Study on crop growth environment factors in mini-greenhouse in balcony based on internet of things

doi:10.3969/j.issn.1004-1524.2020.01.07

›› 2020, Vol. 32 ›› Issue (2): 234-242.DOI: 10.3969/j.issn.1004-1524.2020.01.07

• Horticultural Science • Previous Articles Next Articles

Study on crop growth environment factors in mini-greenhouse in balcony based on internet of things

ZHANG Fang¹, WANG Peixin¹, HE Yong², LUO Huifeng³, SHOU Guozhong^1,*

1. School of Engineering, Zhejiang A & F University, Hangzhou 311300, China;
2. School of Agricultural and Food Science, Zhejiang A & F University, Hangzhou 311300, China;
3. Hangzhou Academy of Agricultural Sciences, Hangzhou 311300, China

Received:2019-09-02 Online:2020-02-25 Published:2020-03-13

Abstract

Abstract: In order to accurately control the growth environment of greenhouse crops, cherry tomato Jinzhu was used as the research object to monitor the environmental factors of mini-greenhouse on the balcony by using a next generation internet of things system, and diurnal variation of crops in various environmental regions was studied. The results showed as follows: (1) Light intensity outside the greenhouse was higher than that in the greenhouse. And there were significant differences existed in light intensity in diverse areas of greenhouse. The light intensity in upper area was stronger than that in lower area. In addition, the light intensity decreased from south to north. (2) Air temperature in the greenhouse was higher than that outside the greenhouse. In the greenhouse, air temperature in the whole greenhouse was similar at seedling stage, air temperature in inner group was higher than that of outer group during the flowering stage and fruiting stage. Additionally, soil temperature in outer group was higher than that in inner group of greenhouse throughout the growth period. (3) Air humidity outside the greenhouse was significantly higher than that in the greenhouse. Also, air humidity in inner group was higher than that in outer group of greenhouse at seedling stage. After entering flowering stage, air humidity in outer group was 4%-6% higher than that in inner group of greenhouse. During the fruiting stage, air humidity was apparently higher. Furthermore, diurnal variation of humidity had small fluctuation. (4) Carbon dioxide concentration in outer group was higher than that in inner group of greenhouse.

Key words: internet of things, mini-greenhouse on the balcony, cherry tomato, light intensity, temperature, humidity

CLC Number:

S625

ZHANG Fang, WANG Peixin, HE Yong, LUO Huifeng, SHOU Guozhong. Study on crop growth environment factors in mini-greenhouse in balcony based on internet of things[J]. , 2020, 32(2): 234-242.

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Study on crop growth environment factors in mini-greenhouse in balcony based on internet of things

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