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Germinating protecting agent for Cotton net bottom plastic container seedling

A technology of plug seedling cultivation and protective agent, which is applied in the field of agricultural cultivation and can solve problems such as water shortage, germ infection, and insufficient nutrition

Inactive Publication Date: 2009-10-07
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of insufficient water, insufficient nutrition and germ infection in the existing cotton seedling raising process, and to provide a method that can make the cotton seedling germination process sufficient in water and nutrition, and prevent the infection of germs. Seedling protection agent for cotton net bottom plastic plug seedling cultivation

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The seedling protection agent is a mixed composite agent, which is composed of 16.6% cross-linked polyacrylamide and polyacrylic acid potassium salt copolymer, 22.2% carbendazim, 16.7% ammonium bicarbonate, and 33.4% superphosphate , 11.1% potassium chloride made by mixing. The seedling protection agent is used for seedling cultivation in plastic plug trays at the bottom of cotton nets, and the total amount of seedbed per mu is 180g.

[0014] Yang Wanyu's experiment in Yangzhou University's farm and pasture showed that the application of seedling protection agent and the control (compared with no application), the seedling rate increased by 21%, the incidence of cotton seedling disease decreased by 19.6%, and the cotton seedlings increased by 1.2cm when transplanted. The leaves are obviously enlarged, and the seedling protection agent has a good effect of promoting emergence, preventing diseases and promoting the growth of cotton seedlings.

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Abstract

The present invention discloses a protection agent for cotton seedling. It is made up by using soil water-retaining agent, carbendazim, ammonium carbonate, calcium superphosphate and potassium chloride through a certain preparation process. In said cotton seedling protection agent the soil water-retaining agent is a cross-linked polyacrylamide and potassium polyacrylate salt copolymer, and its content is 14-19%, carbendazim content is 20-24%, ammonium carbonate content is 14-19%, calcium superphosphate content is 30-37% and potassium chloride content is 9-14%. Said invention also provides the concrete application method of said cotton seedling protection agent.

Description

technical field [0001] The invention relates to a seedling protection agent for growing cotton seedlings in a net-bottomed plastic tray, belonging to the technical field of agricultural cultivation. Background technique [0002] At present, cotton in the southern cotton region of my country is mainly planted in the method of transplanting seedlings in nutritional pots. This seedling raising method needs to prepare cylindrical nutritional pots with a diameter of about 7cm and a height of 8-10cm. The situation of the transfer of young labor force to the city. Therefore produced soilless matrix seedling cultivation, naked seedling transplanting technology. The plastic plug used in the soilless substrate seedling raising technology is an ordinary plastic plug with only a small hole (about 0.5 cm in diameter) at the bottom, and the seedling raising carrier is a soilless substrate (mainly vermiculite and mica substances). The exchange of water and nutrients around cannot meet the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N59/26A01N47/18A01N25/22
Inventor 陈德华张祥陈源
Owner YANGZHOU UNIV
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