge, and wherein, in green manuring process, the green manuring degree of depth is 17cm, and green manuring amount is 3400kg/ mu; In water-pouring process, pour water to the depth of water be 16cm, then retting 38 days;
Turn green between initial bloom stage in Chinese milk vetch, spray the aqueous solution of Organic Selenium fertilizer, fountain height is 180kg/ mu, and wherein, the weight ratio of Organic Selenium fertilizer and water is 1:550, and in Organic Selenium fertilizer, the content of selenium is 0.15mg/kg;
S2, rice transplanting: after the pretreatment of rice field, keep the rice field depth of water to be 9.5cm, every mu of rice field arranges a frequency ventilating type insecticidal lamp, carries out rice transplanting, and the density of rice shoot is 1.65 ten thousand caves/mu;
S3, fertilising of tillering: in rice transplanting after 9 days, keep the rice field depth of water to be 8.5cm, and every mu applies 115kg mixed fertilizer, wherein the raw material of mixed fertilizer comprises by weight: powder of straw 22 parts, poultry manure 13 parts, pig manure 12 parts, biological bacteria 1.8 parts, yeast selenium 0.6 part, ash 18 parts, humus 23 parts, sugar slag 18 parts, guano 12 parts, mushroom bacteria slag 8 parts, Chinese medicine dreg 4 parts, 38 parts, urea, 13 parts, ammonium phosphate, silicon potash fertilizer 21 parts, 1.3 parts, sodium chloride, 2.8 parts, zinc sulphate, 1.2 parts, iron chloride, shitosan 4.5 parts, 9 parts, crotons powder, coated fertilizer 22 parts;
Wherein, the preparation method of coated fertilizer is: be added to the water by polyvinyl alcohol, be warming up to 93 DEG C, insulated and stirred 75min, adds gelatinized starch, insulated and stirred 32min, be cooled to 52 DEG C, add sodium bentonite, stir 75min with the speed of 550r/min and obtain coated fertilizer, wherein the weight ratio of polyvinyl alcohol, water, gelatinized starch, sodium bentonite is 6:115:4.5:3.8;
The preparation method of mixed fertilizer is: mixed by organic manure, add water, be warming up to 42 DEG C, be incubated 18 days, adds inorganic fertilizer, shitosan, the mixing of crotons powder, granulates, be warming up to 65 DEG C and obtain intermediate material; Coated fertilizer is warming up to 75 DEG C, sprays and mix on intermediate material, air-dryly obtain mixed fertilizer;
S4, Qi Sui apply fertilizer: after the neat fringe of rice shoot, keep the rice field depth of water to be 8.5cm, every mu of urea imposing 3.8kg, the aqueous solution of every mu of sprinkling 100kg Organic Selenium fertilizer, wherein, the weight ratio of Organic Selenium fertilizer and water is 1:550, and in Organic Selenium fertilizer, the content of selenium is 0.15mg/kg;
S5, harvesting: carry out wet-irrigation, desinsection and artificial weeding, after spike of rice maturation, cut off the water supply 9 days, and harvesting, wherein, insecticide is mass fraction is the 5wt% jinggangmeisu aqueous solution, and the consumption of insecticide is 85ml/ mu.
Embodiment 4
An implantation methods for selenium-rich rice, comprises the steps:
S1, rice field pretreatment: choose kind of the field being implanted with Chinese milk vetch, carry out green manuring, pour water, retting, rotary tillage is raked, point ridge, and wherein, in green manuring process, the green manuring degree of depth is 23cm, and green manuring amount is 3200kg/ mu; In water-pouring process, pour water to the depth of water be 18cm, then retting 32 days;
Turn green between initial bloom stage in Chinese milk vetch, spray the aqueous solution of Organic Selenium fertilizer, fountain height is 220kg/ mu, and wherein, the weight ratio of Organic Selenium fertilizer and water is 1:450, and in Organic Selenium fertilizer, the content of selenium is 0.25mg/kg;
S2, rice transplanting: after the pretreatment of rice field, keep the rice field depth of water to be 8.5cm, every mu of rice field arranges a frequency ventilating type insecticidal lamp, carries out rice transplanting, and the density of rice shoot is 1.75 ten thousand caves/mu;
S3, fertilising of tillering: in rice transplanting after 7 days, keep the rice field depth of water to be 9.5cm, and every mu applies 105kg mixed fertilizer, wherein the raw material of mixed fertilizer comprises by weight: powder of straw 28 parts, poultry manure 11 parts, pig manure 14 parts, biological bacteria 1.2 parts, yeast selenium 0.8 part, ash 12 parts, humus 27 parts, sugar slag 12 parts, guano 14 parts, mushroom bacteria slag 6 parts, Chinese medicine dreg 6 parts, 32 parts, urea, 17 parts, ammonium phosphate, silicon potash fertilizer 18 parts, 1.7 parts, sodium chloride, 2.2 parts, zinc sulphate, 1.8 parts, iron chloride, shitosan 3.5 parts, 11 parts, crotons powder, coated fertilizer 18 parts;
Wherein, the preparation method of coated fertilizer is: be added to the water by polyvinyl alcohol, be warming up to 97 DEG C, insulated and stirred 65min, adds gelatinized starch, insulated and stirred 38min, be cooled to 48 DEG C, add sodium bentonite, stir 65min with the speed of 650r/min and obtain coated fertilizer, wherein the weight ratio of polyvinyl alcohol, water, gelatinized starch, sodium bentonite is 8:105:5.5:3.2;
The preparation method of mixed fertilizer is: mixed by organic manure, add water, be warming up to 48 DEG C, be incubated 12 days, adds inorganic fertilizer, shitosan, the mixing of crotons powder, granulates, be warming up to 75 DEG C and obtain intermediate material; Coated fertilizer is warming up to 65 DEG C, sprays and mix on intermediate material, air-dryly obtain mixed fertilizer;
S4, Qi Sui apply fertilizer: after the neat fringe of rice shoot, keep the rice field depth of water to be 9.5cm, every mu of urea imposing 3.2kg, the aqueous solution of every mu of sprinkling 120kg Organic Selenium fertilizer, wherein, the weight ratio of Organic Selenium fertilizer and water is 1:450, and in Organic Selenium fertilizer, the content of selenium is 0.25mg/kg;
S5, harvesting: carry out wet-irrigation, desinsection and artificial weeding, after spike of rice maturation, cut off the water supply 8 days, and harvesting, wherein, insecticide is mass fraction is the 5wt% jinggangmeisu aqueous solution, and the consumption of insecticide is 95ml/ mu.
Embodiment 5
An implantation methods for selenium-rich rice, comprises the steps:
S1, rice field pretreatment: choose kind of the field being implanted with Chinese milk vetch, carry out green manuring, pour water, retting, rotary tillage is raked, point ridge, and wherein, in green manuring process, the green manuring degree of depth is 20cm, and green manuring amount is 3300kg/ mu; In water-pouring process, pour water to the depth of water be 17cm, then retting 35 days;
Turn green between initial bloom stage in Chinese milk vetch, spray the aqueous solution of Organic Selenium fertilizer, fountain height is 200kg/ mu, and wherein, the weight ratio of Organic Selenium fertilizer and water is 1:500, and in Organic Selenium fertilizer, the content of selenium is 0.2mg/kg;
S2, rice transplanting: after the pretreatment of rice field, keep the rice field depth of water to be 9cm, every mu of rice field arranges a frequency ventilating type insecticidal lamp, carries out rice transplanting, and the density of rice shoot is 1.7 ten thousand caves/mu;
S3, fertilising of tillering: in rice transplanting after 8 days, keep the rice field depth of water to be 9cm, and every mu applies 110kg mixed fertilizer, wherein the raw material of mixed fertilizer comprises by weight: powder of straw 25 parts, poultry manure 12 parts, pig manure 13 parts, biological bacteria 1.5 parts, yeast selenium 0.7 part, ash 15 parts, humus 25 parts, sugar slag 15 parts, guano 13 parts, mushroom bacteria slag 7 parts, Chinese medicine dreg 5 parts, 35 parts, urea, 15 parts, ammonium phosphate, silicon potash fertilizer 20 parts, 1.5 parts, sodium chloride, 2.5 parts, zinc sulphate, 1.5 parts, iron chloride, shitosan 4 parts, 10 parts, crotons powder, coated fertilizer 20 parts;
Wherein, the preparation method of coated fertilizer is: be added to the water by polyvinyl alcohol, be warming up to 95 DEG C, insulated and stirred 70min, adds gelatinized starch, insulated and stirred 35min, be cooled to 50 DEG C, add sodium bentonite, stir 70min with the speed of 600r/min and obtain coated fertilizer, wherein the weight ratio of polyvinyl alcohol, water, gelatinized starch, sodium bentonite is 7:110:5:3.5;
The preparation method of mixed fertilizer is: mixed by organic manure, add water, be warming up to 45 DEG C, be incubated 15 days, adds inorganic fertilizer, shitosan, the mixing of crotons powder, granulates, be warming up to 70 DEG C and obtain intermediate material; Coated fertilizer is warming up to 70 DEG C, sprays and mix on intermediate material, air-dryly obtain mixed fertilizer;
S4, Qi Sui apply fertilizer: after the neat fringe of rice shoot, keep the rice field depth of water to be 9cm, every mu of urea imposing 3.5kg, the aqueous solution of every mu of sprinkling 110kg Organic Selenium fertilizer, wherein, the weight ratio of Organic Selenium fertilizer and water is 1:500, and in Organic Selenium fertilizer, the content of selenium is 0.2mg/kg;
S5, harvesting: carry out wet-irrigation, desinsection and artificial weeding, after spike of rice maturation, cut off the water supply 9 days, and harvesting, wherein, insecticide is mass fraction is the 5wt% jinggangmeisu aqueous solution, and the consumption of insecticide is 90ml/ mu.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. an implantation methods for selenium-rich rice, is characterized in that, comprises the steps:
S1, rice field pretreatment: choose kind of the field being implanted with Chinese milk vetch, carry out green manuring, pour water, retting, rotary tillage is raked, point ridge;
S2, rice transplanting: after the pretreatment of rice field, keep the rice field depth of water to be 8-10cm, every mu of rice field arranges a frequency ventilating type insecticidal lamp, carries out rice transplanting, and the density of rice shoot is 1.6-1.8 ten thousand caves/mu;
S3, fertilising of tillering: after rice transplanting 7-9 days, the rice field depth of water is kept to be 8-10cm, every mu applies 100-120kg mixed fertilizer, wherein the raw material of mixed fertilizer comprises by weight: organic manure 100-165 part, inorganic fertilizer 60-90 part, shitosan 3-5 part, crotons powder 8-12 part, coated fertilizer 15-25 part;
S4, Qi Sui apply fertilizer: after the neat fringe of rice shoot, keep the rice field depth of water to be 8-10cm, every mu of urea imposing 3-4kg, the aqueous solution of every mu of sprinkling 40-180kg Organic Selenium fertilizer, wherein, the weight ratio of Organic Selenium fertilizer and water is 1:400-600, and in Organic Selenium fertilizer, the content of selenium is 0.1-0.3mg/kg;
S5, harvesting: carry out wet-irrigation, desinsection and artificial weeding, after spike of rice maturation, cut off the water supply 7-10 days, and harvesting, wherein, insecticide is mass fraction is the 5wt% jinggangmeisu aqueous solution, and the consumption of insecticide is 80-100ml/ mu.
2. the implantation methods of selenium-rich rice according to claim 1, is characterized in that, in S1, chooses kind of the field being implanted with Chinese milk vetch, carries out green manuring, pour water, retting, rotary tillage is raked, point ridge, wherein, in green manuring process, the green manuring degree of depth is 15-25cm, and green manuring amount is 3000-3500kg/ mu; In water-pouring process, pour water to the depth of water be 15-20cm, then retting 30-40 days.
3. the implantation methods of selenium-rich rice according to claim 1 or 2, it is characterized in that, in S1, turn green between initial bloom stage in Chinese milk vetch, spray the aqueous solution of Organic Selenium fertilizer, fountain height is 160-240kg/ mu, wherein, the weight ratio of Organic Selenium fertilizer and water is 1:400-600, and in Organic Selenium fertilizer, the content of selenium is 0.1-0.3mg/kg.
4. the implantation methods of selenium-rich rice according to any one of claim 1-3, it is characterized in that, in S3, the preparation method of coated fertilizer is: be added to the water by polyvinyl alcohol, heat up, insulated and stirred, adds gelatinized starch, insulated and stirred, cooling, adds sodium bentonite, stirs and obtains coated fertilizer.
5. the implantation methods of selenium-rich rice according to any one of claim 1-4, it is characterized in that, in S3, the preparation method of coated fertilizer is: be added to the water by polyvinyl alcohol, be warming up to 90-100 DEG C, insulated and stirred 60-80min, add gelatinized starch, insulated and stirred 30-40min, be cooled to 45-55 DEG C, add sodium bentonite, stir 60-80min with the speed of 500-700r/min and obtain coated fertilizer.
6. the implantation methods of selenium-rich rice according to any one of claim 1-5, it is characterized in that, in S3, in the preparation method of coated fertilizer, the weight ratio of polyvinyl alcohol, water, gelatinized starch, sodium bentonite is 5-10:100-120:4-6:3-4.
7. the implantation methods of selenium-rich rice according to any one of claim 1-6, is characterized in that, in S3, the raw material of organic manure comprises by weight: powder of straw 20-30 part, poultry manure 10-15 part, pig manure 10-15 part, biological bacteria 1-2 part, yeast selenium 0.5-1 part, ash 10-20 part, humus 20-30 part, sugar slag 10-20 part, guano 10-15 part, mushroom bacteria slag 5-10 part, Chinese medicine dreg 3.5-7 part.
8. the implantation methods of selenium-rich rice according to any one of claim 1-7, is characterized in that, in S3, the raw material of inorganic fertilizer comprises by weight: urea 30-40 part, ammonium phosphate 10-20 part, silicon potash fertilizer 16-23 part, sodium chloride 1-2 part, zinc sulphate 2-3 part, iron chloride 1-2 part.
9. the implantation methods of selenium-rich rice according to any one of claim 1-8, is characterized in that, in S3, the raw material of mixed fertilizer comprises by weight: organic manure 115.8-148.6 part, inorganic fertilizer 67.7-82.3 part, shitosan 3.5-4.5 part, crotons powder 9-11 part, coated fertilizer 18-22 part.
10. the implantation methods of selenium-rich rice according to any one of claim 1-9, it is characterized in that, in S3, the preparation method of mixed fertilizer is: mixed by organic manure, add water, be warming up to 40-50 DEG C, insulation 10-20 days, add inorganic fertilizer, shitosan, the mixing of crotons powder, granulate, be warming up to 60-80 DEG C and obtain intermediate material; Coated fertilizer is warming up to 60-80 DEG C, sprays and mix on intermediate material, air-dryly obtain mixed fertilizer.
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| CN105439738A (en) * | 2015-12-23 | 2016-03-30 | 天津农学院 | Controlled-release selenium fertilizer and preparation method thereof |
| CN105815165A (en) * | 2016-03-31 | 2016-08-03 | 太仓市新联粮食生产专业合作社 | Method for planting selenium-enriched rice at high yield |
| CN106134873A (en) * | 2016-06-22 | 2016-11-23 | 广西壮族自治区农业科学院农业资源与环境研究所 | A kind of green manure paddy rice crop rotation produces the method for selenium-rich rice |
| CN107125070A (en) * | 2017-05-17 | 2017-09-05 | 全州县咸水虹桥米业有限公司 | A kind of implantation methods of selenium-rich rice |
| CN107172903A (en) * | 2017-05-20 | 2017-09-19 | 广西北流伟民米业有限责任公司 | A kind of selenium-rich soil improvement and the method for production organic Se-rich rice |
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| CN107567791A (en) * | 2017-08-25 | 2018-01-12 | 安徽太白庄园生态农业有限公司 | A kind of paddy disease-resistant implantation methods of sand |
| CN107494094A (en) * | 2017-09-25 | 2017-12-22 | 刘忠宁 | A kind of implantation methods of selenium-rich rice |
| CN107593343A (en) * | 2017-11-06 | 2018-01-19 | 陈金水 | A kind of production method for winning excellent osmanthus perfume (or spice) rice |
| CN109089793A (en) * | 2018-07-12 | 2018-12-28 | 安徽袁粮水稻产业有限公司 | A kind of efficient high-yield selenium-rich paddy rice planting method for reducing cadmium content in rice |
| CN108934860A (en) * | 2018-09-13 | 2018-12-07 | 苏州格瑞格登新材料科技有限公司 | A kind of selenium-rich rice planting technology |
| CN109315247A (en) * | 2018-10-15 | 2019-02-12 | 广西壮族自治区农业科学院 | A method of selenium-rich rice is produced using Chinese milk vetch and rape activating soil |
| CN109315247B (en) * | 2018-10-15 | 2021-02-09 | 广西壮族自治区农业科学院 | Method for producing selenium-rich rice by using astragalus sinicus and rape activated soil |
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