EESB16H3 Lecture Notes - Lecture 1: Intercropping, Free Range, Genetic Diversity
8 Apr 2015
School
Department
Course
Professor
Document Summary
Impact of agricultural activity (cid:1) = (cid:3) (cid:6) (cid:7) A = affluence or in this case, caloric needs. T = technology, how theses calories are provided. The course will focus on the t required, or not, to meet a for increasing p. Fed by sun, rain, soil (fed by animal waste as well) Great deal of north america crop production made for livestock rather than humans. Inputs include chemical fertilizer, pesticides (herbicides and insecticides) Harvest depends on highly mechanized equipment that depends on crop uniformity. Fruits and vegetables: massive use of pesticides, residue analysis variable, emerging disease threaten common crops (banana, coconut, citrus, genetic diversity extremely low compared to original species, massive transportation costs. Requires high energy inputs (water, light, heat) Feed often includes other animals, frequently fishmeal, is heavily managed: polluted water (nitrate, phosphorous, high volumes of water, antibiotic resistant microorganisms, disease. Overcrowding promotes disease and high levels of antibiotics. Habitat loss issues critical for shrimp farms.
