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调查了土壤中配以不同量的桉树叶凋落物对温室条件生长的常见作物和树木的他感作用。用于生物鉴定物种包括三种常见农作物(Falen(Vigna unguiculata),Chickpea(Cicer arietinum),Arhor(Cajanus cajan))和两种广泛栽植树种(Sadakoroi(Albizia procera)and Ipil ipil(Leucaena leucocephala))。实验材料在室温(27°C)条件下用托盘培养,混以不同剂量的凋落物的土壤培养材料的各项指标与对照比较。结果表明,桉树凋落叶诱导抑制作用,且该作用依赖于萃取物和凋落物浓度,受作用物种类型。实验用材料的剂量越高,抑制作用则越高,反之,亦然。尽管生物鉴定种均受到抑制,其中仍有表现较好的种。基于本实验结果,推荐Vigna unguiculata,Cicer arietinum种于复合农林系统中。在混交林中,Leucaena leucochephala和Albizia procera比较,优先选择Leucaena leucochephala。图4表7参39。
He investigated the sensory effects of different levels of eucalyptus leaf litter on the common crops and trees in greenhouse conditions. Species used for the bioassay include three common crops (Falen (Vigna unguiculata), Chickpea (Cicer arietinum), Arhor (Cajanus cajan) and two widely planted species (Sadakoroi (Albizia procera) and Ipil ipil (Leucaena leucocephala)). The experimental materials were cultured on trays at room temperature (27 ° C). The soil culture materials mixed with different litterfalls were compared with the control. The results showed that litter leaf litter eucalyptus induced inhibition, and the effect was dependent on the concentration of extract and litter, depending on the type of species affected. The higher the dose of experimental material, the higher the inhibition, and vice versa. Although the biometric species are suppressed, there are still better performing species. Based on the results of this experiment, we recommend Vigna unguiculata and Cicer arietinum in the composite agroforestry system. In mixed forests, Leucaena leucochephala is preferred to Albizia procera and Leucaena leucochephala is preferred. Figure 4 Table 7 参 39.