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Cultivation method for increasing yield of sweet potatoes in mountainous barren land

A cultivation method and sweet potato technology are applied in the directions of cultivation, fertilization, plant cultivation, etc., to achieve the effects of increased yield, good economic and social benefits, and significant promotion benefits

Inactive Publication Date: 2017-12-01
何振贤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the agricultural production conditions of "thick rocks, thin soil, and nine droughts in ten years" in dry and thin land in hilly areas, drought is an important factor restricting the high-yield cultivation of sweet potatoes. Adapted Planting Techniques for High-yield Cultivation of Sweet Potato

Method used

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  • Cultivation method for increasing yield of sweet potatoes in mountainous barren land
  • Cultivation method for increasing yield of sweet potatoes in mountainous barren land
  • Cultivation method for increasing yield of sweet potatoes in mountainous barren land

Examples

Experimental program
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Effect test

Embodiment 1

[0028] A kind of cultivation method that is used to improve the yield of sweet potato in arid and barren land in mountainous area, described cultivation method comprises the following steps:

[0029] Step 1. Add organic fertilizer to improve soil quality. Apply at least 2,500 kg of farmyard manure per mu, combined with deep soil preparation for site preparation;

[0030] Step 2. Balance formula fertilization and reapply potassium fertilizer according to N:P 2 o 5 : K 2 The ratio of O=1:0.4:3.2 is reasonable, 50kg per mu, 95% of the base fertilizer, 0.3% potassium dihydrogen phosphate + 0.5% urea solution is sprayed on the leaves in the middle and late stages of growth; among them, the N fertilizer is urea, containing N The amount is 46.4%; the phosphate fertilizer is calcium superphosphate, containing P 2 o 5 Amount 13%; Potassium fertilizer is potassium sulfate, containing K 2 O content 50%; Potassium dihydrogen phosphate content 99%;

[0031] Step 3. Spread plastic fil...

Embodiment 2

[0038] A kind of cultivation method that is used to improve the yield of sweet potato in arid and barren land in mountainous area, described cultivation method comprises the following steps:

[0039] Step 1. Add organic fertilizer to improve soil quality. Apply at least 2,500 kg of farmyard manure per mu, combined with deep soil preparation for site preparation;

[0040] Step 2. Balance formula fertilization and reapply potassium fertilizer according to N:P 2 o 5 : K 2 The ratio of O=1:0.4:3.2 is reasonable, 80kg per mu, 95% of the base fertilizer, 0.3% potassium dihydrogen phosphate + 0.5% urea solution is sprayed on the leaves in the middle and late stages of growth; among them, the N fertilizer is urea, containing N The amount is 46.4%; the phosphate fertilizer is calcium superphosphate, containing P 2 o 5 Amount 13%; Potassium fertilizer is potassium sulfate, containing K 2 O content 50%; Potassium dihydrogen phosphate content 99%;

[0041]Step 3. Spread plastic film...

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Abstract

The invention provides a cultivation method for increasing the yield of sweet potatoes in a mountainous barren land. The method provides water-saving and drought-resistant cultivation measures including additionally applying organic fertilizer; balancing formula fertilization; selecting virus-free sweet potato seedlings; increasing the density; mulching a film; dipping roots by using a rooting agent; spraying an evaporation-inhibiting agent; topping and pinching; carrying out chemical control in good time; spraying foliar fertilizer in the middle and late growth stage, and the like. By means of the measures, the yield of the sweet potatoes is significantly increased and huge economic benefits and social benefits are obtained. The cultivation method provided by the invention has the advantages that the yield of the sweet potatoes can be significantly increased; synthesized promotional data of 341 thousand mu from 108 demonstration points in seven years prove that the average yield per mu is 1360 kg; compared with a contrast group, an experiment group has the characteristics that the average increase is 952 kg and the increase rate is 42.86 percent.

Description

technical field [0001] The invention belongs to the field of crop application technology, and in particular relates to a cultivation method for increasing the yield of sweet potatoes in arid and barren land in mountainous areas. Background technique [0002] Due to its high yield and strong adaptability, sweet potatoes have always played the role of disaster relief and life-saving food in my country. It has also been an important miscellaneous grain crop in vast hilly and mountainous areas. In recent years, as my country's economic situation and agricultural development have entered a new historical stage, the health care function, high-yield characteristics, and value-added processing of sweet potatoes have become increasingly prominent. Multi-purpose and comprehensive utilization of economic crops have become an important choice for agricultural structure adjustment and farmers' income increase. It is of great significance to improve the living standards and family income...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01C21/00A01C1/00A01G7/06
CPCA01C21/005A01C1/00A01G7/06A01G22/00
Inventor 何振贤
Owner 何振贤
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