biological control via entomophatogenic viruses: baculovirus

Entomopathogenic viruses are those that infect and kill insects.  They are superior to regular pesticides because they are not harmful to humans or other vertebrates. Furthermore, each viral strain attacks only a limited number of insect species which helps to mitigate unpredicted damage. There are two types of entomopathogenic viruses: Baculoviridae (ds DNA) Nucleopolyhedrovirus Granulovirus …

an introduction to integrated pest management (IPM)

Integrated pest management (IPM) is a long-term pest prevention program that focuses on ecosystem-based strategies for the control of pest-related issues. This is accomplished through a combination of techniques including biological control, habitat manipulation, modification of cultural practices and the use of resistant cultivars. The use of chemical pesticides is then restricted to applications only after …

what is the difference between intensive and extensive agricultural systems as they relate to livestock production?

Technology has become a dominant part of our everyday lives and our food production system is no exception. Accordingly, since the turn of the 20th century, the standard approach to production has shifted from extensive production to intensive production as businesses have opted to replace natural services with technology. In this respect, intensive livestock production …

the green revolution

There is no doubt about it - there are a lot of people in the world: more than 7 billion. The sheer number of humans is probably even too much for our brains to process. Still, we're all here and more people are coming joining the global population and every day. Feeding so many people …

8 essential questions to ask before installing an irrigation system

Irrigation systems offer a variety of benefits.  They allow for the growth of a wider variety of crops.  They can be timed so that the hands-on portion of crop production is a little less cumbersome.  They protect crops from irregular and dry weather conditions.  They support leaching, which can remove harmful, crop-damaging salts within in …

a history of the development of the food pyramid and dietary guidelines in the United States

Throughout the 20th century, the food mantra of the United States changed from 'eat more'  to 'eat less'. The 'eat more' mentality (1890s-1960s) was in response to widespread disease caused by nutritional deficiencies and the eat less (1960s- present) is in response to the dramatic increase in chronic disease brought about by unhealthy diets and sedentary lifestyles. …

horticulture

WHAT IS HORTICULTURE? Horticulture is a $17 billion [USD] industry that produces more than 2.4 billion tons of goods annually. It provides employment and income [something particularly beneficial to women in developing countries], as well as aesthetic, sociological, and psychological benefits.  Civilization is dependent on the products produced by horticultural endeavors for the food that …