The results showed that the soil reaction fatigue longan and nitrogen fertilizer at different result ให้การเจริญเติบโต the height, number of leaves. And the leaf area of longan seedlings are significantly different. In terms of size were not significantly different. It was found that the period and 165 180. The Longan Seedlings at different height significantly. At the time 30-180 days. Longan seedlings leaf were different significantly, and at the time 30 45 60 75,,,,,,, 120 135 150 and 175 180. The seedlings of longan leaf area varies significantly. Found that treatments with the soil reaction level and 7 nitrogen in the form of ammonium. The height, size, number of leaf and stem, leaf area, most of 77.98 cm, 1.29 cm, 239.33 leaves. And the 8 304.67 cm, respectively, in the treatments of the soil reaction level and 4 nitrogen in the form of nitrate with the growth of Longan Seedlings minimal throughout the experiment.
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