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Uses method which the field investigation sample and the indoor analysis unify, 2007-2008 years live the unicast awnless brome lawn and the awnless brome and the alfalfa interlacing in the Inner Mongolian nationality university agriculture school test farm take 2 years mix broadcast the lawn and the colleague mix broadcast the lawn as the objects of study, have studied under the different sowing seeds way the forage grass to the soil physics and chemistry nature influence, finally indicated:the change tendency which under the different sowing seeds way increases the soil bulk specific gravity overall along with the soil layer depth to present after reduces first increases, is the 10-20cm soil layer is lowest; Looking from the 0-40cm soil layer's mean value, the unicast awnless brome lawn soil bulk specific gravity is smallest, the colleague mixes broadcasts the lawn soil bulk specific gravity to be biggest.

科尔沁草原是典型的农牧交错地区，长期以来，由于不合理利用草地资源造成该区生态环境严重恶化，农牧业生产受到严重影响[1]。建立高产优质的人工草地是解决我国高寒地区草畜供求季节不平衡的矛盾，促进草地畜牧业持续发展的关键措施之一[ 2]。无芒雀麦和紫花苜蓿都是营养价值高、适口性好、抗寒抗旱能力强的多年生牧草。将这两种牧草混播不仅能提高牧草产量和品质，延长草地使用年限，还能改善牧草的营养，提高牧草的适口性，有利于调制和青贮[3]。

The results showed that more effective measures are the blading pierced seeds and sulfuric acid soaking seeds 50min.

结果表明：刀片破皮和98%浓硫酸浸种50min效果较好，处理后种子发芽率分别达到98.0%和98.7%。

As of Thursday, thousands of neatly stacked and labeled gray boxes of seeds — peas from Nigeria, corn from Mexico — reside in this glazed cavelike structure, forming a sort of backup hard drive, in case natural disasters or human errors erase the seeds from the outside world.

截至周四，成千上万个堆放整齐且贴有标签的灰色种盒在上釉的洞穴式结构中安家落户，如尼日利亚的豌豆、墨西哥的玉米。这些盒子就如已经备份了的电脑硬盘，以防世界上的植物物种会因自然灾害和人为破坏而消失。

As of Thursday, thousands of neatly stacked and labeled gray boxes of seeds — peas from Nigeria, corn from Mexico — reside in this glazed cavelike structure, forming a sort of backup hard drive, in case natural disasters or human errors erase the seeds from the outside world.

截至周四，成千上万个堆放整齐且贴有标签的灰色种盒在上釉的洞穴式结构中安家落户，其中有尼日利亚的豌豆、墨西哥的玉米。这些盒子就如已经备份了的电脑硬盘，以防世界上的植物物种会因自然灾害和人为破坏而消失。

RESULTS: The preliminary confirmation is that the seeds of Cuscuta japonica which were parasitizing on the Coriaria sinica and the seeds of Coriaria sinica contain the same toxic components.

结果：初步证实了寄生在马桑上的大菟丝子含有与马桑子相同的毒性成分。

The total seed storage in topsoil (0-10 cm) was 83499-109141 indm^(-2) for natural wetlands and 9140-47452 indm^(-2) for reclaimed paddy fields. In natural wetlands, the seeds were of 16-30 grass plant species, being dominant with Polygonaceae and Cyperaceae or Cyperaceae and Gramineae; while in reclaimed paddy fields, the seeds were of 7-16 grass plant species, with the dominant of Gramineae. The seed storage and species numbers were greater in Shengjin Lake than in Shibasuo Lake. Higher seed bank storage and more species were observed in the paddy fields from Shibasuo wetland with 30 years of cultivation than from the Shengjin Lake wetland with over 50 years of cultivation.

结果表明：天然湿地种子库密度为83499~109141粒m^(-2)，而开垦为稻田30~50年后种子库密度为9140~47452粒m^(-2)；天然湿地的土壤种子库物种数为16~30种，以蓼科－莎草科或莎草科－蓼科为优势种，开垦为稻田后物种数下降为7~16种，且趋向于以禾本科为单一优势种；此外，与十八索湿地相比，升金湖湿地有较高的土壤种子库物种数、丰富度和多样性，而开垦年限为30年的十八索稻田土壤种子库物种数和丰富度显著高于开垦年限为50年的升金湖稻田。

Seeds of Fargesia denudate were treated to accelerated aging and the following indices were measured: seed vigor, T-AOC, activities of anti-oxidative enzymes, contents of MDA, and conductivity, and these indices were also measured on the seeds that differ in size.

为了解缺苞箭竹种子的老化机理和不同大小种子间的差异，对其进行了人工老化处理和大、中、小三组种子的区分，并分别对种子活力，总抗氧化能力，酶活性，丙二醛含量和电导率进行测定。

And Echinochloa crusgalli L. were studied. Both of the aqueous extract from aerial part and root of T. repens inhibited the germination rate of weed seeds, root activity and respiratory rate, and the activities of superoxide dismutase peroxidase and catalase of germinating seeds; enhanced the activity of peroxidase and the content of malondialdehyde.

结果表明，白三叶草地上部分水浸液和根部水浸液显著抑制苘麻和稗草种子的发芽率，降低了杂草种子萌发过程中超氧化物歧化酶，过氧化氢酶的活性，抑制了杂草种子萌发过程中的呼吸速率，根系活力，明显提高了杂草种子过氧化物酶活性和丙二醛的含量。

And Echinochloa crusgalli L. were studied. The result showed that both of the aqueous extract from aerial part and root of T. repens inhibited the germination rate of weed seeds, root activity and respiratory rate , the activities of superoxide dismutase peroxidase and catalase of germinating seeds, enhanced the activity of peroxidase and the content of malondialdehyde.

结果表明，白三叶草地上部分水浸液和根系分泌物显著抑制苘麻和稗草种子的发芽率，降低了杂草种子萌发过程中超氧化物歧化酶、过氧化氢酶的活性，抑制了杂草种子根系活力，显著提高了杂草种子过氧化物酶活性和丙二醛的含量。

Many endospermic seeds (e.g. cereals and oil seeds) are cultivated for their food reserves.

许多有胚乳种子是由于其营养物质而专门栽植的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。