Archive for July, 2007
« Previous EntriesButterfly Farming in Papua New Guinea - Part 2 of 2
Tuesday, July 31st, 2007History and Government Policy
Soon after Europeans discovered New Guinea’s remarkable insect fauna around the turn of the century, collectors began arriving, and they have been coming ever since. Many were reputable professional or amateur scientists, gathering modest numbers of specimens for study and for museums, including Papua New Guinea’s own national collection. Others, however, were […]
Butterfly Farming in Papua New Guinea - Part 1 of 2
Tuesday, July 31st, 2007Butterfly farming is a growing new industry in Papua New Guinea, and by turning irdwings, mauve swallowtails, and other insects into a cash crop villagers are both earning money and practicing sound wildlife conservation. In this unique program butterfly farming is being used to complement the preservation of species and of habitats. In balancing the […]
Gabay sa Pagtatanim ng Gabi o Taro
Tuesday, July 31st, 2007Scientific Name: Colocasia esculenta Linn.
Common Name: Gabi, Taro
Ang gabi ay isa sa pinakamahalagang halamang-ugat sa ating bansa. Sa katunayan, ito’y pangatlo sa hanay ng mga halamang ugat na itinatanim dito sa bansa. Karaniwan itong itinatanim sa likod-bahay at kadalasan sa maliit na sukat ng lupa na hindi hihigit sa isang ektarya.
adyang mahalaga ang halos lahat […]
Biogas: What is it; How it is Made; How to Use it; - Part 3 of 3
Monday, July 30th, 2007Time
84. It may take up to three weeks or even a month for the waste in your biogas unit to start making gas. After that, gas will be made for about eight weeks.
85. During these eight weeks, half of the gas will be made in the first two or three weeks and the rest in […]
Biogas: What is it; How it is Made; How to Use it; - Part 2 of 3
Monday, July 30th, 2007Waste materials
What waste materials to use
58. Animal manure from cows, pigs and chickens, and crop and plant wastes are good materials for making biogas.
Materials for make biogas
59. You can use animal manure alone or plant materials alone or you can use both mixed together.
60. Straw which is mixed with manure, which you may have where […]
Biogas: What is it; How it is Made; How to Use it; - Part 1 of 3
Monday, July 30th, 2007 Introduction
1. Farmers and their families always look for ways to make their lives better.
Farmer families
2. One way farm families can make their lives better is to make their own fuel gas which they can use for cooking.
Use fuel gas
3. Today many farmers are making fuel gas at home. They make it from animal manure […]
Ferrocement: Applications in Developing Countries - Part 3 of 3
Monday, July 30th, 2007Appendix A
Ferrocement Boatbuilding in a Chinese Commune
The eight photographs herein of ferrocement boatbuilding in a commune in the People’s Republic of China are the first such to be published in the West. They show a large boatbuilding program in which simple ferrocement craft are produced With unsophisticated techniques in a rural area of a […]
Ferrocement: Applications in Developing Countries - Part 2 of 3
Monday, July 30th, 2007IV. Ferrocement for Food-Storage Facilities
The problem of food storage in the developing countries is emerging as a major subject of attention from technical assistance organizations. Increasing supplies of food grains, such as rice, wheat, and maize, resulting from the Green Revolution have caused an unprecedented need for grain storage in developing countries, yet most […]
Ferrocement: Applications in Developing Countries - Part 1 of 3
Monday, July 30th, 2007Preface
The National Academy of Sciences, through its Board on Science and Technology for International Development (BOSTID), has been concerned for many years with the application of science and technology to international economic development. The activities of the board have been largely supported by the U.S. Agency for International Development (AID).
Recently, at the request of […]
Farming and Raising Ducks - Part 3 of 3
Monday, July 30th, 2007Growing your own baby ducks
133. Earlier in this booklet, you were told that you can raise as many as 24 ducks that live by themselves and find their own food, with very little help from you.
139. So, if you would like to have more ducks, the easiest way to get them is to raise your […]
