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One-year-two-harvest cultivation method for interplanting late-maturing dioscorea opposita in early-maturing dioscorea opposita

A cultivation method and yam technology are applied in the cultivation field of interplanting yam with two crops a year, which can solve the problems of uneven supply and demand in four seasons, limited yield during the growing season of yam planting, etc., achieve early sowing, reduce material and labor costs, and be economical. Obvious effect

Active Publication Date: 2016-05-25
三明市农业科学研究院
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a cultivation method for interplanting Chinese yam with two crops a year, the main purpose of which is to overcome the defects of the existing yam planting, the limited yield and uneven supply and demand in four seasons

Method used

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  • One-year-two-harvest cultivation method for interplanting late-maturing dioscorea opposita in early-maturing dioscorea opposita

Examples

Experimental program
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Effect test

Embodiment 1

[0058] Taking the Masha Town area at an altitude of 190 meters in Jianyang District, Nanping City, Fujian Province as the cultivation area, the monthly average temperature during the yam cultivation season from March to December is 20.8°C, the monthly average sunshine is 167 hours, and the monthly average rainfall is 186.2mm.

[0059] The cultivation method of the Chinese yam interplanting yam twice a year of the present embodiment comprises the following steps:

[0060] (1) Preparation of early-maturing yam: In the first ten days of February every year, select disease-free seed potatoes of early-maturing yam, cut them into stems weighing 45g and 4-6cm long, and apply slaked lime powder on the cut surface of each stem. Move the stems to the sun to dry for 3 days;

[0061] (2) Soil preparation: choose sandy soil or sandy loam soil where tuber crops have not been planted for 1 to 2 years or more than 3 consecutive years, and prepare the land in the first ten days of February. S...

Embodiment 2

[0073] The Langkou Town area at an altitude of 120 meters in Shaxian County, Sanming City, Fujian Province is taken as the cultivation area. During the yam cultivation season from March to December, the monthly average temperature is 21.6°C, the monthly average sunshine is 145 hours, and the monthly average rainfall is 139mm. .

[0074] The cultivation method of the Chinese yam interplanting yam twice a year of the present embodiment comprises the following steps:

[0075] (1) Preparation of early-maturing yam: In the first ten days of February every year, select disease-free seed potatoes of early-maturing yam, cut them into stems weighing 50g and 5-7cm in length, and apply slaked lime powder on the cut surface of each stem. Move the stems to the sun to dry for 4 days;

[0076] (2) Soil preparation: choose sandy soil or sandy loam soil that has not been planted with potato crops for 1-2 years in paddy and dry rotation or for more than 3 consecutive years, and prepare the fie...

Embodiment 3

[0088] The Linjiang Town area at an altitude of 200 meters in Shanghang County, Longyan City, Fujian Province is taken as the cultivation area. During the yam cultivation season from March to December, the monthly average temperature is 22.4°C, the monthly average sunshine is 159 hours, and the monthly average rainfall It is 145.9mm.

[0089] The cultivation method of the Chinese yam interplanting yam twice a year of the present embodiment comprises the following steps:

[0090] (1) Preparation of early-maturing yam: In the first ten days of February every year, select disease-free seed potatoes of early-maturing yam, cut them into stems weighing 55g and 6-8cm long, and apply slaked lime powder on the cut surface of each stem. Move the stems to the sun to dry for 5 days;

[0091] (2) Soil preparation: choose sandy soil or sandy loam soil where potato crops have not been planted for 1 to 2 years in paddy and dry rotation or for more than 3 consecutive years. In the first ten d...

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Abstract

A one-year-two-harvest cultivation method for interplanting late-maturing dioscorea opposita in early-maturing dioscorea opposita includes the steps of preparing seeds of the early-maturing dioscorea opposita, carrying out land preparation, sowing the seeds of the early-maturing dioscorea opposita, carrying out weeding and watering on the early-maturing dioscorea opposita, sowing seeds of the late-maturing dioscorea opposita, harvesting the early-maturing dioscorea opposita, managing the late-maturing dioscorea opposita, carrying out topdressing and harvesting the late-maturing dioscorea opposite. According to the method, due to the fact that the crop rotation period is reasonably arranged, the sowing time of the early-maturing dioscorea opposita is made earlier, harvesting and marketing of traditional dioscorea opposita are changed, centralized marketing of the dioscorea opposita is avoided, the dioscorea opposita is harvested and marketed in summer, namely, the blank period of dioscorea opposita supply, and thus obvious economic benefits and social benefits are achieved; due to the one-year-two-harvest cultivation mode for interplanting the late-maturing dioscorea opposita in the early-maturing dioscorea opposita, the dioscorea opposita yield per unit area is significantly increased, and the net increase of the yield of one season of dioscorea opposita is obtained with the same area; due to the fact that the varieties and the rotation crop period are reasonably selected, the early-maturing dioscorea opposita and the late-maturing dioscorea opposita do not affect each other in growth and yield; due to the fact that the material and labor cost for building frames in the dioscorea opposita cultivation process accounts for a high ratio, by means of the cultivation method of using the same land and the same frame for dual purposes, the material and labor cost can be significantly reduced.

Description

technical field [0001] The invention relates to a cultivation method of yam, in particular to a cultivation method of interplanting yam with two crops a year. Background technique [0002] Yam (Dioscorea polystachya Turcb.) belongs to Dioscorea family (Dioseoreaceae.) Dioscorea (Dioscorea L.), is a monocotyledon winding vine plant with the characteristics of dicotyledonous plants. Due to the high edible and medicinal value of yam, the planting area of ​​yam has increased year by year in recent years, and it has become a bright spot industry in many places to generate income and become rich. [0003] However, in the process of developing the yam planting industry, several bottlenecks hindering the development of the industry have also emerged: First, the national yam planting is mainly based on single production. Due to the long growth period of yam planting, the one-cooking system per year makes the unit area of ​​yam Output is very limited, and economic benefit is difficul...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 华树妹陈芝华李丽红雷伏贵曹奕鸯贺佩珍莫智龙
Owner 三明市农业科学研究院