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2014•Unpublished venueRequires access

Effects of Water Saving Irrigation on Population Growth Characteristics of Rice in Cold Area

YU Yan-mi

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Abstract

The effects of 3 water saving irrigation models namely shallow-wet-dry irrigation, intermittent irrigation and aerobic irrigation on population growth characteristics of rice were studied. The results indicated that the tillering process was delayed, tiller number was increased by 27~54 tillers/m2compared with conventional irrigation. The spike rate were increased by 3.2%, 13.9%, 12.8%respectively. Root dry weight and root shoot ratio were higher than conventional irrigation.

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What this paper is about

The effects of 3 water saving irrigation models namely shallow-wet-dry irrigation, intermittent irrigation and aerobic irrigation on population growth characteristics of rice were studied. The results indicated that the tillering process was delayed, tiller number was increased by 27~54 tillers/m2compared with conventional irrigation. The spike rate were increased by 3.2%, 13.9%, 12.8%respectively. Root dry weight and root shoot ratio were higher than conventional irrigation.

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Available abstract

The effects of 3 water saving irrigation models namely shallow-wet-dry irrigation, intermittent irrigation and aerobic irrigation on population growth characteristics of rice were studied. The results indicated that the tillering process was delayed, tiller number was increased by 27~54 tillers/m2compared with conventional irrigation. The spike rate were increased by 3.2%, 13.9%, 12.8%respectively. Root dry weight and root shoot ratio were higher than conventional irrigation.

Key concepts: Irrigation, Tiller (botany), Agronomy, Environmental science, Population, Mathematics, Biology, Sociology

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