查询词典 panicum

In order to deeply understand biomass formation for Panicum virgatum in the semiarid loess hilly-gully regions, we investigated the biomass production, ramet generation, and resource supply and demand at the plot and tussock scales during the yearly life cycles of two switchgrass species, i.e. early-maturing and late-maturing ones, respectively.

为深入认识半干旱黄土丘陵沟壑区引种能源植物柳枝稷生物质生产的开发潜力及其约束机制，调查了农田、植丛尺度上早熟和晚熟柳枝稷年度生命周期内生物量累积、分株建成动态，以及土壤水分供求平衡过程。

Weed species which appeared Over 20% in plots of golf courses were Cyperus rotundus,Kyllinga brevifolia,Oxalis dellenii,Panicum repens,Eleusina indica,Paspalum conjugtum,Digitaria sanguinalis,Hydrocotyle s...

在 2 0 %以上的样带小样方中出现的杂草种类为13种，即香附子、水蜈蚣、黄花酢浆草、铺地黎、牛筋草、两耳草、马唐草、天胡荽、狗尾草、空心莲子草、马齿苋、鸡眼草和犁头草；13种主要杂草总的年消长动态是：1～ 3月份个体数量较少，4～ 10月份期间生长加快，但消长起伏不平，10月份后变缓；70 %以上的主要杂草在草坪-杂草群落中生态位宽度均在 0 。7左右，其中生态位宽度较高的杂草种类为香附子(0 。90 5 4 )、水蜈蚣(0 。86 18)和黄花酢浆草(0 。8381)，生态位最小的杂草种类为马齿苋(0 。392 2 )；13种杂草中，相似性指数最高的杂草种对为空心莲子草与马齿苋(0 。75 98)，最小的杂草种对为天胡荽与鸡眼草 0 。16 6 6

Reyan No 4:Paspalum atratum cv. Reyan No 11:Stylosanthes guianensis cv. Reyan No 5: Panicum maximum jacq cv.

Reyan No.4，热研11号黑籽雀稗(Paspalum atratum.cv Reyan No.11)，热研5号柱花草Stylosanthes guianensis cv。

Reyan No 8=2.35: 1.1: 0.95: 0.6 had good fattening effect and had a remarkable difference with feeding with conventional forage grass of fattening in the goat field.

Reyan No.5和热研8号坚尼草(Panicum maximum jacq.cv Reyan No.8)在2.35：1.1：0.95：0.6的配比情况下育肥效果较好，与用常规饲草育肥相比差异显著。

In general, earlier sowing produces more diseased plants than later sowings.

在所测定的11种植物中，小米红叶病病毒能在黍草Panicum virgatum L。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。