sole cropping

Rape seed yield per plant in the mix cropping system was 33.4 % and 13.0 % higher than that in the intercropping system and the sole cropping system , respectively .

油菜单株产量也以混作处理最高，比间作处理增加33.4%，比施磷单作处理增加13.0%；

But at N2 , the crude fat yield of spring-sown maize in relay intercropping system was higher than that of sole cropping ; and no significant differences were observed between the crude protein yield of summer-sown maize relay intercropping and that of sole cropping .

但在N2条件下，春玉米全株粗脂肪产量高于单作，夏玉米全株粗蛋白产量与单作差异不显著。

Based on continuous experiments for three years , the difference of light utilization between intercropping and sole cropping has been compared .

通过连续3年小麦、玉米带状间套作的试验，比较了作物在间套种植与单作种植时对光能利用的差异。

The unit area value of double cropping , row cropping was 1.76 and 1.35 times of sole cropping .

复种、间作农田单位面积产值分别为单作一熟农田的1.76和1.35倍。

The unit area yield of sequential cropping , row cropping , crop rotation was 1.63 , 1.29 and 1.16 times of sole cropping .

单位面积产量分别为单作一熟农田的1.63、1.29和1.16倍；

The result showed , comparing with sole cropping , the land use efficiency of sequential cropping , row cropping , crop rotation raised by 62 % , 38 % and 21 % .

结果表明，与单作一熟农田相比，复种、间作及轮作农田土地利用效率分别提高62%、38%和21%；

Results of comparative test were as follows : Economic benefit of the planting mode was 2.58 ~ 3.15 times than that of sole cropping , its comparison of income and invest increased from 1.36 ~ 2.16:1 to 2.38:1 .

试验结果为：此模式种植产出与投入比由单作的1.63～2.16∶1提高到2.38∶1，其效益是单作田的2.58～3.15倍。

The results indicated that chlorophyll content , root activity and photosynthetic rate of intercropped maize were higher than that of maize sole cropping , while ginger 's physiological characters were various in different intercropping patterns and growing stages .

结果表明：间作的春玉米叶绿素含量、根系活力、光合速率较单作都有提高；而生姜的生理特性则随配置方式及生育期的不同而不同。

The results showed that intercropping increased crop yield , enhanced bacterial diversity and changed bacterial community composition in rhizosphere compared to sole cropping , and the effect was most pronounced in the wheat / faba bean intercropping system when the two species at anthesis .

其中，小麦/蚕豆间作对根际细菌群落结构的影响最为突出，作物花期时小麦/蚕豆间作显著提高和改变两种作物根际细菌多样性和群落结构组成。

Impacts of hedgerows on soybean are more than that of wheat , however , with increasing distance impacts of hedgerows on crops decrease and the differences of biomass , concentration , uptake of nitrogen between intercropping and sole cropping systems are not significant .

绿篱对相邻行大豆影响大于小麦，但随着距离的增加，间作系统各行作物生物量、含氮量和吸氮量与单作相比差异不显著。

Allelopathic effects of 3 kinds of root exudates on root and shoot dry weight of wheat , corn and pigeon-pea in sole and mixed cropping patterns were studied through germination experiment under different concentration and combination .

通过发芽试验研究了不同作物根系分泌物在不同浓度、不同组合方式下对单播和混播作物根干重和芽干重造成的化感效应。