"Now there you are again," said the Chief. "Drainage, that's all it
needed. You see it's a simple matter; and that's what the
Leonardtown loam needs in places. Give it good drainage and good
cultivation with a rotation of crops, and you'll get results all
right."

"Has the Bureau of Soils tried these methods on any of this soil
near Washington?" asked Percy.

"No use," replied the Chief. "We've got the scientific facts and
besides, as I told you, some few farms are kept up in both Prince
George and St. Mary counties and they are as good demonstrations as
anyone could want. Now I suggest that you meet some of our
scientists."






CHAPTER XXII

THE CHEMIST'S LABORATORY





THE Chief showed Percy into the laboratories of the Bureau and