Human and animal power; Mechanical power; Agricultural production systems; Tillage; Planting; Fertilization; Weed control; Insect and predator control; Harvesting; Grain drying and storage; Transport; Social consequences; Machinery economics.For example, if the recommended repair curve, repair group 3, for a self- propelled combine seems too low, the estimated repair cost can be increased by using a steeper curve, such as repair group 4. The estimated repair cost can also beanbsp;...
|Title||:||Dibble Sticks, Donkeys, and Diesels|
|Author||:||Joseph K. Campbell|
|Publisher||:||Int. Rice Res. Inst. - 1990|