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越冬

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In the last few years, very many users tried to find out one high new science and technology series conveyance system, its working instruction is around the startled pad, the entire garden carries on the deep plowing (about depth 10-15 centimeter), the cutworm, the grasshopper cicada, the snail which survives the winter in the earth and so on rise the ground, in order to kills partially survives the winter the underground harmful insect.

近几年来,很多用户摸索出一种高新科学技术连环配套工程,其操作规程是在惊垫前后,全园进行深翻(深度10-15厘米左右),将在土中越冬的地老虎,蚱蝉,蜗牛等翻上地面,以便杀死部分越冬地下害虫。

We divided habitats of the study site into five types-deep water area, shallow water area, mudflat, grassland and farmland.

农田生境为赤麻鸭在越冬中期时所喜好,但在越冬前期和末期时则避免利用该类生境。

Make clear through observation and research, big procuress keeps 91 D in shack of introduced from the northern and western nationalities or from abroad home, the bird divides female, hero to be planted for two during live through the winter of; of the migrant that it is a winter food of group of; live through the winter are main it is plant seed, special happy event feeds debris of gram, soya bean, corn, insect to wait.

通过观察和探究表明,大鸨在胡家窝棚停留91 d,为冬候鸟;越冬期间雌、雄鸟分为两个种群;越冬食物主要是植物种子,非凡喜食绿豆、黄豆、玉米、昆虫的残骸等。

The age structure of striped stem borer, Chilo suppressalis, overwintering in different type of rice fields and wild rice fields was investigated, and post winter feeding and pupation dynamics were compared among larvae in different instars.

调查了不同类型稻田及茭白田中二化螟的越冬年龄结构,比较了不同龄期幼虫之间在冬后取食与化蛹动态方面的差异。结果表明,越冬虫龄以双季晚稻田中明显较低,中稻田与茭白田中相对较高。

The volunteer wheat is also responsible forcarrying the leaf rust over summer for the winter wheat infection.

因此旅大区有时虽然有秆锈菌的越冬,但不可能是小麦秆锈越冬的主要场所。4。

The lake is not only a wintering ground for the species with bimodal and unimodal distribution patterns, but also a stopover site for part of their migrating population that wintering at more southern ground.

仅仅利用拉市海作为其南北迁移途中一个驿站的那部分种群在离开越冬地返回繁殖地时途径拉市海的持续迁徙时间小于其前往越冬地时途径拉市海的持续时间。

Additionally the spatial pattern of wheat stripe rust at large scale was analyzed using the same methods.

明确了我国适合小麦条锈病菌越夏、越冬的范围,为制定越夏区治理方案提供依据,也有利于指导对条锈菌越夏、越冬情况的进一步调查。

The reproductive development process of birch was described as follows: Male inflorescences extended from apical bud in early June. In later June, stamen primodium was differentiated in the bract of male inflorescence and the differentiation of bract was generated in female inflorescence. During July, anther layers and archesporial cell were differentiated in anther, then archesporial cell developed into mother microspore cell. Pistil primodium came into being at the same time. In early part of August the meiosis of mother microspore cell started. In later August, mono-nucleus microspore was formed. After September, both male inflorescence and female inflorescence were dormant.

白桦的生殖生长发育过程如下:6月初,雄花序从顶芽中生长出来。6月中下旬,雄花序苞片上分化出雄蕊原基,雌花序分化出苞片。7月,雄花花药分化出花药壁和孢原细胞,孢原细胞演化为小孢子母细胞,雌花序苞腋处分化出雌蕊原基;8月中上旬,小孢子母细胞减数分裂,8月下旬形成单核小孢子;9月后雄花序以单核小孢子状念越冬,雌花序以雌蕊原基状念越冬

The cultivate techniques for Jinyou No.35 in Guantao county, Hebei province were summarized, the technique measures for high yield and high benefit cucumber cultivation in solar greenhouse, which consisted of variety selection, using of straw reactor, enhancing intertill management, delaying film covering on earth, temperature management and so on were definited for guide of the techniques, this demonstrate site produced cucumber yielding 477 000 kg/hm^2, gained benefit 907 125 yuan/hm^2, that is the new record of the county.

通过对河北省馆陶县寿山镇陈范庄村陈发恩、李保军、阎恩亮等6户菜农进行的津优35号黄瓜越冬长周期示范栽培进行总结分析,确立了温室黄瓜长周期高产高效栽培技术措施,包括良种选择,采用秸秆生物反应堆技术,营造良好的土壤团粒结构,适期早播,加强中耕管理,延迟扣地膜时期,植株调整、温度管理等。2008-2009年度,该示范点最高产量达到47.7万kg/hm^2,产值高达907125元/hm^2,创造了该县设施黄瓜越冬生产产量与产值的新记录。

It is proved by the experiment that L. sativae can not naturally overwinter in the regions above 35.N.

通过试验证明,美洲斑潜蝇在 35°N以北的地区不能自然越冬,蔬菜储藏室是其越冬的主要场所。

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