宝鸡市核桃幼龄园套种柴胡成效调查  

Effect of Inter-planting Bupleurum in Young Walnut Plantations in Baoji

作　　者：孙引娟 张晓飞 王三省[1] SUN Yin-juan;ZHANG Xiao-fei;WANG San-sheng(Baoji Forestry Work Center,BaoJi Shaanxi 721001)

机构地区：[1]宝鸡市林业工作中心站,陕西宝鸡721001

出　　处：《陕西林业科技》2023年第1期118-120,共3页Shaanxi Forest Science and Technology

基　　金：中央财政林业科技推广项目(SLTG[2022]10)。

摘　　要：为指导宝鸡市渭北黄土丘陵区核桃园套种柴胡生产,以千阳县套种柴胡的核桃园为对象,进行了不同郁闭条件幼龄核桃园播种栽培柴胡效果调查,结果为不同郁闭条件核桃园套种柴胡成苗、植株高度、地下及地上生物量存在显著差异,郁闭度较低者(0.2~0.3)种植柴胡尽管出苗较差,但在综合方面(光照条件、土壤水分含量)相对最好,也最有利于柴胡生长和经济产量形成;中等郁闭(0.4~0.6)核桃园最有利于柴胡播种成苗,郁闭度较大(0.6~0.8)核桃园成苗量、植株生长、经济产量形成都最差;核桃园东西两侧柴胡播种出苗、植株生长、经济产量也存在差异,东侧优于西侧;树冠郁闭状况和地势是影响核桃园套种柴胡效果的重要因素,建议柴胡套种在郁闭度较小(低于0.4)的幼龄园,对园地西侧地段应加强中耕除草、保墒等措施,以提高林下套种柴胡经济效益。In order to guide bupleurum inter-planting in walnut orchard in Weibei loess hilly-gully area of Baoji City,inter-planting bupleurum in Qianyang County as the object was investigated regarding the effect of sowing and cultivating bupleurum in young walnut orchard under different canopy conditions.The results showed that there were significant differences in the seedling,plant height,underground and above-ground biomass of bupleurum inter-planting in walnut orchard under different canopy conditions.Low canopy closure(0.2~0.3),although the seedling emergence was poor,has relatively best comprehensive conditions(light condition and soil moisture)and the growth and economic yield of bupleurum were most favorable.Medium canopy closure(0.4~0.6)was the most conducive to seedling formation and large canopy closure(0.6~0.8)had the worst in seedling size,plant growth and economic yield formation.There were also differences in seedling emergence,on east side and west side of walnut orchard,and seedlings of bupleurum on the east side was better than that in the west side.Canopy closure and terrain are important factors affecting the effect of inter-planting bupleurum.Young orchard with a small canopy closure(less than 0.4),together with tillage,weeding and soil moisture conservation is highly recommended.

关 键 词：幼龄核桃园 套种 柴胡 成苗数量 株高 生物量 

分 类 号：S664.1[农业科学—果树学]