Iowa State Journal of Research, Volumes 52-53Iowa State University Press, 1977 - Biology |
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Page 278
... determine the extent of P. simulans in maize fields , to determine feeding habits of this earwig , and to determine the effect of this predator on tropical corn borer ( Ostrinia furnacalis ) populations . OFF - SEASON OBSERVATIONS ...
... determine the extent of P. simulans in maize fields , to determine feeding habits of this earwig , and to determine the effect of this predator on tropical corn borer ( Ostrinia furnacalis ) populations . OFF - SEASON OBSERVATIONS ...
Page 414
... determined for each class by linear regression . Land - use changes among classes of a variable were compared by using an F - test to determine whether significant differences occurred among slopes and t - tests to determine if slopes ...
... determined for each class by linear regression . Land - use changes among classes of a variable were compared by using an F - test to determine whether significant differences occurred among slopes and t - tests to determine if slopes ...
Page 444
... determine how practicing elementary teachers in Iowa think social studies can be taught effectively , and to determine their awareness of the overall objectives of social studies at the elementary level . Practical knowledge concerning ...
... determine how practicing elementary teachers in Iowa think social studies can be taught effectively , and to determine their awareness of the overall objectives of social studies at the elementary level . Practical knowledge concerning ...
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adult aedeagus Agricultural analysis apical Apothecia Biology carbofuran cavity cercus cestodes characters coll collected Diptera dry weight Economics Education effects Ellis Engineering European corn borer evaluation Experiment F3 bristles factors faculty Falstaff farm female Figure genitalia genotypes gonopod grain yield Henry heterosis holotype Homoneura hybrids hymenial hymenium IASU Ibid inbred lines indicated infestation Iowa State Journal Iowa State University Johnson Journal of Research laboratory larvae leaf leaf-water potential length Leontes localities CNC locus of control lowa maize male Malloch manuscript paratypes percentage plant play plot Poel population preapical presutural reared relationship reported response Richard Richard II root S5 processes sample scene Science seed setae setulae Shakespeare Shewell significant social studies soil soybeans species specimens spermatid stage stalk surstylus Table terminal processes thesis tissue trap USNM variables ventrally wing Winter's Tale