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Method for culturing sweet potatoes in dry land

A cultivation method and technology of sweet potato, applied in the field of crop cultivation, can solve the problems of unreasonable cultivation method and low yield of sweet potato in dry land, and achieve the effects of reducing labor intensity, saving potassium fertilizer and increasing yield

Inactive Publication Date: 2010-10-06
吴太平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-yield, time-saving and labor-saving dry-land sweet potato cultivation method for the technical problems of unreasonable and low-yield existing dry-land sweet potato cultivation methods

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 1) Seedling raising: a. In late March, animal manure and crushed crop stalks are evenly mixed in a weight ratio of 1:3 to make litter;

[0021] b. Lay 30 cm high litter on the seedling bed, sprinkle human feces at a rate of 25 kg / square meter after extrusion, and then add 8 cm high river sand;

[0022] c. Sprinkle water on the river sand according to the ratio of 20 kg / square meter, place the sweet potatoes evenly on the river sand, spray carbendazim spray disinfection with conventional methods, cover the river sand with a height of 6 cm on the sweet potatoes, and then use 8 kg Sprinkle water at the ratio of / square meter;

[0023] d, cover the seedbed with a plastic film and control the temperature in the plastic film: it is 29°C before germination, and 25°C after germination, and it will be a seedling when the sweet potato bud grows to a height of 20 cm;

[0024] 2) Fertilization for soil preparation: After the rain in late March, apply 1300 kg / mu of decomposed farm...

Embodiment 2

[0027] 1) Seedling raising: a. In late March, animal manure and crushed crop stalks are evenly mixed in a weight ratio of 1:3.5 to make litter;

[0028] b. Lay 40 cm high litter on the seedling bed, sprinkle human excrement according to the ratio of 28 kg / square meter after extrusion, and then add 10 cm high river sand;

[0029] c. Sprinkle water on the river sand according to the ratio of 22 kg / square meter, place the sweet potatoes evenly on the river sand, spray carbendazim spray disinfection with conventional methods, cover the river sand with a height of 7 cm on the sweet potatoes, and then press 9 kg Sprinkle water at the ratio of / square meter;

[0030] d, cover the seedbed with a plastic film and control the temperature in the plastic film: it is 30°C before germination, and 26°C after germination, and it will be a seedling when the sweet potato bud grows to a height of 25 cm;

[0031] 2) Fertilization for soil preparation: After the rain in late March, apply 1400 kg...

Embodiment 3

[0034] 1) Seedling raising: a. Mix animal manure and crushed crop stalks evenly in a weight ratio of 1:4 in late March to make litter;

[0035] b. Lay 50 cm high litter on the seedling bed, sprinkle human feces at a rate of 30 kg / square meter after extrusion, and then add 12 cm high river sand;

[0036] c. Sprinkle water on the river sand according to the ratio of 25 kg / square meter, place the sweet potatoes evenly on the river sand, spray carbendazim spray disinfection with conventional methods, cover the river sand with a height of 8 cm on the sweet potatoes, and then use 10 kg Sprinkle water at the ratio of / square meter;

[0037] d, cover the seedbed with a plastic film and control the temperature in the plastic film: it is 32°C before germination, and 28°C after germination, and it will be a seedling when the sweet potato bud grows to a height of 30 cm;

[0038] 2) Fertilization for soil preparation: After the rain in late March, apply 1,500 kg / mu of decomposed farmyard...

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Abstract

The invention relates to a method for culturing sweet potatoes in a dry land, belonging to the technical field of methods for culturing the crops, and solving the technical problems that the existing method for culturing sweet potatoes in the dry land is unreasonable and has low yield. The technical scheme of the invention is as follows: 1) culturing seedlings: mixing animal wastes with crushed crop straws uniformly according to proportion to prepare padding materials in late March, laying the padding materials on a seedling-culturing bed, then laying river sand, placing sweet potato seeds, then using the river sand to cover the sweet potato seeds, and controlling proper temperature till the seedlings of the seeds grow out; 2) preparing the land and applying fertilizer: after the rains in late March, applying decaying farmyard manure, then ploughing and levelling the land, marking rows and applying potash fertilizer, then leveling again, and covering with thin films; and 3) culturing: from late April to early May, perforating on the thin films and culturing. The method has the advantages of high rate of emergence, capability of maintaining soil moisture, low labor intensity for sweet potato farmers, high yield and the like.

Description

technical field [0001] The invention belongs to the technical field of crop cultivation methods, and in particular relates to a dryland sweet potato cultivation method. Background technique [0002] Sweet potatoes are rich in starch, dietary fiber, carotene, vitamins A, B, C, E, potassium, iron, copper, selenium, calcium and more than 10 kinds of trace elements and linoleic acid, etc., with high nutritional value and are nutritious. Scientists call it the most nutritionally balanced health food. These substances can maintain the elasticity of blood vessels, and have the effects of weight loss, bodybuilding, prevention of sub-health, and laxative detoxification. "Compendium of Materia Medica" records that sweet potatoes have the effects of "tonifying deficiency and exhaustion, benefiting energy, strengthening spleen and stomach, and strengthening kidney yin", making people "longevity and less disease". [0003] At present, my country's sweet potato planting area remains at ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00A01G13/02C05F15/00C05F17/00
CPCY02W30/40
Inventor 吴太平
Owner 吴太平
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