A kind of high-efficiency cultivation method of sweet potato in protected land to promote early growth in southern Shandong area

A cultivation method and technology for protecting land, applied in the field of crop cultivation, can solve the problems of low economic benefit, difficulty in raising temperature, stunted growth, etc., and achieve the effects of high survival rate, improved planting benefit, and quick seedling return.

Active Publication Date: 2021-01-05
济宁市农业科学研究院
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a kind of sweet potato protected early and high-efficiency cultivation method in the southern Shandong area, select the early-maturing sweet potato variety Longshu No. 9 in the greenhouse or large arch shed, through scientific fertilization, potato seedling treatment, timely planting early, reasonable dense planting , plastic film covering, building a small arch shed, picking seedlings, scientific management and other technical means, and through the three-film covering planting technology and the production mode of fresh potato + potato seedling sales, it solves the difficulties of temperature increase, seedling preservation and growth in the sweet potato early cultivation technology. Problems of slowness, low output and low economic efficiency

Method used

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  • A kind of high-efficiency cultivation method of sweet potato in protected land to promote early growth in southern Shandong area
  • A kind of high-efficiency cultivation method of sweet potato in protected land to promote early growth in southern Shandong area
  • A kind of high-efficiency cultivation method of sweet potato in protected land to promote early growth in southern Shandong area

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Embodiment 1

[0042] A method for promoting early cultivation of sweet potatoes in southern Shandong, the specific steps are as follows:

[0043] Step 1: Select the early-maturing sweet potato variety Longshu No. 9

[0044] The sweet potato varieties cultivated in protected areas should choose Longshu No. 9, a sweet potato variety with strong drought tolerance, waterlogging tolerance and strong cold tolerance;

[0045] Step 2: Three-film covering planting mode

[0046] After planting potato seedlings in a greenhouse or a large shed, first cover a layer of plastic film, and then build a small shed on the plastic film to form a three-film covering planting mode of a large shed + small shed + plastic film;

[0047] First of all, a greenhouse or a large arched shed must be built. The protected cultivation of sweet potatoes in southern Shandong usually uses 7-8m long galvanized steel pipes bent into a bow shape to build an arched shed.

[0048] Properly ridge according to the width of the larg...

Embodiment

[0076] A high-efficiency cultivation technology of sweet potato in protected land, adopting three-film mulching planting mode, selecting early-maturing sweet potato varieties, selling fresh potatoes + potato seedlings, adding organic fertilizer, treating potato seedlings, timely planting early, reasonable dense planting, heat preservation and increasing Temperature, seedling picking, scientific management and a series of technical means to improve the efficiency of sweet potato planting, specifically include the following steps:

[0077] (1) Select the early-maturing sweet potato variety Longshu No. 9

[0078] The sweet potato varieties cultivated in protected areas should choose drought-tolerant, waterlogging-tolerant, cold-resistant varieties, and varieties with wide adaptability. After years of early cultivation experiments, Longshu No. 9 was selected as the sweet potato variety cultivated in protected areas in southern Shandong Province. This variety was cultivated by Long...

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Abstract

The invention discloses an early-maturing-promoting efficient cultivating method for a sweet potato protected area in the southern Shandong province. An early-maturing, high-yield and high-quality sweet potato new variety Longshu 9 is selected, a three-film covering planting mode and a fresh potato and potato seedling sale production mode are adopted, organic fertilizer is additionally applied inthe production process, the technical means of timely early planting, reasonable close planting, heat preserving and heating, seedling harvesting and scientific management is carried out, and the problems that in the sweet potato early-maturing-promoting cultivating technology, the ground temperature is low, heating is difficult, the survival rate of potato seedlings is low, development is slow, and the sweet potato planting benefits are slightly increased are solved. Compared with a traditional planting method, by means of the method, the sweet potato planting time can be advanced before andafter 25th February, seedlings are harvested starting from the last ten days of April, the seedlings are harvested 3-5 times in the whole sweet potato growth period, about 60,000 potato seedlings areharvested in the area of 666.7 m<2>, fresh potatoes are harvested starting from the first ten days of June, and it is promoted that the fresh potatoes come into the market in advance.

Description

technical field [0001] The invention relates to the technical field of crop cultivation methods, in particular to a method for early-adoption and high-efficiency cultivation of sweet potatoes in protected areas in southern Shandong. Background technique [0002] Sweet potato is an important economic crop, feed crop and energy crop. Its roots, stems and leaves are rich in nutrients and are praised as the best health crops at home and abroad. Sweet potato has the advantages of high yield, stable yield, strong stress resistance, wide adaptability, less input, more output and lower risk. With the development of the economy and the improvement of people's living standards, the nutritional and health functions of sweet potatoes have gradually been recognized by people. The sales of fresh potatoes have increased year by year, and farmers' enthusiasm for planting sweet potatoes has further increased. [0003] With the development of facility agriculture, facility production is also...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/25
CPCA01G22/25
Inventor 井水华
Owner 济宁市农业科学研究院
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