강우 자료와 밭작물 물관리 지침서를 이용한 노지 밭작물의 관개 필요량 산정 연구
Irrigation Water Requirements for Upland Crops Using Rainfall Data and Water Management Guidelines
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초록
The purpose of this study is to determine the amount of irrigation water for upland crop growth based on the 30 year of historical rainfall data andthe water management guidelines as a reference. Five regions and ten crops were selected by their cultivation size. The changes of soil moisture contentswere calculated using daily mean rainfall and irrigation demand. This study assumed that crops are irrigated when the soil moisture contents fell belowof the field capacity for more than 5 days, which is the drought condition defined by RDA. The maximum irrigation water requirements was 167.2mm for chinese cabbage during the growing season, which was followed by corn (112.0 mm), daikon (102.3 mm), spinach (66.1 mm), lettuce (56.7mm), pepper (46.5 mm), potato (33.9 mm), sweet tomato (27.4 mm), peanut (11.5 mm) and bean (10.3 mm), The results of this study could contributeto providing valuable data to determine the capacity of irrigation facilities and to establish the emergency operation plans under extreme unfavorableweather condition (heat wave, etc.) for crop growth.
Abstract
The purpose of this study is to determine the amount of irrigation water for upland crop growth based on the 30 year of historical rainfall data andthe water management guidelines as a reference. Five regions and ten crops were selected by their cultivation size. The changes of soil moisture contentswere calculated using daily mean rainfall and irrigation demand. This study assumed that crops are irrigated when the soil moisture contents fell belowof the field capacity for more than 5 days, which is the drought condition defined by RDA. The maximum irrigation water requirements was 167.2mm for chinese cabbage during the growing season, which was followed by corn (112.0 mm), daikon (102.3 mm), spinach (66.1 mm), lettuce (56.7mm), pepper (46.5 mm), potato (33.9 mm), sweet tomato (27.4 mm), peanut (11.5 mm) and bean (10.3 mm), The results of this study could contributeto providing valuable data to determine the capacity of irrigation facilities and to establish the emergency operation plans under extreme unfavorableweather condition (heat wave, etc.) for crop growth.
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