Planning Research for Resource DecisionsIowa State University Press, 1970 - Всего страниц: 183 Scientists, research, and resource management. Planning research programs. Problem analysis and project planning. Scientific methods and models. Defining the study objective. Selecting study procedures. Preparing written study plans. Maintaining essential research records. Writing for publication. Being your own editor. Final throughts. An exhibit of research plans. |
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Стр. 143
... harvest . 4.2 Prediction of the reduction in gross yield due to insects , disease , and other causes . 4.3 ... HARVEST To estimate the efficiency of various management and pest - control programs , it is first necessary to determine the ...
... harvest . 4.2 Prediction of the reduction in gross yield due to insects , disease , and other causes . 4.3 ... HARVEST To estimate the efficiency of various management and pest - control programs , it is first necessary to determine the ...
Стр. 149
... HARVEST BLISTER RUST CONTROL YEARS TO ESTABLISH LOSSES INJURY RATE AVERAGE RATE YEARS TO HARVEST SALABLE LENGTH HARVEST DBH INJURY - RATE REDUCTION SECTION PROTECTED DB H VOLUME QUALITY INDEX AT HARVEST VOLUME QUALITY INDEX AT HARVEST ...
... HARVEST BLISTER RUST CONTROL YEARS TO ESTABLISH LOSSES INJURY RATE AVERAGE RATE YEARS TO HARVEST SALABLE LENGTH HARVEST DBH INJURY - RATE REDUCTION SECTION PROTECTED DB H VOLUME QUALITY INDEX AT HARVEST VOLUME QUALITY INDEX AT HARVEST ...
Стр. 152
... harvest , which will determine the proportion of stand individuals that will be unmerchantable by harvest . For instance , a stand within 20 years of harvest may not experience any loss from future blister - rust infection because it ...
... harvest , which will determine the proportion of stand individuals that will be unmerchantable by harvest . For instance , a stand within 20 years of harvest may not experience any loss from future blister - rust infection because it ...
Содержание
SCIENTISTS RESEARCH AND RESOURCE MANAGEMENT | 3 |
PLANNING RESEARCH PROGRAMS | 13 |
PROBLEM ANALYSIS AND PROJECT PLANNING | 25 |
Авторские права | |
Не показаны другие разделы: 6
Часто встречающиеся слова и выражения
alternatives areas authorship average blister-rust infection clientele condition class considered cost decision-makers define dependent determine develop eastern white pine efficient estimate evaluating even-aged example experience factors fatal infection FER-NE Forestry Grammar of Science gross yield growth rates hardwoods harvest hypothesis important independent variables inductive reasoning infection rate initial stand condition injury rate management and pest-control manuscript measure methods needed NEFES noun number of injuries observed overstory pest pest-control activities prediction problem analysis profitable project plan pruning publication punched cards rate of fatal reader records relationship research planning resource manager resource research sample scientific scientific methods scientists selected shortleaf pine significant solve specific statistical study objective study plan study procedures stumpage timber tree U.S. Forest Service various verb volume growth volume loss weevil injury white pine production white pine stands writing