Origin of plant food
Examples from the Web for plant food
Historical Examples of plant food
The source of plant-food could only be the atmosphere or the soil.Manures and the principles of manuring
Charles Morton Aikman
They added no plant-food, and they took away only a fraction that was not large.
If yields are limited by absence of plant-food, fertilizers must be used.
It excludes the air, sealing up the plant-food so that crops cannot be secured.
Plant-food is needed, and should be mixed with the soil when the seeding is made.