Study on the growth rhythm of bryophytes and its application under indoor drip irrigation condition

doi:10.14088/j.cnki.issn0439-8114.2019.15.018

Abstract

Abstract: The experiment was conducted to study the growth rhythm and the application feasibility in dust absorption of bryophytes under indoor drip irrigation condition. Substrates, substrate tilt angle, drip speed and replenishment interval as factors on the growth of moss plants were studied under indoor drip irrigation condition. The indoor dust suction and the application feasibility in dust absorption of bryophytes were verified through experiments of dust adsorption, and a dust adsorption device was designed based on moss cultivation. The results showed that the flat substrate, especially the plank, was most conducive to the growth of bryophytes. When the speed of water supply was moderate, the wet bryophytes grew well. When the replenishment intervals was smaller, the effect on the growth of moss plant were more favorable, and the optimal replenishment intervals was two days. Under the water supply rate of V=0.9 mL/min, water content of bryophytes unit area should be approximately 2.0 L/（cm²·d）. It was confirmed that the wet bryophytes had better dust absorption effect.

Key words: bryophytes, drip irrigation, growth rhythm, dust absorption, indoor greening

CLC Number:

Q949.35

CAO Lin-tao, CAI Yong-long. Study on the growth rhythm of bryophytes and its application under indoor drip irrigation condition[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(15): 80-83.

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