Show Expert sTo get data I 1 on hopper strength trained are now going through the fields of every county bounty in utah to determine the adult living ra rw shopper population now existing according to dr W W henderson of tle t e utah state agricultural college the population now actually in evidence is one reliable indication of what aliat the population will be next year these et ests are trained to estimate accurately the live population in any field if there are only two or three grasshoppers per square yard it will ge safe to say the grasshopper population next year will be normal and that injury to crops will not be noticeable if there are six or eight per square yard there will be a medium infestation of grasshoppers next year with considerable injury to crops if there are 12 or 15 or more per square yard there will be a heavy infestation next year which may amount to total destruction of crops another check on the possible vas ti shopper infestation for next year is to make a study of the egg deposits in the soi soil IThe The etymologist recovers the grasshopper egg capsules laid in the soil by a reliable method of sampling campling and after long experience is able to use this chadow to discover the coming year s grasshoppers events to determine the extent of eg csc deposition one crosses a field say of alfalfa in tile the fall after harvest and with a sharp spade takes up a six inell inch square of surface soil every few rods sifting lifting it through a quarter inch mesh siele this will retain the egg capsules if there are any one bosses rosses ro ros sees ses emy cay a ten acre field by one route and back by another then he examines the borders and roadways in in the same way if IE by this sampling method a great many very few or no egg capsules cap iules are found one has a 14 and reliable index to grasshopper population the next year for that field if a dozen or two of the most likely fields of the county are thus carefully surveyed this sampling campling I becomes a reliable index |