India: Naturally ventilated polyhouses for cucumber found as best greenhouse for hot and arid region

게시됨 2021년 9월 2일

Tridge 요약

A study conducted in Jodhpur, Rajasthan, India, by a team of researchers evaluated the performance of a specific cucumber type under three protected structures: naturally ventilated polyhouse (NVP), insect proof net house (INH), and shade net house (SNH). The research found that the NVP provided the most favorable conditions for cucumber growth, resulting in significantly higher yields compared to the other structures. The NVP provided lower air and soil temperatures, higher relative humidity, and optimal radiation, which collectively led to better plant growth and physiological activity. The findings suggest that the NVP is the best low-technology protected structure for cucumber cultivation in Indian hot arid regions.

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원본 콘텐츠

The performance of a cucumber type evaluated under three protected structures has been monitored by a group of researcher. Their research includes naturally ventilated polyhouse (NVP), insect proof net house (INH) and shade net house (SNH) at Jodhpur, Rajasthan in hot arid region of India "The photosynthetically active radiation (PAR) inside these structures during cropping period ranged from 154-842 µmol m-2 s-1 was much lower than the outside. Among structures, air temperature was 1.2°C and 0.7°C lower while relative humidity (RH) was 17 and 4 per cent higher in NVP and SNH respectively as compared to INH," they conclude. "Relatively low air as well as soil temperature, coupled with high RH and optimal radiation in NVP led to better plant growth and physiological activity which resulted in 42 and 142per cent higher yield than INH and SNH, respectively. Hence, it can be recommended that NVP is the best low-tech protected structure which modifies the microclimate favouring ...

출처: Hortidaily