Conservation, Bände 3-4American Forestry Association, 1937 |
Im Buch
Ergebnisse 1-3 von 38
Seite 18
... disease was found in Maplewood , New Jer- sey , and within a short time was found so extensively in that state , New York and Connecticut , as to constitute a definite menace to the elms of these three states . A few weeks after the ...
... disease was found in Maplewood , New Jer- sey , and within a short time was found so extensively in that state , New York and Connecticut , as to constitute a definite menace to the elms of these three states . A few weeks after the ...
Seite 20
... disease was found in Maplewood , New Jer- sey , and within a short time was found so extensively in that state , New York and Connecticut , as to constitute a definite menace to the elms of these three states . A few weeks after the ...
... disease was found in Maplewood , New Jer- sey , and within a short time was found so extensively in that state , New York and Connecticut , as to constitute a definite menace to the elms of these three states . A few weeks after the ...
Seite 42
... disease differs from leaf scorch in that a fungous parasite is the causal agent and the brown dead areas on the leaves usually follow the veins . Trees in street or ornamental plantings can be kept free of Anthracnose by the following ...
... disease differs from leaf scorch in that a fungous parasite is the causal agent and the brown dead areas on the leaves usually follow the veins . Trees in street or ornamental plantings can be kept free of Anthracnose by the following ...
Inhalt
MarchApril 1938 Number | 2 |
CONSERVATION | 3 |
Wild Animal Farms in Russia USSR ECONOMIC SURVEY | 9 |
13 weitere Abschnitte werden nicht angezeigt.
Andere Ausgaben - Alle anzeigen
Häufige Begriffe und Wortgruppen
acres agencies agriculture American Forestry Association animals anthocyanin basin birds breeding camp canvasback cent cities Condensed cost crops dams deer Department destruction disease drainage drainage basin drought duck Dutch elm disease economic erosion estry farm farmers Federal feet field fire fish flood control grass grazing growth heath hen hunters hunting important inches increase industry interest irrigation Lake living logging ment miles million Missouri River mountain National Park natural resources Navajo North North Dakota OVID BUTLER Peat Moss pine Plains planning plant problem production protection range Reclamation recreation region River salmon sand season servation Service shooting Soil Conservation South species sportsmen square miles streams supply Survey tain things timber tion tional trees ture United Valley waterfowl watershed West wild wild turkeys wilderness wildlife winter wood