RESOURCE

Engineering & Technology for a Sustainable World

Zeroing in on Forest Enemies ... 7
The USDA Forest Service is responsible for 191 million acres (76.4 million hectares) of public forest and range land, and provides outreach and program support for extensive areas of state and private forests. Aerial spraying is one tool in a small set of options for pest control and management in extensive forests.

X-treme Weather ... 9
When extreme climate events such as El Niño Southern Oscillation phenomena are likely to occur, predicting crop yield changes can help determine how to modify national production of basic crops. Today in Mexico, crop yield can be estimated four months in advance with 90 percent accuracy by applying process-based crop modeling.

Stalking a New Fuel Source ... 11
Alternative feedstock sources for ethanol could help meet the increased demand for fuel and other non-food products. Corn stover, the above-ground residue left after harvest that consists of stalks, leaves, cob pieces and kernels lost during combining, could be used for ethanol production.

Phosphorus In, Phosphorus Out ... 13
One of the fundamental challenges facing the livestock/feed industries today is finding ways to reuse nutrients, such as nitrogen and phosphorus, found in manure. Recycling manure for crop production is a sustainable practice that could help quell public concerns about agriculture's impacts on the environment.

Inside ASAE

2001 ASAE Annual International Meeting ... 19
With diverse technical sessions and tours, a keynote presentation and a broad selection of continuing education opportunities, the 2001 Annual International Meeting has much to offer your professional development.

What's Happening at the 2001 Annual International Meeting
General Session. ... 20
Special Sessions. ... 20
International Activities. ... 21
Socials. ... 21
Technical Tours. ... 22
Continuing Professional Development. ... 22
Guest Activities/Tours. ... 23

From the President ... 24
Sacramento Meeting Brings Change.

Nominating Committee Seeks Your Input ... 24
The ASAE Nominating Committee is seeking nominees for several ASAE offices.

2001 Election Results of ASAE Officers ... 25

Good News! ... 25
ASAE Disability Income Plan receives premium credit.

Member News ... 25
Sonia M. M. Jacobsen, Dale W. Wilkins, Roger E. Machmeier.

Professional Development ... 26
Committee Updates PE Examination to Meet NCEES Guidelines.

Departments

Events Calendar ... 2nd cover

Update ... 3

Business Briefs ... 15

From the Manufacturers ... 27

Personnel Service ... 29

Professional Listings ... 32

Last Word (reader opinion) - Tracing Engineering Trends ... 33
Searching a bibliographic database can help us find the specific information we are looking for. But it can also tell us about other things -- such as the work of those whose articles are indexed. The agricultural engineering field is becoming increasingly complex, requiring agricultural engineers to be aware of and understand an increasing number of topics.

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