施肥对湿地松中龄林生长及土壤的影响

doi:10.11924/j.issn.1000-6850.casb14120021

中国农学通报 ›› 2015, Vol. 31 ›› Issue (16): 6-13.doi: 10.11924/j.issn.1000-6850.casb14120021

施肥对湿地松中龄林生长及土壤的影响

肖兴翠^1,2,李志辉¹,张志兰³,康伟静²,吴际友⁴

(¹中南林业科技大学,长沙 410004；²泰格林纸集团股份有限公司,湖南岳阳 414002；³云南林业职业技术学院,昆明 650024；⁴湖南省林业科学院,长沙 410004）

收稿日期:2014-12-02 修回日期:2015-05-18 接受日期:2015-03-24 出版日期:2015-07-27 发布日期:2015-07-27
通讯作者: 肖兴翠
基金资助:
“十二五”农村领域国家科技计划专题“湿地松高世代及脂用种质创制、新品种选育及示范”(2012BAD01B0203)。

Effects of Fertilization on the Growth and Soil of Middle-aged Slash Pine Forest

Xiao Xingcui^1,2, Li Zhihui¹, Zhang Zhilan³, Kang Weijing², Wu Jiyou⁴

(¹Central South University of Forestry and Technology, Changsha 410004;²Tiger Forest & Paper Group Co., Ltd., Yueyang Hunan 414002;³Yunnan Forestry Technological College, Kunming 650024;⁴Hunan Academy of Forestry, Changsha 410004)

Received:2014-12-02 Revised:2015-05-18 Accepted:2015-03-24 Online:2015-07-27 Published:2015-07-27

摘要/Abstract

摘要： 为了促进湿地松中龄林的生长，以湘北9年生湿地松为研究对象，研究了配方肥不同施肥量对湿地松生长、土壤的影响及成本效益。施肥后3年的结果表明：不同施肥处理的胸径、树高、单株材积、林分蓄积生长量及施肥效益均不同程度高于对照，以700 g/株对湿地松生长的促进作用最大；施肥后2年的土壤养分比施肥前有所改善，不同土层土壤pH值降低，有机质、速效K含量均有所提高，速效N含量大幅提高，上层增加量高于下层，速效P不同程度减小，上层减少量低于下层；适量施肥可促进豆马勃菌的生长，施肥后7个月，豆马勃子实体个数在100~800 g/株范围内总体随施肥量的增加而增加。对湿地松中龄林进行1次追肥，能提高单位面积产量和效益，以N、P、K配方肥700 g/株最佳。

关键词: 生理特性, 生理特性

Abstract: In order to promote the growth of mid-aged Pinus elliottii forest, the influence of different fertilizing levels of formula fertilizer was studied on the growth, the soil and cost-benefit of 9 year-old Pinus elliottii plantations in the northern part of Hunan, China. The results showed that, 3 years after fertilization, the increment of DBH, height, individual volume and the stand volume, and the fertilizer benefit of different fertilization treatments were higher than that of the contrast in different degrees, 700 g/tree had the biggest role for the growth of Pinus elliottii. 2 years after fertilization, the soil nutrient was improved than before, the soil pH value of different layers decreased, organic matter and available K content increased. Available N content increased dramatically, and the increase in the upper layer was higher than that in the lower one. Available P decreased in different degrees, and reduction in the upper layer was lower than that in the lower one. The proper application of fertilizer could promote the growth of Pisolithus tinctorius, and 7 months after fertilization, the number of Pisolithus fruiting body generally increased with the increase of the fertilizer in 100-800 g/tree. Fertilization once in middle-aged slash pine plantations could increase the yield and benefit of per unit area, the best fertilizing amount was N-P-K fertilization of 700 g/tree.

肖兴翠,李志辉,张志兰,康伟静,吴际友. 施肥对湿地松中龄林生长及土壤的影响[J]. 中国农学通报, 2015, 31(16): 6-13.

Xiao Xingcui,Li Zhihui,Zhang Zhilan,Kang Weijing and Wu Jiyou. Effects of Fertilization on the Growth and Soil of Middle-aged Slash Pine Forest[J]. Chinese Agricultural Science Bulletin, 2015, 31(16): 6-13.

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施肥对湿地松中龄林生长及土壤的影响

Effects of Fertilization on the Growth and Soil of Middle-aged Slash Pine Forest

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