. Efficient use of nitrogen on crop land in the Northeast. Plants; Soils. Efficient Use of Nitrogen 30 7 15 22 29 5 12 JUNE JULY JULY JULY JULY AUG AUG Figure 2. Concentration of nitrate-N in table beet petioles. A = No N fertilizer, B = N fertilizer May 4, C = N fertilizer July I, D = N fertilizer Moy 4 and July 1. ( Peck, New York) When fertilizer N was applied before planting, the steady-state concentration of glutamine was reached early, and there was little response to additional side- dressing applications of fertilizer N. When fertilizer N was not applied before planting, there
. Efficient use of nitrogen on crop land in the Northeast. Plants; Soils. Efficient Use of Nitrogen 30 7 15 22 29 5 12 JUNE JULY JULY JULY JULY AUG AUG Figure 2. Concentration of nitrate-N in table beet petioles. A = No N fertilizer, B = N fertilizer May 4, C = N fertilizer July I, D = N fertilizer Moy 4 and July 1. ( Peck, New York) When fertilizer N was applied before planting, the steady-state concentration of glutamine was reached early, and there was little response to additional side- dressing applications of fertilizer N. When fertilizer N was not applied before planting, there was marked response to side-dressing applications of fertilizer, leading again to a higher concentration of glutamine. As the roots from plants grown on the various fer- tilizer treatments matured, the total sugar (sucrose) concentration increased, but at a rate inversely pro- portional to the total amount of fertilizer N applied. UJ < u q: ui a. 30 7 JUNE JULY Figure 3. Concentration of nitrate-N in table beet roots. See Figure 2 for explanation of symbols. ( Peck, New York). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Barker, Allen V. , 1937-. New Haven : Connecticut Agricultural Experiment Station
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