. Fertilisers and manures. (^ v-^-^ Pitch CliainWheel Roller Roller Fig. 8. Diagrammatic Section ol Manure Distributor—Endless ChainFeed Fig. 9.—Broadcast Manure Sower with Revolving DiscsFOR Distribution. [To face page 374. XIII.] EXPERJMEXTAL WORK BY FARMERS 375 of the plants as regards disease, insect attacks, etc., andin the texture of the soil, from having due weight. Inpot work the artificiality of the conditions is increased ;pot experiments are only of value to the investigator inclearing up the earlier stages of an enquiry before theapplications to practice begin to be consider
. Fertilisers and manures. (^ v-^-^ Pitch CliainWheel Roller Roller Fig. 8. Diagrammatic Section ol Manure Distributor—Endless ChainFeed Fig. 9.—Broadcast Manure Sower with Revolving DiscsFOR Distribution. [To face page 374. XIII.] EXPERJMEXTAL WORK BY FARMERS 375 of the plants as regards disease, insect attacks, etc., andin the texture of the soil, from having due weight. Inpot work the artificiality of the conditions is increased ;pot experiments are only of value to the investigator inclearing up the earlier stages of an enquiry before theapplications to practice begin to be from pot experiments with regard to fieldwork must be drawn with great caution and alwaysregarded with suspicion. It will follow from what has been said about the carewith which field experiments are to be conducted andthe large margin of error inherent in their results evenunder favourable conditions, that they are hardly to belightly entered upon by the ordijiary busy farmer, andthat the advice so often given to him to work out byexperiment the manures best suited to his own farmwould really involve a disproportionate a
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookpublishernewyorkepdutton
