An attempt was made to demonstrate isozymic forms of esterase,
MDH, LDH and GPDH and the variation in enzyme pattern with increasing
age in the thoracic muscle, appendage muscle and hemolymph
of the American cockroach, Periplaneta americana. Sampled specimens
of both sexes were aged one through seven days, two weeks...
Soil acidity, expressed by low soil pH, causes reduced crop growth and significant economic loss. It is the most commonly overlooked and poorly understood yield-limiting factor in western Oregon and a developing concern in eastern Oregon. This publication describes the concept of soil acidity and the limitations it causes for...