Lesson 1.2: Brief History Of Soil and Agriculture Flashcards
Agri is very much tied with ____ and ____ of human civilization
Fall and success
Agri and soil are related to ______ and survival
Food production and survival
People fought for land as it is a source of _____ and _____
Identity and survival
____ and ____ societies are rich because of rich agriculture
Modern and ancient
Nomadic tribes; Not more than 40 can be supported by an area
Hunting and Gathering
Dependable food supply that is able to support larger societies
Domestication revolution
More food surpluses that resulted to trades, division of labor, and accumulation of valued goods.
Domestication revolution
Accumulation of valued goods resulted to inequality in terms of wealth. Wealth becomes hereditary
Domestication revolution
Invention of plow
Agricultural revolution
Use of steam to replace human and animal muscles
Industrial revolution
Even larger surplus
Agri Rev
Greater labor division
Agricultural revolution
Invention of machines
Industrial revolution
Factory system
Industrial revolution
Development of new crop cultivars
Green Revolution
IRRI was established in PH
Green Revolution
IR8 was developed. PH was rice exporter during this period
Green Revolution
Father of Green Revolution
Norman Borlaug
4 Contributions of borlaug
High yielding cereal grains
Management techniques
Irrigation expansion
Pesticides and fertilizers
Problems Emerged during GR
- Reliance on pesticides and fertilizers
- Mono cropping = loss of diversity
- Greater occurence of pests and diseases.
- Soil did not recuperate
- Soil erosion due to intense cropping
Creating and modifying new varieties (GMO)
Biotechnology Revolution
BT corn has _______ that is poisonous to pests.
Bacillus Thuringiensis
Issues with GMO (BPH)
Biodiversity: kills non pests org
Patents: farmers buy seeds from companies
Health Issues: gossips
Modern computing, GPS, Sensing equipment
Information Revolution
