1) white elm clones
白榆无性系
1.
Twenty white elm clones at ten years age were studied on the content of N, P, K in their leaves by the Kjeldahl s method of nitrogen fixation, molybdenum blue spectrophoometry and flame spectrometry respectively.
该文以 2 0个 1 0年生白榆无性系为材料 ,采用凯氏常量定氮法、钼蓝比色法和火焰光度法分别测定了叶片N、P、K的含量 ,并对叶片N、P、K含量的遗传变异规律及其与材积生长之间的相关性进行了研究分析 。
2) white poplar clone
白杨无性系
1.
Ion distribution and comparison in seedlings of white poplar clones under salt stress;
盐胁迫下白杨无性系苗木体内离子分配及比较
3) Pennisetum centrasiaticum
白草无性系
1.
Ecological adaptability of Pennisetum centrasiaticum clones on farmland-sand dune ecotone of Keerqin sandy land.;
科尔沁沙地农田-沙丘交错区白草无性系的生态适应性分析
4) Ulmus pumila
白榆
1.
Response to Light of Ulmus pumila in Different Soil Moisture;
不同土壤水分条件下白榆的光响应研究
2.
Study on the Root Distribution Characteristic and Root Biomass of Ulmus pumila in Yanerwo Scenery Site of Urumqi;
燕尔窝古白榆根系分布特征
3.
Effect of Paclobutrazol on Drought_Resistance of Populus alba × Populus berolinensis, Ulmus pumila, and Betula platyphylla;
多效唑对银中杨、白榆和白桦抗旱性的影响
5) Ulmus pumila L
白榆
1.
Genetic relationship between parents and hybrid progenies of Populus alba L. ×Ulmus pumila L. using AFLP marker.;
利用AFLP标记研究银白杨×白榆的亲子关系
2.
From practice of cultivating and pruning of Ulmus pumila L.
白榆(UlmuspumilaL。
3.
A study was conducted, using some physiological parameters related to water relations of plants such as water potential, soluble protein, net photosynthetic rate, stomatal conductance, and so on, to determine the responses of three tree species Populus alba x Populus breolinensis, Ulmus pumila L.
为探讨外源物质对苗木抗旱性的调节机制,采用盆栽试验和室内测定相结合的方法,用不同浓度的多效唑、黄腐酸、脱落酸对银中杨(Populus alba×Populusberolinensis)、白榆(Ulmus pumila L。
6) American eim
美国榆,白榆
补充资料:白榆
1.白皮的榆树。 2.指白榆树的皮。 3.指星。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条