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xiang jiao yu hu jiao fu he zhong zhi
Author(s): ZU Chao, ZUO Huasong
Pages: 30-
32
Year: 2014
Issue:
2
Journal: NONGCUN SHIYONG JISHU
Abstract: 橡胶是高大的落叶乔木,非生产期长达7年以上,经济寿命达20年以上.胡椒是多年生热带常绿藤本植物.种植后2~3年即有产出,经济寿命为20~30年.然而由于受价格波动、病虫害、自然灾害等因素影响,单一耕作栽培橡胶或胡椒,整体生态和经济效益均不高.
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