Cov keeb kwm cog qoob loo
Dec 16, 2016
Teb chaws Europe thawj zaug seeding nyob rau hauv 1636 nyob rau hauv Greece ua. Nyob rau hauv 1830, lub Russians ua retrofit seeding unit rau ib tug tsiaj twv plow plow seeder. Tebchaws Asmesliskas thiab lub tebchaws United States xyoo 1860, pib siv ntau hom tsiaj txhu tsiaj txhu. Tom qab xyoo pua 20th tau tshwm lub tsho thiab kev ncua ntawm kev xyaum hnav, zoo li siv pneumatic noob tho. Xyoo 1958 Norway thawj cov centrifugal seeders, 50 kauj ruam los ntawm kauj ruam tom qab qhov kev txhim kho ntawm qhov tseeb ntawm cog noob-tshuab.
Xyoo 1950 ntawm lub xyoo pua 20th, Suav teb tau coj tuaj qhwv noj, paj rwb, thiab 60 tshem tawm cov noob qoob cog qoob, cog kev loj hlob ntawm centrifugal seeder seeder, universal khib thiab cua suction seeder thiab lwm yam qauv, thiab kev loj hlob zoo ntawm Polish hom ntsuas ntsuas. Mus rau 70's, tau tsim ib lub noob qoob, General machines thiab grain ua ke seeder thiab ob series rau hauv ntau lawm. Rau kab qoob loo, pasture, grain, zaub, ntau yam hnyiab thiab qhov sowing cav tov siv dav. Lub caij no, tau zoo tsim ntau yam ntawm seeder precision.
