Journal of agricultural research . ^ .,«-•:.-., .^;:^* ^^^. Journal of Agricultural Research Vol. VI, No. 1 PLATE IVField stations for the collection of weather data at Rocky Ford, Colo., in 1913: Fig. I.—Weather shelter, anemometer, and rain gauge at edge of sugar-beet field. Fig. 2.—Weather shelter among beet plants, showing hygrothermograph and cogpsychrometer. Fig. 3.—Weather shelter of the local Weather Bureau station about 3 miles fromsugar-beet field. 27469°—16 5 ADDITIONAL COPIES OF THIS PUBLICATION MAT BE PROCURED FROM THE SUPERINTENDENT OF DOCUMENTS GOVERNMENT PRINTING OFFICE •WASHIN
Journal of agricultural research . ^ .,«-•:.-., .^;:^* ^^^. Journal of Agricultural Research Vol. VI, No. 1 PLATE IVField stations for the collection of weather data at Rocky Ford, Colo., in 1913: Fig. I.—Weather shelter, anemometer, and rain gauge at edge of sugar-beet field. Fig. 2.—Weather shelter among beet plants, showing hygrothermograph and cogpsychrometer. Fig. 3.—Weather shelter of the local Weather Bureau station about 3 miles fromsugar-beet field. 27469°—16 5 ADDITIONAL COPIES OF THIS PUBLICATION MAT BE PROCURED FROM THE SUPERINTENDENT OF DOCUMENTS GOVERNMENT PRINTING OFFICE •WASHINGTON, D. C. AT 20 CENTS PER COPY Subscription Price, Per Yeap. V Vol. VI AIPRIL lO, lOlG No. 2 JOURNAL OF AGRICULTURALRESEARCH CONTENTS Soluble Nonprotein Nitrogen of Soil 61 R. S. POTTER and R. S. SNYDER Oviposition of Megastigmus spermotrophus in the Seed of Douglas Fir 65 J. M. MILLER Citrus Canker 69 FREDERICK A. WOLF DEPARTMENT OF AGRICULTURE WASHINGTON, UWUBHamBOB WASHINOTON : OOVERNMCNT PRINTINa OFFICI : tBI» PUBUSHED BY AUTH
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagricul, bookyear1913
