id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
inhs-288	Tehon, L. R.	Methods and Principles for Interpreting the Phenology of Crop Pests	1928	28	.pdf	application/pdf	8240	333	55	IXTERPRETIXG THE PheNOLOGT OF CROP PeSTS 425 data which would be even more apparent if the points plotted from the data to delineate the regions A and B had been retained : yet for this ap- parently serious discrepancy the only explanation that needs to be made is that the type of disease data, and the sources drawn upon for them, rendered it exceedingly difficult for ^lartin to make unfailingly correct classifications of his yearly records. There is need, therefore, of more extensive and complete knowledge of distribution, of the extent and intensity of plant disease and insect in- vasions, and especially of suitable means to express these things exactly in their relation to climate and to weather.	cache/inhs-288.pdf	txt/inhs-288.txt