17. Effects of acidity on copper speciation in soil solution and relations of copper forms with ryegrass growth and copper uptake were studied.
研究了酸度对土壤溶液中铜形态的影响以及不同形态铜与黑麦草吸收及其生长的关系。
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18. Compared with sole Cu pollution, under Cu-pyrene combined pollution, there was no obvious difference in physiology and biochemistry of ryegrass.
铜-芘复合污染与铜单-污染相比,黑麦草生理生化性质并无明显差异。
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19. Seeing from the whole evaluation period, the average green degree of Kentucky bluegrass is higher than that of tall fescue and perennial ryegrass.
从整个评定时期看,草地早熟禾的平均绿度比高羊茅和多年生黑麦草高。
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20. Walnut tree is bigger, the planting density is low, such as alfalfa, ryegrass, dwarf crops, grass to care, to promote the production of fertilizer.
核桃树体较大,定植密度较低,如紫花苜蓿、黑麦草、矮秆农作物等,以草养地,以肥促产。
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21. A larger number of hair roots were grow on the main root under the stimulation of copper, which would promote the accumulation of copper by ryegrass.
铜会刺激黑麦草主根表面长出大量的发根,促进了黑麦草对铜的积累。
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22. The objective of this study was to evaluate effects of partial substitution of concentrate with ryegrass on reproductive performance in Changjia sows.
用青绿饲料黑麦草部分替代精料饲喂长嘉母猪,研究替代后对母猪繁殖性能的影响。
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23. Hepu Geese at age of 28d were randomly divided into 2 groups to study the effect of wedelia chinensis, ryegrass and Gui Mu No1 on performance, nutrients availability.
24. High concentrations of copper would reduce the biomass and chlorophyll contents of ryegrass, and increase the contents of free proline and malonyl dialdehyde in ryegrass.
高浓度的铜会降低黑麦草的生物量、叶绿素的含量,增加丙二醛和游离脯氨酸的量。
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25. The results are as follows: (1) in the experiment of the static ryegrass hydroponic cultivation, the ryegrass appeared a good adaptability to the turtle-breeding wastewater.
研究结果如下:(1)从静态水培黑麦草实验得出,黑麦草对养鳖废水处理有较好的适应性。
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26. The turnover of lamina tissue of perennial ryegrass was systematically studied through cutting experiment by the application of the theory and methods of the tissue turnover.
本研究应用组织转化的理论和方法,通过周割试验对多年生黑麦草叶片组织的转化进行较为深入的研究。
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27. When growing in mixture, ryegrass showed competitive advantages against clover, as dry weights of ryegrass from mixed cropping were relatively higher than those from single cropping.
两种植物混合种植情况下黑麦草显示了相对竞争优势,而菌根共生体能够提高三叶草的竞争能力。
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28. Pot experiments were performed to study the effect of amending organic matters and surfactants to phenanthrene-contaminated soil on phyto-remediation for soil phenanthrene with ryegrass.
采用盆栽试验方法,研究了外源有机物料及表面活性剂加入菲污染土壤后黑麦草对土壤中菲的修复作用。
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29. Pot experiments were performed to study the effect of amending organic matters and surfactants to phenanthrene-contaminated soil on phyto-remediation for soil phenanthrene with ryegrass.