TY - BOOK AU - GURBACHAN Singh TI - Optimal energy for tillage tools U1 - 631.31 G96O PY - 1983/// PB - Ludhiana KW - TILLAGE KW - AGRICULTURAL MACHINERY KW - DRAFT KW - ENERGY KW - MODEL KW - OPTIMISATION KW - PROTOTYPE N2 - A force prediction equation for a simple flat plane blade relating draft force with depth of cut, tool width, soil profile density, tool velocity and analog values for predicting draft of the soil working tool (prototype) using distorted model as an analo ER -