. Proceedings of the American Society of Agronomy . Fig. 27.—Number of days from planting to heading (wheat) under differentconditions of soil moisture and fertilization. When the plants were mature, measurements were taken to deter-mine the influence of the various treatments upon the average lengthof culms from surface of soil to the base of the spikes and also uponthe average length of spikes. MORGAN : AVAILABILITY OF PLANT NUTRIENTS. Table XXIX gives the data as regards the length of culms. SeeFig. 28. Increasing the moisture content of the soil from percent percent has increas
. Proceedings of the American Society of Agronomy . Fig. 27.—Number of days from planting to heading (wheat) under differentconditions of soil moisture and fertilization. When the plants were mature, measurements were taken to deter-mine the influence of the various treatments upon the average lengthof culms from surface of soil to the base of the spikes and also uponthe average length of spikes. MORGAN : AVAILABILITY OF PLANT NUTRIENTS. Table XXIX gives the data as regards the length of culms. SeeFig. 28. Increasing the moisture content of the soil from percent percent has increased the average length of culms from to inches. U t> a) bO Z ^ 2. fa ^• CO Is % MolBture -35. Inches. 40 Moisture
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