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当前位置: 首页 > 文章 > 油茶幼林不同液态肥施用方式对土壤理化性质影响的研究 南方林业科学 2015 (2) 24-27
Position: Home > Articles > Research on the impact of physicochemical properties of soil by different fertilization methods of liquid fertilizer in young forest of Camellia oleifera South China Forestry Science 2015 (2) 24-27

油茶幼林不同液态肥施用方式对土壤理化性质影响的研究

作  者：
左继林;占志勇;周文才;黄建建;龚春;王玉娟;蓝萍
单  位：
赣州市宝葫芦农庄油茶开发有限公司;江西省林业科学院
关键词：
油茶幼林;液态肥;施肥方式;土壤理化性质
摘  要：
开展幼林油茶不同液态施肥方式下的土壤理化性质研究。初步结果表明:1采用淋灌+100%施肥量和滴灌+60%施肥量的施肥方式均能有效提高油茶幼林林地土壤的p H值,且淋灌+100%施肥量效果显著;两种处理方式下林地表层土壤的p H值分别比滴灌不施肥高0.57和0.16;而深层土壤p H值分别比滴灌不施肥高0.41和0.39。2滴灌+60%施肥量能显著改善油茶林地的土壤含水量,且林地表层、深层土壤含水量较滴灌不施肥表层、深层土壤的含水量分别提高1.10%和1.18%。3淋灌+100%施肥量和滴灌+60%施肥量的施肥方式均能显著降低林地土壤容重和全N、全P含量,且滴灌+60%施肥量的效果优于淋灌+100%施肥量;两种措施的表层土壤容重较滴灌不施肥方式分别降低0.03 g/cm3和0.04 g/cm3;而深层土壤容重则分别降低0.04 g/cm3和0.06 g/cm3。4滴灌+60%施肥量能显著提高油茶幼林地土壤孔隙度与速效N、速效P和速效K,表层和深层土壤孔隙度则分别提高4.31%和5.00%,深层土壤中速效N、速效P和速效K增幅分别达到42.8%、88.9%和19.7%。水肥一体化的施肥方式能显著改善油茶幼林林地土壤的理化性质。
译  名：
Research on the impact of physicochemical properties of soil by different fertilization methods of liquid fertilizer in young forest of Camellia oleifera
作  者：
Zuo Jilin;Zhan Zhiyong;Zhou Wencai;Huang Jianjian;Gong Chun;Wang Yujuan;Lan Ping;Jiangxi Academy of Forestry;Ganzhou Baohulu Farm Camellia oleifera Development Co., Ltd.;
关键词：
young forest of Camellia oleifera;;liquid fertilizer;;fertilization pattern;;physicochemical properties of soil
摘  要：
Research on the impact of physicochemical properties of soil by different fertilization methods of liquid fertilizer in young forest of Camellia oleifera was carried out, preliminary results showed as follows: 1 two fertilization methods, leaching irrigation + 100% fertilizing amount and drip irrigation + 60% fertilizing amount, both of which could effectively raise the p H value of C. oleifera forestland soil and the effect was obvious for the former. The p H value of forestland soil in surface with both two treatments was 0.57 and 0.16 higher than that under the method of drip irrigation + no fertilizer; and p H value of deep soil was 0.41 and 0.39 higher likewise. 2 drip irrigation + 60% fertilizing amount significantly improved soil moisture and the water content of soil in surface and deep layer increased by 1.10% and 1.18% compared to the method of drip irrigation + no fertilizer. 3 leaching irrigation + 100% fertilizing amount and drip irrigation + 60% fertilizing amount significantly reduced soil bulk density and total N, P content in the forestland and the effect was obvious for the latter. The soil bulk density of the surface layer under the two measures decreased by 0.03 g/cm3 and 0.04 g/cm3, respectively, compared to the method of drip irrigation + no fertilizer, while soil bulk density of the deep layer decreased by 0.04 g/cm3 and 0.06 g/cm3. 4 Under the method of drip irrigation + 60% fertilizing amount, soil porosity, available N, available P and available K of the forest land were significantly improved on the young forest of C. oleifera, in addition, soil porosity of surface and deep layer were increased by 4.31% and 5.00%, respectively, and available N, available P and available K in deep soil layer increased by 42.8%, 88.9% and 19.7%, respectively. In conclusion, the pattern of integration of water and fertilizer can significantly improve physicochemical properties of soil in young forest of C. oleifera.

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