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Rice variety comparison testing machine-transplanting cultivation method

A technology for comparing experiments and planting methods, applied in the field of rice cultivation, can solve problems such as inability to form blankets, low efficiency of machine insertion, large planting area, etc., and achieve the effect of improving planting efficiency

Active Publication Date: 2018-06-22
CHINA NAT RICE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some places, machine-transplanted rice seedlings are used for variety evaluation. However, due to the interval between sowing of small varieties and the inability to form blankets, the machine-transplanted efficiency is low, and the planting area of ​​one variety per seedling tray is too large, which is not conducive to the comparison of a large number of varieties. Machine-transplanted Seedling Raising Technology for Planting in Small-area Plots

Method used

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  • Rice variety comparison testing machine-transplanting cultivation method
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Experimental program
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Effect test

Embodiment 1

[0024] The invention discloses a planting method of machine-transplanted rice variety comparison test. The planting method of different rice variety tests can be carried out by machine-transplanting degradable seedling-raising trays, which can carry out machine-transplanting of multiple varieties at the same time. Specifically, it is completed through the following steps:

[0025] 1) Select the seedling tray, which is made of polylactic acid bio-based plastic, a bowl-shaped blanket-shaped degradable seedling tray, with a length of 58 cm, a width of 28 cm, 36 rows in the vertical direction and 18 rows in the horizontal direction, and the total number of pots is 648. Wherein, the bottom of the seedling-raising tray is a seedling-raising substrate, and the seedling-raising substrate is soil with less salt, loose and fertile soil, and no pesticide residue, which is obtained by mixing it with decomposed livestock and poultry manure;

[0026] 2) Put the seedling raising tray into the...

Embodiment 2

[0030] In order to describe the technical solution of the present invention more clearly and embody the technical effects of the technical solution of the present invention, the technical solution of the present invention can be further explained below in conjunction with the accompanying drawings.

[0031] The machine-transplanted planting comparison of 54 varieties of single-cropping rice includes the following steps:

[0032] 1) Soil preparation and fertilization: mechanical plowing and land preparation before planting, field arrangement is the same as conventional machine-transplanted field plots, and base fertilizer is applied before machine-transplanted.

[0033] 2) Germination and sowing: Before transplanting, weigh 60-70 seeds of each variety according to the weight of 1,000 seeds, soak the seeds in Seedling Ling for 48 hours, and accelerate germination at 35°C for 24 hours. Use degradable bowl-shaped carpet-shaped seedling trays for sowing, each tray uses 5L of Zhongj...

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Abstract

The invention discloses a rice variety comparison testing machine-transplanting cultivation method. According to the method, machine-transplanting with trays is conducted by using degradable growing trays, areas of each variety are separated by using ridges, field management is conducted according to growing periods of different rice, and sampling and comparison are conducted in maturity stage tomake variety characteristics of different rice clear; machine-transplanting with the trays is achieved to overcome the problem that a carpet cannot be formed by traditional area seeding and seedling nursing, the operation efficiency is improved by using the degradable growing trays, simultaneous seeding by machine transplanting of multiple varieties can be achieved in each tray, and the scale of variety comparison testing is improved.

Description

technical field [0001] The invention belongs to the technical field of rice cultivation, and in particular relates to a machine-transplanted planting method for a comparison test of rice varieties. Background technique [0002] Rice is an important food crop in my country and is the basic ration of more than 50% of the population. There are various varieties of rice in my country, and more than 800 varieties are used in production. Due to the differences in the basic characteristics of different varieties such as ecological adaptability, fertilizer tolerance, and yield varieties , Variety comparison is an important way to select good varieties and promote planting. For a long time, the comparative experimental planting of rice varieties in my country has been mainly manual planting, which requires a lot of labor and the planting scale is small. Due to long planting time and other reasons, large-scale variety comparison experiments lead to differences in rice growth periods, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/22A01G9/029
Inventor 王亚梁朱德峰徐一成
Owner CHINA NAT RICE RES INST