Show farm and home data Is given the bureau of reclamation has just released information regarding a new killer for water weeds this new material is claimed to be cheaper 18 to 4 42 cents per gallon and more effective than many chlorinated hydrocarbons formerly used the new material is coal tar naptha mixed with five percent of mahogany soap this material should be readily obtainable salt lake has in tact fact promised to have plenty of the new killer available by the time moss becomes a menace to canals this is liow how the bureau of reclamation describes the use of the new material field trials so far have indicated that parts of the chemical to one million parts of water gives satisfactory control when this concentration is maintained over a period of one hour in contact with the water weeds to obtain parts per millions parts of water for an hour 5 gallons of the chemical formulation must be applied to each cubic foot per second of flow over a period of one hour if the canal is carrying 12 cubic feet per second it will require 00 gallons applied over a period of one hour or at the rate of one gallon of the mixture per minute inasmuch as the amount of chemical necessary to control weeds is directly proportioned to the water in the canal it is economical to reduce the flow at the time of treatment however it will be necessary to have all them the water weeds completely covered two very important precautions I 1 are given in the article first the new formula must be handled with caution because it is highly inflammable and because the fumes should not be inhaled second until more experimental work is done the bureau recommends that the water be wasted after treatment instead of applying it to crops they have found no injurious effects so far but say that more experimental work needs to be done before a definite statement is made about injury to crops protect your home and garden from pests by destroying the insect invaders promptly take care of insect control once each week in the garden apply DDT to control cabbage worms on cabbage flea beetles on beets one percent rotenone dust is recommended for pea weevil control on peas for canning nicotine spray or dusts will be effective against most kinds of aphids rotenone Kot Rote enone Aone may be used against most of the common garden pests without fear of aai leaving ng a poisonous residue on fruits or vegetables treated this is is a highly useful insecticide against a variety of pests when used as a one percent dust |