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awnless相关的网络例句

查询词典 awnless

与 awnless 相关的网络例句 [注:此内容来源于网络,仅供参考]

Flower subtended by 1 bract; free part of filaments less than 1 mm.

小穗awnless;基部的柄1-2毫米;叶片1.5-2.5厘米宽阔的部分。

The presence or absence of awns is useful for identification, but awned species may have awnless variants, and vice versa, and the position of the awn on the lemma back can also be rather variable.

存在或缺乏芒对鉴定有用

On the basis of clean cultivated Pasture of Perennial Lucerne and mixture pasture of perennial awnless brome and Lucerne, the effect of Pasture species and mixing method on Pasture drying rate was analyzed.

用多年生的紫花苜蓿单播草地牧草和多年生无芒雀麦与紫花苜蓿的混播草地牧草,研究牧草种类及调制方法对牧草干燥速度的影响。

Key word : Awnless brome; Alfalfa; Sowing seeds way; Soil physics and chemistry characteristic

国内外学者研究表明,紫花苜蓿和无芒雀麦是建立人工草地的理想组合[5-7]。

Lemmas of lower florets 3.5–5.4 mm, usually awnless; caryopsis 3.2–4.5 mm.

外稃低小花3.5-5.4毫米,通常;颖果3.2-4.5毫米 2 L。

Two RAPD molecular markers located on different arms of 2Ai-2 chromosome from Thinopyrum intermedium were selected and the generations of the hybrid generation derived from Zhong 4 Awnless and wheat were analyzed. Two chromosome translocation lines were screened for wheat breeding program to control BYDV.

本研究采用RAPD方法,对具2Ai-2端体和完整染色体异附加或异代换系进行分析,从随机引物中,选出两个分别位于2Ai-2染色体两臂上的分子标记,然后用这两个标记对中间偃麦草和普通小麦的杂交后代进行筛选,选出小麦抗黄矮病易位系新材料。

Leaves obscure, slightly scale-like, broadly angular, apex awnless.

叶遮蔽,稍微鳞片状,宽具角,先端。 3 A 。 aphylla 无叶假木贼

Pedicelled spikelet male or barren, somewhat narrower than sessile, awnless.

鳞被无毛。 Pedicelled小穗比无梗无意义,稍微狭窄的男或,。

A compare exerperiment on the contribution to N in potting soil from a field of grass and crop rotation among native alfalfa, wheatgrass, tall fescue, Siberian wildry, awnless brome and spring wheat was conducted in Xinjiang.

种植土壤所增加的氮中碱解氮所占比例,分别由种植前土壤的6.46%提高到6.81、7.58、8.00、8.33和8.37%。

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]。

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