CROP LOSSES ASSOCIATED WITH GRASSHOPPERS IN RELATION TO ECONOMICS OF CROP PRODUCTION

[1] DOUGENIK JA, 1975, SYMAP USERS REFERENC

[2] PERSPECTIVE OF GRASSHOPPER POPULATION DISTRIBUTION IN SASKATCHEWAN AND INTERRELATIONSHIP WITH WEATHER [J]. ENVIRONMENTAL ENTOMOLOGY, 1977, 6 (03) : 469 - 479

[3] HORNER WH, 1950, ANNU REP ENTOMOL SOC, V80, P10

[4] MCDONALD H, 1965, AGRIC I CANADA REV, V20, P15

[5] INFLUENCE OF EMBRYONIC-DEVELOPMENT AND HEAT ON POPULATION TREND OF 3 GRASSHOPPER SPECIES (ORTHOPTERA-ACRIDIDAE) IN SASKATCHEWAN [J]. CANADIAN ENTOMOLOGIST, 1977, 109 (02) : 229 - 236

[6] QUANTITATIVE-EVALUATION OF GRASSHOPPER (ORTHOPTERA-ACRIDIDAE) DAMAGE AND ITS EFFECT ON SPRING WHEAT [J]. CANADIAN ENTOMOLOGIST, 1976, 108 (03) : 255 - 270

[7] WILLIAMS G. D. V., 1971, Agricultural Meteorology, V9, P265, DOI 10.1016/0002-1571(71)90026-4

[8] REGRESSION-ANALYSES OF CANADIAN PRAIRIE CROP-DISTRICT CEREAL YIELDS, 1961-1972, IN RELATION TO WEATHER, SOIL AND TREND [J]. CANADIAN JOURNAL OF SOIL SCIENCE, 1975, 55 (01) : 43 - 53

[9] 1975, 70TH DEP AGR ANN REP

[10] 1976, CUSTOM RATES

[1] DOUGENIK JA, 1975, SYMAP USERS REFERENC

[2] PERSPECTIVE OF GRASSHOPPER POPULATION DISTRIBUTION IN SASKATCHEWAN AND INTERRELATIONSHIP WITH WEATHER [J]. ENVIRONMENTAL ENTOMOLOGY, 1977, 6 (03) : 469 - 479

[3] HORNER WH, 1950, ANNU REP ENTOMOL SOC, V80, P10

[4] MCDONALD H, 1965, AGRIC I CANADA REV, V20, P15

[5] INFLUENCE OF EMBRYONIC-DEVELOPMENT AND HEAT ON POPULATION TREND OF 3 GRASSHOPPER SPECIES (ORTHOPTERA-ACRIDIDAE) IN SASKATCHEWAN [J]. CANADIAN ENTOMOLOGIST, 1977, 109 (02) : 229 - 236

[6] QUANTITATIVE-EVALUATION OF GRASSHOPPER (ORTHOPTERA-ACRIDIDAE) DAMAGE AND ITS EFFECT ON SPRING WHEAT [J]. CANADIAN ENTOMOLOGIST, 1976, 108 (03) : 255 - 270

[7] WILLIAMS G. D. V., 1971, Agricultural Meteorology, V9, P265, DOI 10.1016/0002-1571(71)90026-4

[8] REGRESSION-ANALYSES OF CANADIAN PRAIRIE CROP-DISTRICT CEREAL YIELDS, 1961-1972, IN RELATION TO WEATHER, SOIL AND TREND [J]. CANADIAN JOURNAL OF SOIL SCIENCE, 1975, 55 (01) : 43 - 53

[9] 1975, 70TH DEP AGR ANN REP

[10] 1976, CUSTOM RATES