Larvae survived and grew very well on foliage of Catharanthus roseus L.; but all larvae died when fed foliage of Allamanda cathartica L.; Chemical analysis also revealed that foliar nitrogen content differed significantly among plant species.

化學分析也發(fā)現(xiàn)植物化學物質的含量在這三種植物之間相差很顯著丁香六月深爱网婷婷五月，尤其是含氮量韩av.com，在三種樹葉上的含量都不一樣。

Once the foliage has yellowed, dig and separate the bulbs. Brush off the soil and cut the foliage to approximately six inches above the bulb.

一旦葉子已經(jīng)枯黃国内精品黄色视频，把球莖挖出來并且分離開欧美日韩色图，把泥土刷掉并且在離根莖大約6英寸的地方把葉子剪掉。

The first step is to be certain that the foliage is left on the plant, even if the foliage looks poor, until the foliage has yellowed and pulls off easily.

第一步是可以肯定的是葉子上留下的廠房AA成年人网站，即使葉子看起來不佳，直到葉子已經(jīng)泛黃日本AA视频，并拉著一觸即發(fā)色九九在线视频精品9999。

Photo of the Day: Fall Foliage Seemingly lit from within, autumn foliage blazes with color in the late-afternoon sun.

意譯：秋天的落葉每日一圖。表面照亮來自內部91麻豆精品福利在线观看，秋季的樹葉輝耀以彩色是在夕陽時刻亚洲一级网站。

A useful concept,Foliage Projective Cover that means the percentage of the land covered by foliage,was introduced,it had some ecological significances and was suitable for describing horizontal character of plant community.

本文引入植物群落葉片投影蓋度的概念，其含義是植物群落葉片覆蓋地表的百分率国产免费av网站网址，它具有生態(tài)意義明確国产操逼视频免费、適于描述植物群落水平結構的特點。

The systematic history of this genus was reviewed worldwidely based on the classical taxonomy,comparative anatomy of the rhizomes and foliage leaves.micromorphology of the foliage leaves,embryology,phytotaxonomy,as well as the informationabout molecular systematics in recent years.

本文從經(jīng)典的形態(tài)分類中文字幕十二页、葉片表皮微形態(tài)特征深夜在线观看免费、胚胎學研究資料、地下莖比較解剖構造午夜性爱av在线、化學分類證據(jù)以及最新的分子系統(tǒng)學研究成果等多方面全面地回顧了世界剛竹屬系統(tǒng)分類研究的歷史变态另类专区av无码。

The result pointed out that the vertical distribution of foliage for each species was different,however,generally speaking,the foliage in upper crown (0.3CL) for broad-leaved species in natural secondary forest took a small percentage,about 10%;in middle or middle lower of the crown(0.4CL to 0.8CL) the branches here took the majority percentage of whole foliage,almost 60%to 75%;but in lower crown(0.8CL),there was about 10%of whole foliage.(5)The interspecies competition of trees in secondary forest was expressed by Hegyi competitioin index,and the active competitor was calculated by the competition zone radius and the tree position,DBH,and distance in the zone,it was not all competitors in tranditional calculation.The study introduced crown area overlap index to describe the crown competition between subject tree and its competitors,furthermore,the crown area was classified into 5 levels with a method of equal crown projection area,therefor,the resulting crown area overlap index showed more realities of existing stand conditons.(6)Based on the theoretics of multiply divide,the spatial strcture optimizing model of secondary forest stand selective thinning was developed by diversity mingling,aggregation index,competition index and crown area overlap index,also designed 10 constraint conditions which were related to forestry meanings,the objective function was solved by the implicit enumeration method with LINGO 9.0,using 0-1 integer programming.

并且得出，每個樹種在樹冠內相對高度上的葉量的垂直分布是不同的在线观看AA，天然次生林闊葉樹種的葉量在樹冠的上部(0.3CL以下)所占比例很小欧美黄色网站的网址，約占10%左右；在樹冠的中部以及中下部(0.4CL～0.8CL)色7788，葉量所占比例最大又黄又硬又爽的网站，幾乎集中了整個樹冠60%～75%的葉量；而在樹冠的下部(0.8CL以下)少妇人妻综合久久中文，幾乎占很少的葉量xxⅹ,com，大約10%左右。5欧美性爱一级视频C、采用Hegyi競爭指數(shù)來表現(xiàn)次生林內林木的競爭關系男人添女人高潮免费视频网站，并且根據(jù)競爭圈的大小和林木在競爭圈內的分布位置、大小與距離來計算有效的競爭木一级A片女人高叫高潮免费下载，并不是傳統(tǒng)意義上的全部競爭木欧美黄色老女人；本研究提出用樹冠疊加指數(shù)來表示林木與周圍樹木的樹冠競爭情況国产另类视频一区二区三区，并采用等樹冠投影面積法把樹冠分為5級，這樣計算的樹冠疊加指數(shù)更加與現(xiàn)實林分相符久久99精品九九九久久。6特级A区、本研究基于乘除法的思想，用多樣性混交度国产AAAAAAAaA极黄片、聚集指數(shù)黄视频在线一区、競爭指數(shù)和樹冠疊加指數(shù)構建了天然次生林擇伐空間優(yōu)化模型，設計了10個與林學意義相一致的約束條件欧美一级a免费高清视频在线观看，并采用0-1整數(shù)規(guī)劃的思路91性爱自拍，在LINGO9.0軟件中使用了隱枚舉法對目標函數(shù)求得最優(yōu)解。7五月丁香婷婷综合网站、以M702標準地為應用實例激情无码一区二区，具體計算出了每株采伐木，經(jīng)過擇伐后国内揄拍国内,精品人妻，目標函數(shù)值按模型設計的要求發(fā)生了極大的改變丝袜小黄片，增加了5倍多，說明了最后這個解的優(yōu)良性重口味人人操人人摸，滿足了設計的要求一级免费视频网站在线观看视频。

If I wished to make the tree more restful and balanced, I could reduce the foliage mass on the left and increase the foliage mass on the right.

如果想使樹樁顯得更悠閑和平衡，那么可以減少樹枝在左面的分布wwwavv，而增加右側枝葉的分布亚洲精品福利在线。

Horses feed primarily on foliage and grass; consequently, their manure aids leaf and foliage development.

馬主要以樹葉和草為食，因此亚洲a级黄片免费观看，馬糞有助于樹葉和草葉的生長精品国产经典三级在线看。

The paper study relation of tree pattern and BRDF of the foliage canopy through the mechanism of multiple-angle remote scening,the uniform index was used to continuously describe forest pattern and find the relation of them.Based on the relation,the error that is from the old GO model which only suppose foliage colony be random distribution was corrected.

為充分發(fā)揮多角度遙感技術在森林資源監(jiān)測過程中的作用，首先需要認識遙感信號產(chǎn)生的機理91精品固产在线自产拍，了解植被冠層輻射傳輸?shù)倪^程午夜福利综合网站，建立合適的數(shù)學模型進行定量描述，最終達到從遙感信號中提取植被信息的目的99黄视频。