Cold region paddy seedling culture matrix

Abstract

The invention provides a cold region paddy seedling culture matrix and relates to a paddy seedling culture matrix, and the cold region paddy seedling culture matrix is used for solving the problems of slow seedling emergence of the earlier stage, more irrigation times, serious damping off during the mid-to-late stage of seedling growing and obvious fertilizer removal during the later stage of the seedling when the existing paddy seedling culture matrix is applied in paddy cultivating areas of cold regions. The cold region paddy seedling culture matrix is prepared from edible fungus residues, coal ash, grass carbon, vermiculite and perlite, or ground straw, the coal ash, the grass carbon, the vermiculite and the perlite. The paddy which uses the cold region paddy seedling culture matrix does not need disease preventing and weeding during the seedling culture period, only needs to be irrigated, is convenient to operate, time-saving and labor-saving, has high quality seedlings and stronger stress resistance, no damping off, bacterial wilt and other diseases are caused during the seedling stage, and the seedlings are short and strong, have wide leaves and bright green color. The cold region paddy seedling culture matrix is applied in the paddy field.

Description

technical field [0001] The invention relates to a rice seedling raising substrate. Background technique [0002] In my country, the rice area north of 40 degrees north latitude is usually called the cold area rice cultivation area. Heilongjiang Province is located in the northernmost part of my country and is one of the high latitude rice areas in the world. The rice planting area is 44°20′18.44~50° north latitude 15′1.01, it belongs to the cold area rice cultivation area. The characteristics of rice growth in cold regions are short growth days, less active accumulated temperature, slow warming in the early stage, short high temperature time in the middle stage, rapid cooling in the late stage, and more cold damage from low temperature. [0003] Rice dry-raising and sparse planting technology has played a decisive role in the high and stable yield of rice, but dry-raising seedlings are prone to blight, which requires acid adjustment and disinfection. The technical links suc...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the problems of slow seedling emergence in the early stage, many times of watering, serious blight in the middle and late stages of seedling growth and obvious defertilization of seedlings in the late stage of the rice seedling raising substrate in the cold area rice cultivation area, and provides a kind of cold Ground rice seedling substrate

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