SOIL AND TREE POTASSIUM CONTENTS RELATED TO TREE GROWTH. I: HNO3-EXTRACTABLE SOIL K

@inproceedings{White1964SOILAT,
  title={SOIL AND TREE POTASSIUM CONTENTS RELATED TO TREE GROWTH. I: HNO3-EXTRACTABLE SOIL K},
  author={Edwin Henry White and Albert L. Leaf},
  year={1964}
}