Paddy Soil Compaction Prediction Model

The model, based on soil rebound and compression indices, accurately predicts post-compaction bulk density under intensive production, providing a quantitative tool for assessing soil structural damage in paddy fields.

Ding, Qishuo · Haotian, Sun · Li, Yinian · Xu, Gaoming · He, Ruiyin

Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering 2023

Specifications

measured bulk density
{'zh': '', 'en': '< 5'} %
modulus Es range
{'zh': '0.25', 'en': '0.25'} cm/kPa
modulus Ec range
{'zh': '0.8', 'en': '0.8'} cm/kPa
stress pc range
{'zh': '160', 'en': '160'} kPa

Advantages

Transfer function fits with coefficient of determination (R²) > 0.95