. Proceedings of the American Society of Agronomy . , as has been previously mentioned,may be due in part to the much shorter period of growth in the basketsas compared with the pots. It will be remembered that with the potsthe highest percentage increase due to fertilizers was obtained wherethe moisture content of the soil was quite low, percent. Thisincrease gradually became less following a rise in the soil moistureuntil at percent moisture it had dropped from percent in thebeginnings to percent. Where the plants were grown for only three weeks, the fertilizershave re
. Proceedings of the American Society of Agronomy . , as has been previously mentioned,may be due in part to the much shorter period of growth in the basketsas compared with the pots. It will be remembered that with the potsthe highest percentage increase due to fertilizers was obtained wherethe moisture content of the soil was quite low, percent. Thisincrease gradually became less following a rise in the soil moistureuntil at percent moisture it had dropped from percent in thebeginnings to percent. Where the plants were grown for only three weeks, the fertilizershave reached their maximum efficiency in the medium moisture series. 21 8 PROCEEDINGS OF THE AMERICAN SOCIETY OF AGRONOMY. producing an average increase in dry matter of percent. (SeeFig. 22.) In the percent moisture series an increase of per-cent was produced, and in the percent moisture an increase of o o 10 (S o o CO 00 E** 8s (U (1« |3L4 PL, pi, o nS 2S SS ^^Smn SEW r-ttonrHtoOvbtoio 11 ID 0 § g % Moisture. 29 fo ^ Moisture.
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