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Pecan rosette : its histology, cytology, and relation to other cholorotic diseases
Birds of Porto Rico
Forest planting in the Lake States
Factors and problems in the selection of peat lands for different uses
Absorption by colloidal and noncolloidal soil constituents
Attracting birds to public and semipublic reservations
Insects affecting vegetable crops in Puerto Rico
The New Mexico range caterpillar and its control
Experiments in rice production in southwestern Louisiana
A field test for lime-sulphur dipping baths
