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So we've talked about the slow transition from hunting to farming and [Girl and boy talking in a room]

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we've hit the process of domesticating plants and animals and if you miss

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either of those videos well your loss they were amazing seriously we're

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expecting the academy award now anyday well like any good series these days [Girl and boy on stage as audience watches and cheers]

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we're going to go one step further and make it a trilogy and who's the star of

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our third video oh it's the plow well we're not talking about the plows that

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pile up snow on our driveways right after we shoveled ha, jerks! [Snow plow drives into a woman]

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we're talking about the plow that turns over soil and makes it ready for seeds

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well plows are one of the most important and fundamental tools in Agriculture's

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technological history and different societies have been improving them for [Two guys inspecting a plow up close]

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thousands of years. Well here are a few reasons we should all care about plows

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number one they have feelings you monster number two plows let people [Boy plowing a field]

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plant way way bigger fields of crops that means larger populations of people

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can live in the same place which in turns means you guessed it cities so yep [A road with trees either side and a crop city population road sign]

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plowing the earth makes fields more productive but it also has some unintended [A mechanical plow plowing through a field]

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environmental effects like erosion and degradation man nothing in the world is

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ever purely good except candy.. shut up Dennis alright moving on once folks [Boy eating candy and tells girl to shh]

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hooked animals up to plows the amount of human labor that went into farming

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took a steep dive but as any old-timey farmer can tell you driving an ox thats

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pulling a plow is still no cakewalk protip modern plows work [Man reading a book in a deserted field]

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a lot like ancient ones but there have been nifty improvements along the way like

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making them out of metal and hooking them up to giant tractors much less you [Girls discussing how much they miss ancient plows]

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know but some farmers and gardeners today think

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plowing does more harm than good why well first and foremost plows break [People on a street protesting that plows are bad]

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up the tough compacted layer of soil on the surface over a season of getting

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walked on rained on and baked in the sun that dirt is usually pretty hard new

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little baby seedlings wouldn't have a chance while plowing also mercilessly [Hardened soil with the sun beaming down]

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kills most of the weeds, oh poor weeds it either slices through their roots or

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turns them under a layer of soil not a great time to be a baby seedling [plants beginning to grow from seedlings above the soil]

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but it's not all bad news crops need lots of delicious nutrients

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like nitrogen, potassium, and phosphorus plowing can help bring those nutrients

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closer to the surface where plants can get at it mmm yum nutrients and some kind [boy playing pacman]

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of plows lead deep furrows in the fields long shallow ditches that keeps crops

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from being around in wet climates when the growing season is over some farmers

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plow their crops back into the soil to help supply next year's nutrients YUM [Two people stood outside a Plant Yum store]

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decomposed plant matter.. err nothing like it actually that doesn't sound any good at

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all we'll take Taco Bell over that any day [Boy telling a girl they should try a new fast food place]

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