摘要
采用立地养分效应配方施肥模型研究毛竹专用肥,考察不同施肥处理对毛竹新竹株数及竹笋产量的影响,结果表明:在N:P:K=108:25:63施肥处理下,毛竹材用林新竹增长数最大,比对照处理CK增加新竹525株/hm^2。在N:P:K=284:124:236施肥处理下,毛竹笋材两用林新竹增长数最大,比对照处理CK增加新竹600株/hm^2。在N:P:K=213:93:177施肥处理下,毛竹笋材两用林笋产量增长最大,比对照处理CK增加360%。综合上述结果,取平均值为毛竹专用肥基本配方:N:P:K=45%:20%:35%。
The special fertilizer of Phyllostachys pubescen was researched by using the site effect nutrient fertilization formula model. The effects of different fertilization treatments on new bamboo quantity and bamboo shoots yield were studied. The results showed that, under the fertilization treatment of N ： P ： K=108 ： 25 ： 63, the new bamboo quantity of bamboo stand for timber products had the maximum value, which increased 525 plants/hm2 than that of control. Under the fertilization treatment of N ： P ： K=284 ： 124 ： 236,the new bamboo quantity of bamboo stand for shoot and timber products reached the maximum value, which increased 600 plants/hm2 than that of control. Under the fertilization treatment of N ： P ： K=213 ： 93 ： 177,the bamboo shoots yield of bamboo stand for shoot and timber products had the maximum value, which increased 360% than that of control. Based on the results obtained, the special fertilizer basic formula of Phyllostachys pubescen was N ： P ： K=45%： 20% ： 35%.
出处
《湖南林业科技》
2017年第3期75-80,共6页
Hunan Forestry Science & Technology
基金
湖南省林下经济科技支撑项目(2016XN0206)
关键词
毛竹
专用肥
施肥效益
Phyllostachys pubescen
special fertilizer
fertilizer efficiency
