Effect of Fertilization on Soil Fertility and Individual Stand Biomass in Strip Cut Moso Bamboo (Phyllostachys edulis) Forests

被引:2
|
作者
Li, Zhen [1 ,2 ]
Guan, Fengying [1 ,2 ]
Zhou, Xiao [1 ,2 ]
Liu, Liyang [1 ,2 ]
Fu, Dawei [1 ,2 ]
Zhang, Xuan [1 ,2 ]
Li, Minkai [1 ]
机构
[1] Int Ctr Bamboo & Rattan, Key Lab Natl Forestry & Grassland Adm, Beijing 100020, Peoples R China
[2] Natl Forestry & Grassland Adm, Natl Locat Observat & Res Stn Bamboo Forest Ecosys, Wuxi 214200, Peoples R China
来源
FORESTS | 2024年 / 15卷 / 02期
关键词
Moso bamboo; strip cutting; fertilization; soil fertility; biomass; DIVERSITY; GROWTH;
D O I
10.3390/f15020252
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
Strip cutting has emerged as a new, efficient, and mechanized bamboo forest management model. To shorten the recovery period in strip cutting management, improve bamboo resource quality, prevent soil degradation, and achieve sustainable management, we selected on-year pure Moso bamboo (Phyllostachys edulis) forests for an 8-meter-wide strip cut. Three fertilization methods were applied in a complete two-factor experiment, including spreading, cave, and bamboo stump fertilization, at three fertilization dosages of 600, 900, and 1200 kg/ha (N:P:K = 3.5:1:2). We investigated the effects of different fertilization treatments on the biomass of new bamboo shoots and soil fertility to provide a reference for identifying the optimal fertilization scheme. The results showed that fertilization treatment increased the individual stand biomass of new Moso bamboo shoots, with a decreasing trend in the proportion of branches and leaves and an increasing proportion of culms in biomass allocation. Fertilization treatment significantly increased the total nitrogen, phosphorus, and potassium and available phosphorus contents in the soil. Overall, fertilization at 900 kg/ha using the spreading method showed the best results in promoting individual plant biomass recovery (5% increase in culm proportion and 4.12 kg increase in biomass per plant) and restoring soil fertility (increase the contents of TN, TP, TK, and AP in the entire soil layer) after strip cutting Moso bamboo forests, which addresses these pertinent issues in the strip cut management model.
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页数:12
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