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Tractor — This article is about a vehicle used in agriculture or construction. For the power unit of a semi trailer truck (articulated lorry), see tractor unit. For other uses, see Tractor (disambiguation) … Wikipedia
List of agricultural machinery — Agricultural machinery is any kind of machinery used on a farm to help with farming. The best known example of this kind is the tractor.Traction and power*Tractor *Crawler tractor / Caterpillar tractoroil cultivation*Cultivator *Chisel plow… … Wikipedia
Sowing — is the process of planting seeds. owing in practicePretreatment of seed and soil before sowing Before sowing, certain seeds first require a treatment prior to the sowing process.This treatment may be seed scarification, stratification, seed… … Wikipedia
Modelocking — Mode locking is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, on the order of picoseconds (10 12s) or femtoseconds (10 15s).The basis of the technique is to induce a fixed phase… … Wikipedia

Словари и энциклопедии на Академике