Determining method of reasonable illuminating dose of facility vegetable

Abstract

The invention discloses a determining method of reasonable illuminating dose of a facility vegetable, which belongs to the technical field of facility growth. The reasonable illuminating dose of the facility vegetable is determined according to the following steps: taking the facility vegetable in the peak of a growing season; measuring a quick light response curve of vegetable leaves by a chlorophyll luminoscope and determining the reasonable illuminating dose of the facility vegetable according to a response curve of the transmission rate of apparent electrons to photosynthetic effective radiation in the quick light response curve of the vegetable leaves. By using the reasonable illuminating dose of the facility vegetable determined by the method, higher yield and lower nitrate accumulation level are ensured and energy sources are saved to the maximum, thereby the unification of high yield, good quality and low consumption is realized. The method has the advantages of high efficiency and speed, convenient operation and wide application range and can be used for facility growth vegetables and facility growth medicaments.

Description

A Method for Determining Reasonable Illumination Dose of Facility Vegetables technical field The invention belongs to the technical field of facility cultivation, and in particular relates to a method for determining a reasonable light dose of facility vegetables. Background technique At present, protected cultivation of vegetables has been widely carried out all over the world. As of 2003, the domestic protected horticultural cultivation area exceeded 1.4 million hectares, ranking first in the world. According to experts' forecasts, by 2010 the national horticultural facility area will reach about 2.5 million hectares. Vegetable protected cultivation has become one of the main means of vegetable production. However, due to factors such as facility coverage, shading of the skeleton structure, rainy and snowy weather in winter and spring, the crops in the facility often grow in a weak light environment. Due to insufficient light, excessive accumulation of nitrate in leafy...

AI Technical Summary

Problems solved by technology

However, due to factors such as facility coverage, shading of the skeleton structure, rainy and snowy weather in winter and spring, the crops in the facility often grow in a weak light environment

Due to insufficient light, excessive accumulation of nitrate in leafy vegetables, eating this kind of vegetables is extremely harmful to human health

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