. Florists' review [microform]. Floriculture. 16 The Florists^ Review AoonsT 7, SqOBNCE IN GSEENHOUdES. [ThU la the fourth and last Installment of the article on "How Science Alda ; by B. A. White, professor of floriculture. Cornell Unl- ?erslty, Ithaca. N. Y.] It is impossible to discuss fully all that" scientific chemistry has done for floriculture. The results of this type of work have been far-reaching, not only as regards a plant's environment with reference to atmosphere and to soil and its fertility, but along the lines of insecticides and fungicides as we
. Florists' review [microform]. Floriculture. 16 The Florists^ Review AoonsT 7, SqOBNCE IN GSEENHOUdES. [ThU la the fourth and last Installment of the article on "How Science Alda ; by B. A. White, professor of floriculture. Cornell Unl- ?erslty, Ithaca. N. Y.] It is impossible to discuss fully all that" scientific chemistry has done for floriculture. The results of this type of work have been far-reaching, not only as regards a plant's environment with reference to atmosphere and to soil and its fertility, but along the lines of insecticides and fungicides as well. We know that sanitary conditions in the home have much to do with keeping disease germs and insect pests from gaining a foothold; nevertheless, con- tagion sometimes spreads from less care- ful individuals in the human family. The same principles apply to plants, especially in greenhouses. The scientific chemists have solved many'a complex problem for the florist in the eradication of both insects and fungi on plants. In this work the chemist has been assisted in a considerable degree by the entomologist and the plant pathologist. The work of the entomologist has been to study the character and the life his- tory of different groups of insects inju- rious to plant life, and through this inti- mate knowledge to aid the chemist in compiling formulas of sufficient strength to exterminate the pests. As certain chemical substances are injurious to plant tissue, the scientific work of the plant physiologist has also been neces- sary to bring about methods of insect extermination by the use of chemical substances which are effective, and which are in no way detrimental to the vigor of growth of plants. The Value of Physics. A question has sometimes arisen in various departments of agricultural col- leges regarding the value of a knowl- edge of physics. One of the funda- mentals of plant growth is light inten- sity, and the writer considers physics a most important subject for all
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Keywords: ., bookcentury1900, bookdecad, booksubjectfloriculture, bookyear1912
