hum geo unit 5 Flashcards
what is the 1st agricultural revolution
farming new to the earth. Root plants cultivated in Asia.
what did the 1st agricultural revolution create
Diffusion of farm technique, plant domestication, animal domestication such as cattle. And argicultural innovations such as the simple plow.
how did the first agricultural revolution go
surplus exta people to sedentary. Where people became still. Which then created urban civilizations.
subsistence farming
growing enough food to survive. People do not usally own land anf may move often.
what did the 1st agricultural revoluion lead to
it lead to the frist urban anf neolithic revolution.
how did colonilism imporvershed poor subsistence famers
the owner told hte famers what crops they were supposed to grow, which was not for the farmers benefit.
shifting cultiviation
nutrients are leached out of the soil so crops wont grow there anymore. SO the people move to a differnt area.
ex slash and burn, swidden the use of fire
why is shifting cultivation not as wastful and destructive
although the land is being destroyed not in the level of how it would be if commercial farming were to take place. there is no use f chemicals.
who does shifting cultivation
mostly nomadic people do this so its is lower in pouplation.
milpa
means small feild in mesoamerica
what are the 3 sisters
corn, beans, squash
why are those crops called the 3 sisters
they complement each other, take up differnt nutrients, and has an efficent use o the land. corn gtows up, squash down , and the beans in a vine.
root crops
things you pick out of the ground
columbian exachange from NA to europe
sweet potato, potato, corn, bean, squash, tobacco, coffe bean
columbian exachange from europe to NA
olive, sugar cane, grape, grains, livestock, many diseases
what did the second agricultural revolution lead to
the industrial revolution which led urban revolution.
second agricultural revolution
farming revoluntinized. such as tools, animal fertilization, storgae and disrubution. The productivity increased to meet the demand. The beeter diet led to longer life span.
esther bosarupt
famers meet the needs of the people. this was seen the 2n agr revolution
landscape in the 2nd agrcultural revolution
the landscape altered regionally. This resulted in differnt types of farmng. This was due to latitude and altidute.
3rd agrculturl revolution
new high yielded crops, and techniques. However agricutlure uses more water than the human pop.
when was 2dn agr revoltion
17th and 18th century
green revolution
happned in the 3rd agr revoltion. Saved the world from famine. so people started using chemical fertilization and drip irrigation
political disadvantges of green revolution
- gov has the see the regualtion of chemicals. they can be used for bombs.
environemntal disadvantages of green reolution
- the runoff of fertilizer causes drastic effects to the ecosystem
social disadvantages of greeen revolution
- the food grwon is not being distrubuted equally
gender disadvantages od green revolution
- the chemicals put in the food can alter human hormones.
- woman dont have equal oppertunities in farming
economic disadvantages in green revolution
- too expensive for samll farmers, as fertilizers cost a lot of money. so the small famrs go out of businuess
industrialization of food production
most famring is taken over by agribusnesis . the business takes over agriculture.
GMO or GMF
o-orgnisms
f- fertilizers
the plants beome resistent to it
double cropping
were the fist crops to be genetically modified : RICE and CORN. this is so that in 2 seasons they can grow double the amout of crops.
hybridization
breeding
cominign organimisms DNA
specialization
becauses of certain climates n an rea farmers spelize in one type of crop
mechanization
- machcines that help with famring that use fossil fuels. This uses resources faster and create pollution.
oil is used more on plants to make the pestisicdeds stick beeter so they donts wash off.
when is the 3rd agr revoltuion
late 19th anf 20th centry - is the present.
