spacing (seed) drill -

См. также в других словарях:

• grain drill —       machine for planting seed at a controlled depth and in specified amounts. The earliest known version, invented in Mesopotamia (Mesopotamia, history of) by 2000 BC, consisted of a wooden plow equipped with a seed hopper and a tube that… …   Universalium

• 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

• Mechanised agriculture — Mechanized agriculture is the process of using agricultural machinery to mechanize the work of agriculture, massively increasing farm output and farm worker productivity. In modern times, powered machinery has replaced many jobs formerly carried… …   Wikipedia

• vegetable farming — Introduction       growing of vegetable crops, primarily for use as human food.       The term vegetable in its broadest sense refers to any kind of plant life or plant product; in the narrower sense, as used in this article, however, it refers… …   Universalium