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当前位置: 首页 > 文章 > 施肥对半干旱区沙地樟子松人工林土壤N矿化的影响 园艺与种苗 2017 (4) 50-52
Position: Home > Articles > Effects of Nitrogen Fertilization on Soil Nitrogen Mineralization of Pinus Sylvestris Pine Plantation in a Semi-arid Regions Horticulture & Seed 2017 (4) 50-52

施肥对半干旱区沙地樟子松人工林土壤N矿化的影响

作  者：
姜涛
单  位：
辽宁省风沙地改良利用研究所
关键词：
樟子松;土壤氮矿化;硝酸铵
摘  要：
以辽西北风沙半干旱地区樟子松人工防沙林为特定研究目标,测定不同施肥时间、不同施肥量对樟子松林土壤氮矿化作用的影响。结果表明,土壤净氮矿化速率和净硝化速率均表现为4月份施肥处理最高,8月份次之,6月份最低。而土壤净氨化速率则表现为6月份施肥处理最高,4月份次之,8月份最低。在相同施肥时间各处理中,当施肥量为15 g/m~2时土壤净氮矿化速率、净氨化速率和净硝化速率最高,为最适宜的硝酸铵施用量。
译  名：
Effects of Nitrogen Fertilization on Soil Nitrogen Mineralization of Pinus Sylvestris Pine Plantation in a Semi-arid Regions
作  者：
JIANG Tao;Institute of Sandy land Amelioration and Utilization of Liaoning;
关键词：
Pinus Sylvestris;;Soil nitrogen mineralization;;NH2NO3
摘  要：
Take Pinus sylvestris pine plantation as research object, effect of different fertilization time and different fertilizer levels to soil nitrogen mineralization were studied. Fertilizated at April, the soil net nitrogen mineralization rate and net nitrification rate were highest, at Augest were second and at June were lowest. But net ammonification rate of being fertilizated at June were highest, at April were second and at Augest were lowest. When fertilizated at the same time, fertilizer level at 15 g/m~2, the net nitrogen mineralization rate, net nitrification rate and net ammonification rate were the highest. 15 g/m~2 were best fertilization concertration.

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