CN101444177A - Cultivation technique for three high and one safe of double harvest rice - Google Patents

Abstract

The invention relates to a cultivation technique for three high and one safe of double harvest rice, comprising the following steps: before sowing, sprout cultivation fertilizer of the invention is used as basic fertilizer and spread at one time, the usage amount is 30-75g/m<2> seedling bed, early rice with 3-4 leaf age and late rice with 5-6 leaf age are transplanted to big field at proper time; a method of broad row spacing and narrow planting distance is adopted, the row spacing is 27-30cm, and the planting distance is 13-17cm; 12-14 kilograms of chemical nitrogenous fertilizer is spread on each mu in the planting, when the number of plant reaches 70%-90% of the planned spike number, drainage and field drying are carried out, then slight drying is carried out for three to four times, water is regained in the leaf sprouting period of the second leave from the top; rice tillering-control agent containing gibberellin is spread in the critical leaf age period of the effective tillering; and the agent is spread on the leaf surface in the crevasse period and in the milk time. The seedling-strengthening and premature-promoting technique of the invention, by utilizing rice sprout cultivation fertilizer for cultivating, simplifies the sprout cultivation procedure, and can prevent and treat plant diseases and insect pests in seedling bed, cultivate dumpy sprouts and promote the premature of big field.

Description

Cultivation technique for three high and one safe of double harvest rice

Technical field

The present invention relates to rice cultivating technique.

Background technology

Ineffective tillering of paddy rice and unfilled gtains are not only wasted nutrient, to not contribution of output, and influences output and form, cause enriching bad, an and then influence meter matter.Double rice cropping system early rice temperature in early stage is low, be unfavorable for early sending out, the easy excessive growth of the late rice high rice shoot of temperature in early stage, also be unfavorable for early sending out, and the breeding time of double cropping rice is short, productive tiller stage is short, send out a large amount of chemical fertilizer of having to morning in order to promote in the production, so just cause growing in a large number of ineffective tillering in mid-term, not only rate of tillering panicle hangs down a large amount of nutrients of waste, and be unfavorable for that big fringe forms, cause that field closing, colony's worsening condition, unfavorable ventilation and penetrating light, later stage photosynthetic efficiency descend, easily early ageing, ripening rate descend, the seed circularity is poor, the rice qualitative change is bad.The key problem in technology that send out short morning in early stage, control ineffective tillering mid-term, anti-early ageing of later stage is the cultivation of double cropping rice high yield and high quality, for this reason, we according to send out before making up, in the thinking of steady, the strong Rice Population in back, having researched and proposed a cover is double cropping rice " the three high protect " high-yield high-grade culture technique of target with the high percentage of earbearing tiller, high ripening rate, high circularity and guarantor's high-quality, solved preferably that the percentage of earbearing tiller in the double cropping rice cultivation is low, ripening rate is low, circularity difference and the bad difficult problem of rice qualitative change, improved the yield and quality of double cropping rice.

Summary of the invention

The purpose of this invention is to provide a kind of double cropping paddy rice cultivation method.

The objective of the invention is to realize by following technical scheme.

The main key technology of a kind of double cropping paddy rice cultivation method of the present invention comprises: do disposable the executing down of base manure with seedling fertilizer of the present invention before the sowing and make base manure, consumption is 30-75g/m ²The rice seedling bed, early rice 3-4 leaf age, late rice 5-6 leaf age optimum period, be transplanted to the land for growing field crops; Adopt the narrow strain of wide row, line-spacing 27-30cm, spacing in the rows 13-17cm kind are planted; Use chemical nitrogen fertilizer 12-14 kilogram for every mu during plantation, 50% of above-mentioned chemical nitrogen fertilizer is made base manure, and 10%-20% makes tillering fertilizer, and 20%-25% makes ear manuer, and 5%-10% makes granulated fertilizer; Begin the draining dry field when the seedling number reaches the 70%-90% of plan spike number, through 3-4 light the solarization, two leaves that fall reveal point phase rehydration again; When reaching the plan spike number, the critical leaf age of effective tiller phase or seedling number spray the paddy rice tillering-control agent that contains gibberellin; Every mu of cut phase and milk ripe stage with 50-100g potassium dihydrogen phosphate, 0.1% brassin 5g, convert water 50kg foliage-spray.

The prescription of above-mentioned special fertilizer for raising rice seedlings is: but 50% thiram wettable powder, 10% imidacloprid wettable powder of 0.01%-0.1%, the remainder of the 35% metalaxyl wetting powder of the 5% uniconazole P wetting powder of the zinc sulphate of the superphosphate of the ammonium sulfate of 25%-35%, 40%-50%, 10%-15% potassium chloride, 2%-4%, 0.2%-1.0%, 0.5%-1.5%, 0.2%-1.0% are humus.Production method is earlier with zinc sulphate, uniconazole P, metalaxyl, tmtd, Imidacloprid mixing, then with the abundant mixing of humus, again with ammonium sulfate, superphosphate, potassium sulphate mixing, in the plastic sack of packing into then.

The present invention uses special fertilizer for raising rice seedlings and cultivates the short technology of early sending out of strong seedling, simplify the seedling operation, and can prevent and treat the rice seedling bed damage by disease and insect, cultivate short strong seedling, promote that the land for growing field crops is early sent out, the peasant easily accepts, solved double cropping rice preferably and strengthened the technical barrier of educating the difficult grasp of techno-peasant and early raising difficult questions and controlling by rich water quality management promotion land for growing field crops, guaranteed that paddy rice can also early send out under the situation that early stage, fertilizing amount reduced; The 2nd, invented water control, ahead of time dry field, the fertile control when the seedling number reaches the 70%-90% of plan spike number, tillering fertilizer chemical nitrogen fertilizer consumption be no more than total usefulness 20%, chemical control, when reaching plan spike number or leaf age, the seedling number reaches the comprehensive control tiller technology that the critical leaf age of effective tiller spray tillering-control agent during the phase " three controls in conjunction with " control ineffective tillering, ineffective tillering is effectively controlled, the 3rd, combine with the later stage foliage spray method of raising later stage population photosynthesis efficient of the narrow strain of wide row plantation has been proposed.

Specific embodiment

Specific embodiments of the invention 1

A kind of double cropping paddy rice cultivation method of the present invention comprises: do disposable the executing down of base manure with seedling fertilizer of the present invention and make base manure before the sowing, consumption is every square metre of rice seedling bed 35g, and 5 leaf age optimum periods of early rice 3 leaf ages, late rice are transplanted to the land for growing field crops; Adopt the narrow strain plantation of wide row when being transplanted to the land for growing field crops, line-spacing 28cm, spacing in the rows 17cm; Use 12 kilograms of chemical nitrogen fertilizers for every mu during plantation, 50% of above-mentioned chemical nitrogen fertilizer is made base manure, and 10% makes tillering fertilizer, and 20% makes ear manuer, and 5% makes granulated fertilizer; When the seedling number reach the plan spike number 70% the time begin the draining dry field, through 3-4 dry field, two leaves that fall reveal sharp phase rehydration; When reaching the plan spike number, the critical leaf age of effective tiller phase or seedling number spray the paddy rice tillering-control agent that contains gibberellin; Every mu of cut phase and milk ripe stage with 60g potassium dihydrogen phosphate, 0.1% brassin 5g, convert water 50kg foliage-spray.

The prescription of above-mentioned special fertilizer for raising rice seedlings is: but 25% ammonium sulfate, 40% superphosphate, 10% potassium chloride, 2% zinc sulphate, 0.2% 5% uniconazole P wetting powder, 0.5% 35% metalaxyl wetting powder, 0.2% 50% thiram wettable powder, 0.01% 10% imidacloprid wettable powder, remainder are humus.Production method is first with zinc sulphate, uniconazole P, metalaxyl, tmtd, Imidacloprid mixing, then with the abundant mixing of humus, with ammonium sulfate, superphosphate, potassium sulphate mixing, seals in the plastic sack of packing into then again.

Specific embodiments of the invention 2

A kind of double cropping paddy rice cultivation method of the present invention comprises: do disposable the executing down of base manure with seedling fertilizer of the present invention and make base manure before the sowing, consumption is every square metre of rice seedling bed 70g, and 6 leaf age optimum periods of early rice 4 leaf ages, late rice are transplanted to the land for growing field crops; Adopt the narrow strain plantation of wide row when being transplanted to the land for growing field crops, line-spacing 30cm, spacing in the rows 17cm; Use 14 kilograms of chemical nitrogen fertilizers for every mu during plantation, 50% of above-mentioned chemical nitrogen fertilizer is made base manure, and 20% makes tillering fertilizer, and 25% makes ear manuer, and 10% makes granulated fertilizer; When the seedling number reach the plan spike number 90% the time begin the draining dry field, through 4 dry fields, two leaves that fall reveal point phase rehydration; When reaching the plan spike number, the critical leaf age of effective tiller phase or seedling number spray the paddy rice tillering-control agent that contains gibberellin; Every mu of cut phase and milk ripe stage with 100g potassium dihydrogen phosphate, 0.1% brassin 5g, convert water 50kg foliage-spray.

The prescription of above-mentioned special fertilizer for raising rice seedlings is: but 35% ammonium sulfate, 50% superphosphate, 15% potassium chloride, 2% zinc sulphate, 0.3% 5% uniconazole P wetting powder, 1.5% 35% metalaxyl wetting powder, 1.0% 50% thiram wettable powder, 0.1% 10% imidacloprid wettable powder, remainder are humus.Production method is first with zinc sulphate, uniconazole P, metalaxyl, tmtd, Imidacloprid mixing, then with the abundant mixing of humus, with ammonium sulfate, superphosphate, potassium sulphate mixing, seals in the plastic sack of packing into then again.

Claims (2)

1, a kind of cultivation technique for three high and one safe of double harvest rice is characterized in that: may further comprise the steps: do disposable the executing down of base manure with seedling fertilizer of the present invention before the sowing and make base manure, consumption is 30-75g/m ²The rice seedling bed, early rice 3-4 leaf age, late rice 5-6 leaf age optimum period, be transplanted to the land for growing field crops; Adopt the narrow strain of wide row, line-spacing 27-30cm, spacing in the rows 13-17cm kind are planted; Use chemical nitrogen fertilizer 12-14 kilogram for every mu during plantation, 50% of above-mentioned chemical nitrogen fertilizer is made base manure, and 10%-20% makes tillering fertilizer, and 20%-25% makes ear manuer, and 5%-10% makes granulated fertilizer; Begin the draining dry field when the seedling number reaches the 70%-90% of plan spike number, through 3-4 light the solarization, two leaves that fall reveal point phase rehydration again; When reaching the plan spike number, the critical leaf age of effective tiller phase or seedling number spray the paddy rice tillering-control agent that contains gibberellin; Every mu of cut phase and milk ripe stage with 50-100g potassium dihydrogen phosphate, 0.1% brassin 5g, convert water 50kg foliage-spray;

The prescription of above-mentioned special fertilizer for raising rice seedlings is: but 50% thiram wettable powder, 10% imidacloprid wettable powder of 0.01%-0.1%, the remainder of the 35% metalaxyl wetting powder of the 5% uniconazole P wetting powder of the zinc sulphate of the superphosphate of the ammonium sulfate of 25%-35%, 40%-50%, 10%-15% potassium chloride, 2%-4%, 0.2%-1.0%, 0.5%-1.5%, 0.2%-1.0% are humus.Production method is earlier with zinc sulphate, uniconazole P, metalaxyl, tmtd, Imidacloprid mixing, then with the abundant mixing of humus, again with ammonium sulfate, superphosphate, potassium sulphate mixing, in the plastic sack of packing into then.

2, a kind of according to claim 1 cultivation technique for three high and one safe of double harvest rice, it is characterized in that: may further comprise the steps: do disposable the executing down of base manure with seedling fertilizer of the present invention before the sowing and make base manure, consumption is every square metre of rice seedling bed 35g, and 5 leaf age optimum periods of early rice 3 leaf ages, late rice are transplanted to the land for growing field crops; Adopt the narrow strain plantation of wide row when being transplanted to the land for growing field crops, line-spacing 28cm, spacing in the rows 17cm; Use 12 kilograms of chemical nitrogen fertilizers for every mu during plantation, 50% of above-mentioned chemical nitrogen fertilizer is made base manure, and 10% makes tillering fertilizer, and 20% makes ear manuer, and 5% makes granulated fertilizer; When the seedling number reach the plan spike number 70% the time begin the draining dry field, through 3-4 dry field, two leaves that fall reveal sharp phase rehydration; When reaching the plan spike number, the critical leaf age of effective tiller phase or seedling number spray the paddy rice tillering-control agent that contains gibberellin; Every mu of cut phase and milk ripe stage with 60g potassium dihydrogen phosphate, 0.1% brassin 5g, convert water 50kg foliage-spray;

The prescription of above-mentioned special fertilizer for raising rice seedlings is: but 25% ammonium sulfate, 40% superphosphate, 10% potassium chloride, 2% zinc sulphate, 0.2% 5% uniconazole P wetting powder, 0.5% 35% metalaxyl wetting powder, 0.2% 50% thiram wettable powder, 0.01% 10% imidacloprid wettable powder, remainder are humus.Production method is first with zinc sulphate, uniconazole P, metalaxyl, tmtd, Imidacloprid mixing, then with the abundant mixing of humus, with ammonium sulfate, superphosphate, potassium sulphate mixing, seals in the plastic sack of packing into then again.