Crop frost damage prevention fertilizing method

Abstract

Provided is a crop frost damage prevention fertilizing method, specifically comprising the followings: (1) a week before autumn early frost, using an atomizer to spray clear water once on plant leaf surfaces, if the weather is rainy, spraying water being not needed, an objective being humidifying plant leaf surfaces and making plant water content increased; (2) the second day after spraying water, using a plant antifreezing solution to uniformly mix with water according to proportion of weight ratio of 1 to 80, atomizing on plants at 6-8 o' clock; after sunset in the afternoon, atomizing on the plants again; if in a rainy day, spraying in the second day after the weather clears up; (3) after a week, spraying once respectively in the morning and evening, to enhance the plants, so the antifreezing solution can adhere on the surfaces of the plants and form a layer of protection film; (4) after freeze injury occurs, spraying once again in the morning and evening, to rescue plant freeze injury.

Description

technical field [0001] The invention relates to the field of agricultural technology, in particular to a method for fertilizing crops to prevent freezing damage. Background technique [0002] In northern my country, the temperature often changes in early spring, late autumn and early winter, and crops are often invaded by cold waves due to sudden changes in the weather. The sharp drop in temperature caused severe freezing damage, which caused the loss of some tissues such as leaves and flowers. Even for some cold-resistant crops, the cold-resistant exercise in the crops had not been completed at the end of autumn, resulting in huge losses. [0003] The impact of freezing damage on crops is mainly caused by the freezing of plant cell spaces and plant cell freezing. When the temperature drops rapidly, the water in the cell spaces first freezes, and the water vapor in the surrounding cells flows into the ice crystals in the cell spaces. Coagulation increases the volume of ice ...

AI Technical Summary

Problems solved by technology

The sharp drop in temperature caused severe freezing damage, which caused loss of some tissues such as leaves and flowers. Even for some cold-resistant crops, the cold-resistant exercise in the crops has not been completed at the end of autumn, causing huge losses.