Field experiment were conducted to study the effects of flue-cured tobacco intercropped with sweet clover on the nutrient, yield and quality of tobacco.

通过田间试验，研究了在烤烟与草木樨间作条件下对烟叶养分、产量和品质的影响。

Soybeans are intercropped with maize.

玉米地里还插播着种大豆。

The niche and competition among species of natural enemies and pests in different intercropped and managed jujube orchard ecosystems in Taigu were studied.

对太谷地区枣园生态系统中主要害虫、天敌的时间、空间生态位及不同营养层物种间竞争进行了调查研究。

The results showed that: soil microbe number and soil enzyme activity of intercropped capsicum rhizosphere and non-rhizosphere zones is higher than that of the monoculture capsicum.

结果表明：套作栽培的线辣椒根际、非根际土壤微生物数量、酶活性均高于单作栽培。