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Economic use of forages in livestock production on Corn Belt farms
The home fruit garden in the Northern Great Plains, Northern Mountain and Intermountain States
A pest of cured tobacco, Ephestia elutella H赢ner
Artificial drying of forage crops
Control of the Japanese beetle on fruit and shade trees
Effect of soil applications of insecticides on the growth and yield of vegetable crops
The wintering of bees in Ontario
How to control bed bugs
Mushroom casing soil in relation to yield
Grass seed production on irrigated land