Latest Issue
The 15th Scientific day : Bridging Science, Engineering, Technology & Industry for Cambodia's Growth
Published: July 31,2026Comparison Analysis of Deep Learning and Tree-Based Homogeneous Ensemble Learning Predictive Models on the KHR/USD Daily Official Exchange Rate
Published: July 31,2026Comparing Time Series, Machine Learning, and Deep Learning Models for Paddy Rice Price Forecasting in Battambang Province, Cambodia
Published: July 31,2026The Forecasting for Cambodia’s Rice Production Using Multiple Linear Regression and Tree – Based Ensemble Learning Methods
Published: July 31,2026From Educational Model to Achievements - Classifying Post-Graduate Success with Machine Learning
Published: July 31,2026Analysis on Machine Learning Models for Imbalanced Data Problem in Payment Fraud Detection
Published: July 31,2026A Computational Approach to Labor Market Analytics: Analyzing Skill Trends in Cambodia Using an LLM-Based Pipeline
Published: July 31,2026Recognizing Khmer Handwritten Digits with the Power of Sequential RNNs
Published: July 31,2026KVerifyID: A Hybrid Multimodal Approach for Khmer Online Writer Verification
Published: July 31,2026Estimating Rice Water Use using Water Balance Approach: Case study in Cambodia
-
1. Department of Rural Engineering, Institute of Technology of Cambodia
Academic Editor:
Received: June 01,2014 / Revised: / Accepted: June 08,2014 / Available online: June 27,2014
To improve water management for increasing rice productivity, the study of crop water demand is very important. This study aims to estimate the water requirement of rice by using direct measurement method (water balance conception method). The observation was undertaken in a small experimental paddy field, which has an area of 2650m2, located in Cambodian Agricultural Research and Development Institute (CARDI) in Cambodia. For Phka Rumduol variety (120 days) in the rainy season (August 1 to November 27, 2013), the total rice water requirement is about 651mm which lost 448mm (69%) by evaporation, 165mm (25%) by transpiration and 38mm (6%) by percolation. For Chul’sa variety (100 days) in the dry season (February 1 to May 11 2014), the total rice water requirement is 604mm which lost 406mm (67%) by evaporation, 146mm (24%) by transpiration and 52mm (9%) by percolation.