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    <title>Transport Research International Documentation (TRID)</title>
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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>Transport Research International Documentation (TRID)</title>
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      <title>PROPAGATION AND CULTURE OF NEW SPECIES OF DROUGHT-TOLERANT PLANTS FOR HIGHWAYS</title>
      <link>https://trid.trb.org/View/57661</link>
      <description><![CDATA[This report contains findings of a research project which was carried out from January 1973 to June 30, 1975. The primary objective of the project was to find and introduce a much wider array of drought tolerant-low maintenance, native and exotic trees, shrubs and ground covers. These plants are specifically intended for highways in those areas of California that are characterized by mediterranean climate. Ninety-two cultivated but rarely or never introduced species (including a few that are shade tolerant) were evaluated on site and selected on the basis of several criteria. Techniques for vegetative propagation of the majority of these species by means of leafy stem cuttings were worked out. Seeds of 127 species which were obtained through the University of California at Davis (UCD) Arboretum seed exchange program or collected in the field were germinated. Plantings of these seedlings in the UCD Arboretum and selected sites by the California Department of Transportation should prove their feasibility in the future.]]></description>
      <pubDate>Sun, 13 Jan 2002 00:00:00 GMT</pubDate>
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      <title>THE SCOPE OF PESTICIDES IN HIGHWAY OPERATIONS</title>
      <link>https://trid.trb.org/View/104048</link>
      <description><![CDATA[PESTICIDES ARE VALUABLE TOOLS FOR HIGHWAY OPERATIONS IN THE ESTABLISHMENT, MAINTENANCE AND CONTROL OF VEGETATION AND OF BENEFIT FOR THE SAFETY, HEALTH, ECONOMY OF OPERATIONS AND BEAUTY OF HIGHWAY SYSTEMS. THE VALUES OF PESTICIDES IN HIGHWAY OPERATIONS ARE' /1/ THE CONSERVATION OF TREES AND NATURAL FLORA, /2/ THE HEALTH & SAFETY OF HIGHWAY EMPLOYEES IS IMPROVED, /3/ LITTER ALONG HIGHWAYS IS LESS EVIDENT BECAUSE OF WELL-MAINTAINED ROADSIDES, /4/ INSECTS, DISEASES, AND WEED GROWTH HARMFUL TO THE ADJACENT FARMERS FIELDS ARE CONTROLLED, /5/ SAFETY FOR THE HIGHWAY USER IS IMPROVED BECAUSE SIGHT-LINES ARE NOT IMPEDED, SAFETY DEVICES ARE NOT OBSCURED FROM VISION, AND MAINTENANCE EMPLOYEE WITH EQUIP- MENT IS NOT AS FREQUENTLY IN THE TRAVEL PATH, /6/ THE ENTIRE HIGHWAY ENVIRONMENT IS BETTER BECAUSE THE AESTHETICS ARE GIVEN PROPER CONSIDERATION. /7/ THE DOLLARS SAVED BY THE USE OF PESTICIDES CAN BE USED FOR MUCH NEEDED CONSTRUCTION TO EXTEND, EXPAND, OR IMPROVE HIGHWAY FACILITIES, AND /8/ THEY ARE VALUABLE IN THE FIELD OF GOOD PUBLIC RELATIONS BETWEEN THE HIGHWAY DEPARTMENT AND THE PUBLIC.]]></description>
      <pubDate>Mon, 12 Dec 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/104048</guid>
    </item>
    <item>
      <title>PESTICIDES OR HUNGER</title>
      <link>https://trid.trb.org/View/104047</link>
      <description><![CDATA[AMERICAN HAS ACCOMPLISHED THE MEANS TO BANISH HUNGER AND EXPOSURE FROM THE EARTH. THIS ACHIEVEMENT HAS BEEN THE WORK OF MANY PEOPLE IN ALL WALKS OF SCIENCE AND FARMING. EACH AREA OF SCIENTIFIC RESEARCH HAS PLAYED ITS OWN SIGNIFICANT ROLE. AMONG THESE, CHEMISTRY HAS CONTRIBUTED SUBSTANTIALLY TO THE MANY ADVANCES IN SOIL FERTILITY, PLANT AND ANIMAL NUTRITION, PEST CONTROL AND FOOD PROCESSING, PRESERVATION AND DISTRIBUTION. AGRICULTURAL CHEMICALS, INCLUDING PESTICIDES, ARE ESSENTIAL FACTORS IN THE EFFICIENT PRODUCTION OF FOODSTUFFS AND, IN ADDITION, THESE CHEMICALS ARE PRIMARILY RESPONSIBLE FOR THE REDUCTION AND CONTROL OF MANY OTHER MAJOR INSECT VECTORED DISEASES, THEREBY CONTRIBUTING TO THE HEALTH AND LONGEVITY OF AMERICAS PEOPLE. THE REAL DANGER TO MANY AREAS OF MANS SURVIVAL LIES NOT IN THE CONTROLLED USE OF CHEMICALS BUT IN THE HOARDS OF INSECTS AND MISAMA OF DISEASE WHICH COULD SWEEP OVER CROPS AND ANIMALS, DENUDE THE FORESTS AND LEAVE HUNGER AND DESTITUTION AND WANT IN THEIR WAKE.]]></description>
      <pubDate>Fri, 01 Apr 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/104047</guid>
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      <title>AN EVALUATION OF THE BIRD/AIRCRAFT STRIKE HAZARD, MALMSTROM AFB, MT</title>
      <link>https://trid.trb.org/View/69711</link>
      <description><![CDATA[The bird/aircraft strike hazard (BASH) at Malmstrom Air Force Base, Montana, was surveyed during the period 26 August-2 September 1977. Special emphasis was placed on local gull activities which contribute significantly to the bird strike potential. Recommendations aimed at reducing the airfield bird strike potential are part of this report. (Author)]]></description>
      <pubDate>Wed, 31 May 1978 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/69711</guid>
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    <item>
      <title>COLOR PHOTOS, AERIAL SPRAYS AND THE FOREST TENT CATERPILLAR</title>
      <link>https://trid.trb.org/View/93646</link>
      <description><![CDATA[COLOR AND FALSE COLOR AERIAL PHOTOGRAPHS, TAKEN AT SCALES OF 1:6,000 AND 1:15,000, WERE USED TO MEASURE THE AMOUNT OF FOLIAGE SAVED BY THE AERIAL APPLICATION OF EXPERIMENTAL CHEMICALS TO SUPPRESS INFESTATIONS OF THE FOREST TENT CATERPILLAR, MALACOSOMA DISSTRIA HBN., A HARDWOOD DEFOLIATOR, IN SOUTHWESTERN ALABAMA. PLOTS PROTECTED BY AERIAL SPRAYS WERE READILY DISCERNED ON BOTH FILMS BUT EKTACHROME INFRARED AERO FILM PROVIDED GREATER CONTRAST BETWEEN SUSEPTIBLE AND UNSUSCEPTIBLE HOST TYPE AND GREATER CONTRAST BETWEEN CLASSES OF DEFOLIATION. THE 1:15,000 PHOTO SCALE WAS SOMEWHAT SUPERIOR BECAUSE IT PERMITTED INTERPRETATION OF A LARGER LAND AREA WITH A MINIMAL LOSS OF DETAIL. THIS PERMITTED MEASUREMENT OF THE IMPACT OF SPRAY DRIFT UPON ADJACENT PLOTS. MICRODENSITOMETER SCANS OF THREE ADJACENT PLOTS ON FALSE COLOR FILM RECEIVING SIMILAR DEGREES OF DAMAGE REVEALED SIGNIFICANT DIFFERENCES ON OPTICAL DENSITY OF THE CYAN LAYER; HOWEVER, THESE DIFFERENCES COULD NOT BE DIRECTLY ATTRIBUTED TO THE AMOUNT OF FOLIAGE SAVED. /AUTHOR/]]></description>
      <pubDate>Sun, 10 Oct 1971 00:00:00 GMT</pubDate>
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