Insect pests of farm, garden and orchard . ns, kainit, lime and nitrate of soda mayhave some direct effect on insects, it is probable that their chiefimportance is to so stimulate the plant that it will not be subjectto insect attack or will grow in spite of some injury. It is wellknown that plants which have been weakened from any causewhatsoever are much more subject to the attacks of insects anddiseases, and it is therefore obvious that plants which have had avigorous growth and which will mature rapidly will much betterwithstand insect attack. Thorough preparation of the soilbefore plantin
Insect pests of farm, garden and orchard . ns, kainit, lime and nitrate of soda mayhave some direct effect on insects, it is probable that their chiefimportance is to so stimulate the plant that it will not be subjectto insect attack or will grow in spite of some injury. It is wellknown that plants which have been weakened from any causewhatsoever are much more subject to the attacks of insects anddiseases, and it is therefore obvious that plants which have had avigorous growth and which will mature rapidly will much betterwithstand insect attack. Thorough preparation of the soilbefore planting, liberal fertilization, and thorough culture aremost important in growing a crop in spite of its insect many cases liberal fertilization and culture will mature a goodcrop where under poorer care it would have succumbed to insectinjury. In general, land covered with barnyard manure presentsmore favorable conditions for the hibernation of insects than thatfertilized with mineral fertilizers, but unless this is very appreciablv. IiG. 24.—Above, a poorly kept roadside with railfence overgrown withbraml)les, thus affording protection for large numbers of destructiveinsects during winter. Below, a well kept roadside, offering the leastprotection possil)le for destructive insects. (After Webster, U. Agr.). 36 FARM METHODS FOR THE CONTROL OF INSECTS 37 the case, it will uaually be preferred to them as far as it isavailable. Clean Farming.—After a crop has been harvested there isusually some portion of the plant which is allowed to remainon the land. In this refuse the insects peculiar to the crop oftenfeed and multiply until killing frost and then hibernate overwinter, ensuring injury to similar crops on the same land the x\&-^^
Size: 1340px × 1865px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcet, bookyear1912
