Harrow, an implement used to pulverize the surface of the soil.
Heavy soils, soils that are hard to work; stiff, cloddy soils.
Horticulture, that branch of agriculture which deals with the growing of fruits, vegetables, flowers and ornamental plants.
Humus, partially decayed animal and vegetable matter in the soil.
Hydrogen, a gaseous, chemical element, one of the constituents of water.
Inter-tillage, tillage between plants.
Irrigation, the practice of supplying plants with water by artificial means.
Kainite, a potash salt used in making fertilizer.
Kernel, a single seed or grain.
Leaching, passing through and going off in drainage water.