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Full-Text Articles in Life Sciences

An Analysis Of Indigenous Knowledge Systems: Implications For Agricultural Extension Education With Particular Reference To Natural Resource Management In Zimbabwe , Olivia Nyembezi Muchena Jan 1990

An Analysis Of Indigenous Knowledge Systems: Implications For Agricultural Extension Education With Particular Reference To Natural Resource Management In Zimbabwe , Olivia Nyembezi Muchena

Retrospective Theses and Dissertations

The objective of the study was to develop a theoretical framework for analyzing and utilizing indigenous knowledge systems (IKS) information on natural resources in agricultural extension education. IKS are characterized by an integrated system of cognition, beliefs, values and practices that are pervasive in life. The emerging aspects of cognitive psychology and emic-etic perspectives required to handle IKS corresponded to a confluent curriculum. This curriculum integrates the affective domain with the cognitive and psychomotor domains to add meaning to what is learned. The confluent curriculum approach was modified to highlight the philosophical and psychological (beliefs and values) needs to facilitate ...


G90-968 Nebraska's Forest Resources: Acreages And Ownership, Thomas L. Schmidt, Michael R. Kuhns Jan 1990

G90-968 Nebraska's Forest Resources: Acreages And Ownership, Thomas L. Schmidt, Michael R. Kuhns

Historical Materials from University of Nebraska-Lincoln Extension

This guide describes the forest types found in Nebraska and lists acreages by ownerships.

Nebraska's forest resources are very diverse and represent a unique combination of eastern hardwood, western coniferous, and northern boreal forests. Species in Nebraska hardwood forests include bur oak, red oak, silver maple, green ash, cottonwood, black willow, hackberry, black walnut, American basswood, boxelder, American elm, honeylocust, hickories and mulberry. In addition, eastern redcedar (a conifer) is found throughout the eastern hardwood forests. Conifer forests primarily contain ponderosa pine and Rocky Mountain juniper. The boreal forests contain a mixture of several of the above species and ...


Ec90-732 Sugarbeet Population And Spacing Calculator Jan 1990

Ec90-732 Sugarbeet Population And Spacing Calculator

Historical Materials from University of Nebraska-Lincoln Extension

This extension circular is a slide rule used to help a producer calculate the row spacing, seed population, and estimated percentage of emergence of sugarbeet. A producer can also use this slide rule to find the plant population from plants/100 feet of row at 22" and 30" row spacings.


Estuarine Studies : An Activities Text For Maine Schools, Education Division - Department Of Marine Resources Jan 1990

Estuarine Studies : An Activities Text For Maine Schools, Education Division - Department Of Marine Resources

Maine Collection

Estuarine Studies : An Activities Text for Maine Schools

Fisheries Education Unit #16 - Produced by The Education Division, Department of Marine Resources, State House Station 21, Augusta, Maine 04333-0021.

Revised 1990. Printed Under Appropriation No. 3140.3260.



G90-1008 Making The Most Of Your Food Dollars (Revised March 1996), Linda S. Boeckner Jan 1990

G90-1008 Making The Most Of Your Food Dollars (Revised March 1996), Linda S. Boeckner

Historical Materials from University of Nebraska-Lincoln Extension

This NebGuide describes strategies for providing good nutrition economically.

Are you spending more of your family budget on food these days? Want to find ways to make your food dollar go further yet provide enjoyable meals? One way is to educate family members in making wise decisions about menu planning, food buying and cooking.

A varied diet of colorful, wholesome foods that you and your family will eat and like is important. There is no need to leave out all favorite foods to cut costs. Use the best buying practices to get the type of food you need. If including ...


G90-962 Introducing Solid Foods To Babies, Darlene Martin Jan 1990

G90-962 Introducing Solid Foods To Babies, Darlene Martin

Historical Materials from University of Nebraska-Lincoln Extension

This NebGuide explains when and how to add solid foods to your baby's diet.

Good nutrition is the cornerstone of a baby's growth and development. The American Academy of Pediatrics strongly recommends breast-feeding for most full-term infants. No formula can replace the immunological protection a baby receives from colostrum -- the breast milk produced the first few days after birth. It's important to breast-feed for at least the first few weeks, even if it can't be continued for a long time. If breast-feeding is not your choice, or if it is discontinued before the baby's first ...


Ec90-437 Let's Preserve: Tomatoes And Tomato Products, Julie A. Albrecht Jan 1990

Ec90-437 Let's Preserve: Tomatoes And Tomato Products, Julie A. Albrecht

Historical Materials from University of Nebraska-Lincoln Extension

Several tomato plants can yield lots of fruit. Preserving tomatoes in various ways to serve throughout the year is an excellent way to use your harvest.

This publication provides procedures to safely process a variety of tomato products. The publication Let’s Preserve: Canning Basics: (EC90-434) gives information on boiling water and pressure canners, jar and lid selection, and preparation.


Ec90-436 Let's Preserve: Fruit And Fruit Products, Julie A. Albrecht Jan 1990

Ec90-436 Let's Preserve: Fruit And Fruit Products, Julie A. Albrecht

Historical Materials from University of Nebraska-Lincoln Extension

Home canned fruits can he a delightful addition to family meals through the year. Canning fruits also may be an economical way to preserve quality foods at home.

Fruits can be safely preserved at home using a boiling-water canner. Pressure canners also are acceptable. This publication includes processing times for both procedures.

Refer to the publication Let’s Preserve: Canning Basics (EC90-434) for procedures for using a boiling-water and for information on canner or pressure canner selecting, preparing and filling jars.


G90-990 Explosion Venting And Suppression Of Bucket Elevator Legs, David Jones Jan 1990

G90-990 Explosion Venting And Suppression Of Bucket Elevator Legs, David Jones

Historical Materials from University of Nebraska-Lincoln Extension

Explosion vents and explosion suppression devices limit the danger and damage associated with grain dust explosions. This NebGuide discusses these devices and design guidelines for application on bucket elevator legs.

The bucket elevator leg has been identified as a major source of grain dust explosions. As a bucket elevator leg conveys grain, the elements necessary for a grain dust explosion are possible. Fuel (grain dust in suspension above the minimum explosive concentration), oxygen and confinement are inherent inside a functioning bucket elevator leg. Introduction of an ignition source will initiate a grain dust explosion.


G90-974 The Beaf Leaf Beetle In Soybeans (Revised September 1994), Thomas E. Hunt, J. F. Witkowski, Robert J. Wright, Keith J. Jarvi Jan 1990

G90-974 The Beaf Leaf Beetle In Soybeans (Revised September 1994), Thomas E. Hunt, J. F. Witkowski, Robert J. Wright, Keith J. Jarvi

Historical Materials from University of Nebraska-Lincoln Extension

The identification and life cycle of the bean leaf beetle are discussed along with scouting techniques, economic thresholds, and cultural control tactics.

The bean leaf beetle is a common insect found in Nebraska soybean fields. The insect also feeds on peas, snap beans, and dry beans. Although present in alfalfa and sweet clover in the early spring before soybean emerges, the insect is not known to damage either legume.

Use integrated pest management (IPM) when planning how to reduce bean leaf beetle damage. Integrated pest management is a sustainable approach to managing pests by combining biological, cultural, physical, and chemical ...


Rp375 Angora Goats In The Midwest, R. M. Jordan Jan 1990

Rp375 Angora Goats In The Midwest, R. M. Jordan

Historical Materials from University of Nebraska-Lincoln Extension

Angora goats and the mohair they produce are not major agricultural products in the United States and certainly not in Minnesota where there are fewer than 3,000 Angora goats. Flocks are small and often are owned by those interested in hand weaving. Nevertheless, mohair finds a ready market. In 1989, raw mohair prices in Texas were: kid hair (it's much finer), $6.50/lb; yearling hair, $2.00/lb; and adult hair, $1.00/lb. In addition, mohair incentive payments have amounted to $30 to $15 per head the past two years. These high hair prices are stimulating ...


Ec90-266 Nebraska Beef Cow Record Card Jan 1990

Ec90-266 Nebraska Beef Cow Record Card

Historical Materials from University of Nebraska-Lincoln Extension

EC90-266, Nebraska Beef Cow Record Card helps farmers and ranchers keep track of details on a cow's performance through a given year.


G90-960 Laws That Impact Our Lives, Georgia L. Stevens Jan 1990

G90-960 Laws That Impact Our Lives, Georgia L. Stevens

Historical Materials from University of Nebraska-Lincoln Extension

Laws enforced through the government's role as regulator and protector have a daily impact on our lives.

How Do Laws Affect Us?

Laws have a daily impact on our lives--whether they relate to social services, education, housing, nutrition, food safety, consumer rights or the environment. Public policies such as legislation, resolutions, appropriations, new regulations for a current law or court decisions are used as solutions to problems expressed by the public. These actions are the result of public issues that have been debated and compromised through the policymaking process. The basic element is the process used to solve a ...


G90-957 Is Burning Wood Economical?, Rollin D. Schnieder Jan 1990

G90-957 Is Burning Wood Economical?, Rollin D. Schnieder

Historical Materials from University of Nebraska-Lincoln Extension

This publication discusses factors to consider in determining the economics of heating with wood.

Many residents are trying to reduce their home heating costs by burning wood in a fireplace, stove or furnace. Before getting too "fired up" over wood heating, it's a good idea to be able to answer "yes" to the question, "Is it worth it?"

People can frequently justify burning wood for social reasons because they enjoy the fire--it's fun, good exercise, an enjoyable family outing, or it gives a feeling of independence from the use of our nonrenewable energy resources. From a purely economic ...


G90-999 Nutritional Management Of The High-Producing Dairy Cow In The 1990s, Rick J. Grant, Jeffrey F. Keown Jan 1990

G90-999 Nutritional Management Of The High-Producing Dairy Cow In The 1990s, Rick J. Grant, Jeffrey F. Keown

Historical Materials from University of Nebraska-Lincoln Extension

This NebGuide discusses important aspects of grouping and feeding systems, body conditioning, and nutritional requirements for high-producing dairy cows.

An effective feeding system allows maximum intake of a nutritionally balanced ration. The use of production-enhancing compounds, such as Bovine Somatropin (BST), makes proper nutritional management of high-producing dairy cows even more critical. This NebGuide discusses important aspects of grouping and feeding systems, body conditioning, and nutritional requirements for high-producing dairy cows.

As herd production levels continue to increase along with the average herd size, it is becoming more difficult for many dairy producers to feed their cattle adequate nutrients to ...


Ec90-1762 Nut Tree Cultivars For Nebraska, William A. Gustafson Jr. Jan 1990

Ec90-1762 Nut Tree Cultivars For Nebraska, William A. Gustafson Jr.

Historical Materials from University of Nebraska-Lincoln Extension

Proper nut cultivar (variety) selection is important for successful and satisfying results from the home gardener's efforts. Selection should be determined by personal preferences, available space, and intended use of the nuts. Harvest can be spread over several weeks if cultivars with different periods of maturity are planted.

It is important that homeowners select the nut plants or cultivars best adapted for cultivation in their area of the state. This extension circular covers how to select a nut cultivar, the plant hardiness zones, horticultural regions, and length of growing season. It contains a list of all nut cultivars suited ...


G90-970 Summer Patch And Necrotic Ring Spot, John E. Watkins, Robert C. Shearman, Terrance P. Riordan Jan 1990

G90-970 Summer Patch And Necrotic Ring Spot, John E. Watkins, Robert C. Shearman, Terrance P. Riordan

Historical Materials from University of Nebraska-Lincoln Extension

This NebGuide describes the causes, predisposing conditions, and symptoms of summer patch and necrotic ring spot, and provides recommendations for their control.

Research since 1980 has resulted in considerable progress in identifying causes of the "patch"-type disease of turfgrass. Two of the most destructive patch diseases of turfgrasses are summer patch and necrotic ring spot.

Both summer patch and necrotic ring spot are present in Nebraska turfs. Unfortunately, necrotic ring spot and summer patch cause identical symptoms and cannot be distinguished in the field, and identification in the laboratory is time-consuming (3-6 months) and laborious.


G90-990 Explosion Venting And Suppression Of Bucket Elevator Legs, David D. Jones Jan 1990

G90-990 Explosion Venting And Suppression Of Bucket Elevator Legs, David D. Jones

Historical Materials from University of Nebraska-Lincoln Extension

Explosion vents and explosion suppression devices limit the danger and damage associated with grain dust explosions. This NebGuide discusses these devices and design guidelines for application on bucket elevator legs.

The bucket elevator leg has been identified as a major source of grain dust explosions. As a bucket elevator leg conveys grain, the elements necessary for a grain dust explosion are possible. Fuel (grain dust in suspension above the minimum explosive concentration), oxygen and confinement are inherent inside a functioning bucket elevator leg. Introduction of an ignition source will initiate a grain dust explosion.


Ncr90-379 Sheep Diseases, R.M. Jordan Jan 1990

Ncr90-379 Sheep Diseases, R.M. Jordan

Historical Materials from University of Nebraska-Lincoln Extension

Sheep do get sick, but fewer would die if producers recognized that a problem existed, made the correct diagnosis, and treated sheep in the most effective manner. Correct diagnosis is most difficult. It requires experience, and the only way to get that experience is to make the effort. Consulting with your veterinarian can be most helpful.

The following brief comments are intended to provide some help in diagnosing, treating, and preventing some of the more prevalent health problems of sheep.


Cc90-352 Team Building: Developing A Productive Team, Arnold J. Bateman Jan 1990

Cc90-352 Team Building: Developing A Productive Team, Arnold J. Bateman

Historical Materials from University of Nebraska-Lincoln Extension

Team building is an effort in which a team studies its own process of working together and acts to create a climate that encourages and values the contributions of team members. Their energies are directed toward problem solving, task effectiveness, and maximizing the use of all members' resources to achieve the team's purpose. Sound team building recognizes that it is not possible to fully separate one's performance from those of others.


Cc90-351 Team Building: Organizing A Team, Arnold J. Bateman Jan 1990

Cc90-351 Team Building: Organizing A Team, Arnold J. Bateman

Historical Materials from University of Nebraska-Lincoln Extension

Most managers and organizational leaders recognize the interdependence of employees or other group members and the need for cooperation to accomplish the work. A team that is communicating and functioning well has synergy; that is why people working as a team can achieve better results than individuals working alone. That does not mean, however, that productivity will automatically go up by putting a group of good performers together.


G90-1002 Child Labor Laws For Agriculture, Raymond Massey Jan 1990

G90-1002 Child Labor Laws For Agriculture, Raymond Massey

Historical Materials from University of Nebraska-Lincoln Extension

This NebGuide details special considerations for employing persons 16 years of age and younger.

The employment of minors became regulated by the Fair Labor Standards Act of 1938. Amendments to this Act and additional Nebraska laws have further regulated child labor use.

Agriculture is given special provisions regarding child labor. Specific regulations pertaining to age, working hours and hazardous jobs have been written to assure that minors are not employed nor endangered while working in agricultural jobs.

The child labor provisions mentioned in this NebGuide apply to the agricultural employment of all non-family minors, migrant as well as local resident ...


A Definition And The Concepts Of Agricultural Literacy: A National Study , Martin Joseph Frick Jan 1990

A Definition And The Concepts Of Agricultural Literacy: A National Study , Martin Joseph Frick

Retrospective Theses and Dissertations

The purposes of this study were to refine a group definition of agricultural literacy, identify agricultural subject areas that fall within the framework of agricultural literacy, and identify those concepts about agriculture that every citizen should know. This investigation was conducted using the Delphi technique. Panelists were nominated by land grant university agricultural education faculty;Data were collected using three instruments. The first instrument requested every panelist to submit his/her definition of agricultural literacy. Quantitative content analysis was conducted on 78 definitions and yielded a consensus definition. The definition identified 11 broad areas of agricultural knowledge. The second instrument ...


Perceptions And Characteristics Of Early Adopters Of An Electronic Network, Julie Ann Hamilton Jan 1990

Perceptions And Characteristics Of Early Adopters Of An Electronic Network, Julie Ann Hamilton

Retrospective Theses and Dissertations

No abstract provided.


G90-1004 Growing Radishes And Table Beets, Susan D. Schoneweis Jan 1990

G90-1004 Growing Radishes And Table Beets, Susan D. Schoneweis

Historical Materials from University of Nebraska-Lincoln Extension

Radishes and beets are easy to grow. Little space is required for them, and small successive plantings can yield an abundance of produce.

The radish, Raphanus sativus, is thought to have originated in East Asia, but the exact location is unknown. Radishes are one of the fastest growing vegetables, ready to harvest in 22 to 60 days. They prefer cool growing temperatures, and quickly become pungent (hot) when the weather gets too warm. Varieties (cultivars) may have round, long tapered, or oblong roots. Colors include crimson, hot pink, pink, white, bicolored and black.

Quick maturing radishes (30 days or less ...


G90-989 Drinking Water: Bacteria (Revised November 1998), Sharon Skipton, Paul J. Jasa, David L. Varner, Delynn Hay Jan 1990

G90-989 Drinking Water: Bacteria (Revised November 1998), Sharon Skipton, Paul J. Jasa, David L. Varner, Delynn Hay

Historical Materials from University of Nebraska-Lincoln Extension

This NebGuide discusses recommended practices to manage bacteria in a domestic water supply. The presence of bacteria and pathogenic (disease-causing) organisms is a concern when considering the safety of drinking water. Pathogenic organisms can cause intestinal infections, dysentery, hepatitis, typhoid fever, cholera, and other illnesses.


G90-977 Johne's Disease (Paratuberculosis), Duane N. Rice, Douglas G. Rogers Jan 1990

G90-977 Johne's Disease (Paratuberculosis), Duane N. Rice, Douglas G. Rogers

Historical Materials from University of Nebraska-Lincoln Extension

This NebGuide discusses paratuberculosis (a costly disease) of cattle, sheep and goats, its causes, clinical signs, transmission, diagnosis and control measures.

Johne's Disease, or paratuberculosis, is a chronic wasting disease that causes considerable production losses in adult cattle, sheep and goats. The disease is caused by Mycobacterium paratuberculosis, a bacterium related to the tuberculosis bacterium Mycobacterium bovis.

This bacterium causes an enteritis (inflamed intestinal tract) that results in severe weight loss and diarrhea. Some animals may be so emaciated (thin, dehydrated) that they are condemned at slaughter; others may suffer from reduced productivity long before clinical (visible) signs are ...


Ec90-434 Let's Preserve: Canning Basis, Julie A. Albrecht Jan 1990

Ec90-434 Let's Preserve: Canning Basis, Julie A. Albrecht

Historical Materials from University of Nebraska-Lincoln Extension

Canning can be a safe and economical way to preserve quality food at home. Home preserved foods can provide a variety of nutritious food for your family all year long.

How Canning Preserves Foods

The high water content of most fresh foods makes them very perishable. Foods spoil or lose their quality for several reasons:

growth of undesirable microorganisms - bacteria,molds, and yeasts

activity of food enzymes

reactions with oxygen

moisture loss


G90-1005 Fruit Tree Cultivars For Nebraska (Revised September 1997), William A. Gustafson Jan 1990

G90-1005 Fruit Tree Cultivars For Nebraska (Revised September 1997), William A. Gustafson

Historical Materials from University of Nebraska-Lincoln Extension

Proper fruit cultivar (variety) selection is important for successful and satisfying results from the home gardener's efforts. Selection should be based on family preferences, available space and intended use of the fruits. Harvest can be spread over several weeks if cultivars with different periods of maturity are planted.

It is important that homeowners select the kinds of fruit plants or cultivars that are best adapted for cultivation in their area of the state. They must have adequate hardiness to survive the winter, heat and drought tolerance to thrive in the summer, and the ability to survive spring frosts.


G90-1003 Maximizing Feed Intake For Maximum Milk Production, Rick J. Grant Jan 1990

G90-1003 Maximizing Feed Intake For Maximum Milk Production, Rick J. Grant

Historical Materials from University of Nebraska-Lincoln Extension

This NebGuide emphasizes the importance of maximizing feed intake for maximum milk production, and management practices which stimulate feeding activity by dairy cattle.

The goal of most dairy producers is to maximize milk production in a cost-effective manner. On the typical dairy farm, feed costs represent nearly 50 percent of the total milk production cost. Economically, it is important to maximize feed intake, improve efficiency of feed use, and lower feeding costs. Many dairy producers fail to realize that there is more involved with properly feeding a dairy cow than looking at a computer printout of a balanced ration. With ...