A kind of seedling raising method of disc type drill

A drill and disc-type technology, applied in the field of agriculture, to achieve the effect of increasing the number of effective panicles, increasing the yield of rice, and realizing the effect of mechanical transplanting

Inactive Publication Date: 2016-08-17
RICE RES INST HEILONGJIANG ACADEMY OF LAND RECLAMATION SCI
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Problems solved by technology

[0004] Previous studies mostly focused on reducing the sowing rate on the quality of seedlings and the impact of rice yield and quality, but how to improve the microenvironment of rice seedling growth to make it more conducive to the growth and development of rice seedlings; how to reduce the sowing rate and save costs, There are few reports on the problem of not increasing the rate of missing holes

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  • A kind of seedling raising method of disc type drill
  • A kind of seedling raising method of disc type drill
  • A kind of seedling raising method of disc type drill

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Embodiment Construction

[0015] Below in conjunction with specific embodiment the technical scheme of the present invention is described in further detail

[0016] Materials and Methods

[0017] Materials and test site conditions

[0018] The variety tested was Kongyu 131, an 11-leaf variety mainly planted in Heilongjiang Province. The seedling raising test in 2008 was carried out in the Jiangbei Greenhouse of the Rice Research Institute of Heilongjiang Academy of Agricultural Sciences. The plot experiments in 2009 and 2010 were carried out in the Jiangbei Experimental Area and the Jianan Experimental Area of ​​the Rice Research Institute of the Heilongjiang Academy of Agricultural Sciences respectively. The soil in the Jiangbei test area is paddy soil, the cultivated layer has a pH of 6.2, contains 2.473% organic matter, and 173.57mg kg of available nitrogen -1 , available phosphorus 22.99mg kg -1 , available potassium 79.42mg kg -1 The soil in the Jianan test area is chernozem, the cultivated la...

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Abstract

The present invention discloses a tray type seedling method by drilling, wherein a drilling number ranges from 13 to15, and a seeding rate is 70g ~ 75g bud seeds per tray. According to the invention, the adopted seedling method by drilling is beneficial for improving rice seedling quality and achieving rice seedling transplantation by machine. After the rice seedlings by drilling are transplanted into a field, rice population biomass increases, the number of productive ears increases and a rice yield improves.

Description

technical field [0001] The invention belongs to the technical field of agriculture, and relates to a method for growing seedlings by disc-type drills, in particular to a method for raising seedlings by disc-type drills for rice. Background technique [0002] my country's machine-transplanted rice seedlings are mainly raised in tray-type seedlings. In order to reduce the rate of missed seedlings in the process of machine transplanting, the amount of seed used for seedling breeding is often excessively increased, resulting in excessive population density of rice seedlings and low quality of rice seedlings, which seriously affects the yield and quality of rice. Strong seedlings have the characteristics of strong photosynthetic ability, large accumulation of dry matter production, strong rooting ability, and strong stress resistance, which are the basis for high yield of rice. Reducing the sowing rate is an important means of cultivating strong rice seedlings. However, reducing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C7/00
Inventor 萧长亮解保胜那永光赵姝沈巧梅赵泽松孙桂芳王贺乔金玲
Owner RICE RES INST HEILONGJIANG ACADEMY OF LAND RECLAMATION SCI
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