
施肥对毛竹林产量影响的Meta分析
陆启帆, 林上平, 刘胜辉, 郑翔, 毕毓芳, 肖子璋, 姜姜, 王安可, 杜旭华
南京林业大学学报(自然科学版) ›› 2024, Vol. 48 ›› Issue (1) : 88-96.
施肥对毛竹林产量影响的Meta分析
Meta-analysis of the effect of fertilization on the yield of Phyllostachys edulis forest
【目的】施肥及其配比是决定毛竹(Phyllostachys edulis)林产量的重要因素,但当前毛竹林的最佳施肥方案仍存在争议。笔者综合汇总分析已有文献,用Meta分析比较施肥总量和元素配比对产量及其构成因子的影响,提出相对普适的毛竹林施肥方案。【方法】基于Meta分析,搜集汇总当前3种重要数据库中有关于“主题[毛竹(moso bamboo/Phyllostachys edulis)]和(and) 主题[施肥(apply fertilizer/fertilization)]和 (and) 主题[产量(yield)]”的文献,再对收录数据划级分类,系统探究施肥总量、氮肥占比、磷肥占比、钾肥占比对毛竹林产量及其构成因子的影响。【结果】施肥使新竹产量(YB)、竹笋产量(YS,包括春笋产量和冬笋产量)、春笋产量(YSS)、冬笋产量(YWS)、新竹胸径(DB)、新竹高度(HB)、成竹数(NB)、出笋数(NS)、春笋出笋数(NSS)、春笋退笋数(NRSS)分别提升了42.76%、57.01%、62.88%、67.78%、7.22%、8.17%、35.84%、40.35%、38.35%、33.38%。磷肥占比与YB呈正相关,而与YSS和YWS呈负相关,钾肥占比则与YB呈负相关,与YSS和YWS呈正相关。【结论】材用毛竹林的施肥策略建议为施肥总量不超过337.5 kg/hm2,不低于228.7 kg/hm2,其中氮肥占比不超过62.5%,不低于50.9%,磷肥占比为14.0%~32.7%,钾肥占比低于16.4%。笋用毛竹林的施肥策略建议为施肥总量不超过228.7 kg/hm2,氮肥占比在37.8%~62.5%之间,磷肥占比低于22.3%,钾肥占比高于24.9%。笋材两用毛竹林施肥量应在228.7~337.5 kg/hm2之间,氮肥占比在50.9%~62.5%之间,磷肥占比应在14.0%~22.3%之间,钾肥占比则应控制在16.4%~24.9%之间。
【Objective】 The fertilization regime and its composition are crucial in determining the yield of Phyllostachys edulis (moso bamboo) forests. There is ongoing debate over the optimal fertilization strategy for these forests. This study aims to synthesize existing literature through a Meta-analysis to compare the impacts of total fertilization amounts and nutrient ratios on yield and its contributing factors, ultimately proposing a more universally applicable fertilization plan for moso bamboo forests. 【Method】 In this Meta-analysis, relevant data concerning moso bamboo, fertilizer application, and yield were collected and aggregated from various databases. The data underwent categorization and analysis to systematically explore the effects of total fertilization, and the proportions of nitrogen, phosphorus, and potassium fertilizers, on the yield of Moso bamboo forests and their contributing factors. 【Result】 Fertilization was found to significantly enhance various metrics: yield of new bamboo (YB) by 42.76%, shoot yield (YS), including both spring and winter shoot yields, by 57.01%, spring shoot yield (YSS) by 62.88%, winter shoot yield (YWS) by 67.78%, diameter of new bamboo (DB) by 7.22%, height of new bamboo (HB) by 8.17%, the number of mature bamboos (NB) by 35.84%, the number of shoots (NS) by 40.35%, the number of spring shoots (NSS) by 38.35%, and the number of retrogressed spring shoots (NRSS) by 33.38%. A positive correlation was observed between the proportion of phosphorus fertilizer and YB, but a negative correlation with YSS and YWS. In contrast, the proportion of potassium fertilizer showed a negative correlation with YB and a positive correlation with YSS and YWS. 【Conclusion】 For timber-producing bamboo forests, the recommended total fertilization amount should range from 228.7 to 337.5 kg/hm2, with nitrogen fertilizer comprising 50.9%-62.5%, phosphorus between 14.0% and 32.7%, and potassium lower than 16.4%. For shoot-producing forests, the total fertilization should not exceed 228.7 kg/hm2, with nitrogen proportions between 37.8% and 62.5%, phosphorus below 22.3%, and potassium above 24.9%. In dual-purpose forests, fertilization amounts should be maintained between 228.7 and 337.5 kg/hm2, with nitrogen at 50.9%-62.5%, phosphorus at 14.0%-22.3%, and potassium controlled between 16.4% and 24.9%.
新竹产量 / 竹笋产量 / 产量构成因子 / 施肥总量 / 养分配比 / Meta分析 / 毛竹
yield of bamboo / yield of shoots / yield components / total fertilization / nutrient proportion / Meta-analysis / Phyllostachys edulis (moso bamboo)
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