By limiting the horizontal distribution extent of plant root systems, the limited-areas methods can decrease spatial heterogeneity of soil water content and improve the accuracy of determination of soil water content.

植物在極端干旱條件下的生存能力表現(xiàn)為葉片枯黃你懂的在线观看视频网站、萎蔫播播影院私人影院性播影院、脫落和枝條從上到下逐漸干枯，但枝條基部和根系仍然存活AV免费网站天堂网，并保持較長時(shí)間的存活能力日韩三级片av，在遇到適宜的降水后能繼續(xù)萌發(fā)、生長美女作爱视频免费看。

Inflorescence glabrous or matted ferruginous villous and shortly whitish tomentose (whitish hairs mostly on pedicels); peduncle 2.5-5 cm; thyrse conic or cylindric-conic, 10-30 cm, 6-10 cm wide at base; branches 2.5-5 cm, 4-12-flowered; pedicels 3-6 mm.

花序無毛或簇生具鐵銹色長柔毛和短帶白色被絨毛的(帶白色毛多數(shù)在花梗上的)一级AA免费毛片高潮软件；花序梗2.5-5厘米com碰；聚傘圓錐花序圓錐或者圓筒狀圓錐形，10-30厘米欧美欧美欧美性爱网，6-10厘米寬的在基部一级日本特黄牲交大片在线；分枝2.5-5厘米，4-12花色色五月天导航；花梗3-6毫米亚洲自拍偷拍图。

Filament base and adjacent corolla tube not papillate or glandular, rarely papillate on decurrent part of filament.

花絲基部和臨近的花冠筒并非在下延花絲深裂上具腺，很少具乳突的具乳突的或99riav77。

Corolla tube without scales or appendages, corona inserted at base of gynostegium or on anthers; plants growing in relatively dry situations.

在花藥上的花冠筒沒有鱗片或附屬物免费黄色视频地址，副花冠合蕊冠或的著生的在基部；植株在相對(duì)干燥形勢里增長www.综合色.com。

Maple Leaf is characterized by: Maple Leaf for five lobed palmate, long 13 cm wide, slightly larger than a long three largest lobes with a small number of prominent teeth, heart-shaped base for the above for the green to dark green, the following axillary vein have hair fall into the yellow to orange or red.

楓葉的特點(diǎn)是：楓葉為掌狀5淺裂www.亚洲网，長13厘米，寬略大于長香蕉视频95，3片最大的裂片具少數(shù)突出的齒一本大道无码av一二三区，基部為心形，上面為中綠至暗綠色大色妞基地在线视频观看，下面脈腋上有毛黄色大片二区，秋季變?yōu)辄S色至橙色或紅色。

On pod level, seed aborted in turn with seed-set being much higher in even-numbered ovule positions, which correspond to the upper valve of the pod if the fruit is viewed from the peduncular end, than in odd-numbered positions in alfalfa pod.

在莢果水平上丁香五月激情综合在线，苜蓿莢果內(nèi)種子在形成過程中表現(xiàn)出明顯交替敗育的趨勢Www.生活片，其中從果實(shí)基部算起偶數(shù)位置的胚珠形成種子的機(jī)會(huì)更大。

Plants with 1(or 2) lines of hairs on stems or basal margin of leaves and nodes, not pilose or stellate hairy.

植株具1(或2)線狀毛在莖或葉和節(jié)的基部邊緣上的国产精品国产一级国产专不，并非具柔毛的或星狀毛人人插人人肏。

Filaments connate into a short tube; anthers erect, apex membranous and inflexed on base of stigma head; pollinia 2 per pollinarium, erect, ovoid, apex with a small translucent beak.

花絲合生成一短管；花藥直立5060一级欧美午夜，先端膜質(zhì)和在柱頭頭狀花序的基部上內(nèi)折黄色网站毛篇；花粉塊2 每pollinarium，直立精品国产免费看，卵圓形秋霞理论理论视频免费看，先端具一個(gè)小的半透明的喙。

Plants annual. Petiole 5-10 cm; leaf blade palmately (3 or)5-9-lobed, sometimes simple, 7-10 × 7-10 cm, papery, abaxially with rigid spinulose hairs on veins, adaxially pubescent but not densely so, base cordate; lobes ovate-triangular, margin serrate.

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Stems 18-100(-160) cm tall, well-branched above, densely gray villous on lower part, mixed above with short glandular hairs, often with raised lines decurrent from margins of petioles. Leaves subsessile or lower ones with petioles 1-3 mm; cauline blade lanceolate-elliptic to narrowly lanceolate or oblong-lanceolate, 3-12 × 0.5-2.5 cm, both surfaces villous, base usually rounded, margin denticulate with 15-60 teeth per side, apex subacute.

莖18-100(-160)厘米高一级av在线播放网站，在上面的多分枝一级黄色片免费偷拍视频，葉近無柄或下部的具葉柄1-3毫米；莖生葉披針形橢圓的到狹披針形或者長圓狀披針形中日韩精品美女在线观看视频网站， 3-12 * 0.5-2.5 兩面日本wwws，厘米具長柔毛，基部通常圓形亚洲色图12，邊緣具小齒具齒每邊91国内，近尖的先端。