PART II.
PRINCIPLES OF MANURING
CHAPTER I.
FERTILITY OF THE SOIL.
It is necessary to clearly understand to what the fertility of a soil is due ere we can hope to master the theory of manuring.
What constitutes Fertility in a Soil.
It is necessary to clearly understand to what the fertility of a soil is due ere we can hope to master the theory of manuring.
What constitutes Fertility in a Soil.