A 1.35:377
|
Lights for more winter eggs / |
1 |
A 1.35:379
|
The clover seed midge : how to control it / |
1 |
A 1.35:380
|
The wheat jointworm : how to fight it / |
1 |
A 1.35:381/3
|
Infrared lamps : their use in brooding pigs. |
1 |
A 1.35:381/rev./969
|
Infrared lamps : their use in brooding pigs. |
1 |
A 1.35:382/rev./974
|
The fowl tick, how to control it. |
1 |
A 1.35:384
|
Chestnut weevils : how to control them / |
1 |
A 1.35:388/8
|
Horn flies on cattle : how to control them. |
1 |
A 1.35:388/rev./969
|
Horn flies on cattle : how to control them. |
1 |
A 1.35:389/3
|
Cantaloup insects in the Southwest : how to control them / |
1 |
A 1.35:389/rev./964
|
Cantaloup insects in the Southwest : how to control them / |
1 |
A 1.35:390/11
|
The house fly : how to control it. |
1 |
A 1.35:390/rev./977
|
The house fly : how to control it. |
1 |
A 1.35:391/2
|
The southern corn rootworm : how to control it / |
1 |
A 1.35:391/rev./960
|
The southern corn rootworm : how to control it / |
1 |
A 1.35:392/4
|
Fleas : how to control them / |
1 |
A 1.35:392/rev./964
|
Fleas : how to control them / |
1 |
A 1.35:393/3
|
Cecal coccidiosis of chickens : how to control it / |
1 |
A 1.35:393/rev./961
|
Cecal coccidiosis of chickens : how to control it / |
1 |
A 1.35:394
|
Facts about wind erosion and dust storms on the Great Plains. |
1 |