Boron in agriculture.
Boron in agriculture.
- Rev. ed.
- New York, Pacific Coast Borax Co., c1944.
- 62 p. illus. (part col.) 23 cm.
"Literature cited" at end of each chapter.
agr44000201
Plants--Effect of boron on.
S663 / .P3 1944
631.416
"Literature cited" at end of each chapter.
agr44000201
Plants--Effect of boron on.
S663 / .P3 1944
631.416