To search the correlation between soil enzyme activities and soil fertility under fertilization conditions, the indexes of soil enzyme, soil chemical property and soil microbes in 3-years Azadirachta indica plantation were detected and analyzed in Yunnan Yuanmou Desert Ecosystem Located Research Station of State Forestry Administration.

Azadirachtin, the most potent insect antifeedant and growth-regulating agent, is extracted from the seed of the neem tree, azadirachta indica A. Juss.

印楝（Azadirachta Indica A.Juss）种仁中含有印楝素A（azadirachtin）等活性成分，对害虫具有显著的拒食作用和生长抑制作用。

Changes of JHE and MFO Activity in Body of Plutella xylostella under Neem Treating Extraction Azadirachtin from Neem ( Azadirachta indica) Seed Kernels and the Insecticide Effect Research

印楝素作用下小菜蛾体内MFO和JHE活力的变化印楝（Azadirachta indica）种仁中印楝素的提取及其杀虫活性研究

The index of fertilizing effect of these treatments reached 2.86~ 14.17. The growth of height, and basal diameter of Azadirachta indica young plantation were sensitive to P and N.

施肥处理的肥效指数达到286～1417，树高、胸径生长对P、N肥反应敏感；

The water physiological characteristics and the mechanism of drought resistance of the 4 provenances of Azadirachta indica introduced from India were studied by analysing the growth and water physiological indices of these trees.

通过对印度引种的4个种源印楝的生长和水分生理指标进行测定分析，比较分析它们的水分生理特性及其抗旱机制。

In dry-hot river valley, adaptive shade was benefit for photosynthesis capacity and efficiency of Azadirachta indica A.Juss, excessive press could restrict its formal physiological reaction.

在干热河谷区适度的遮阴有利于印楝光合能力及光合效率的提高，而过度的被压则不利于或会限制印楝正常的生理活动。

Azadirachtin was found in the bark of introduced neem tree ( Azadirachta indica A. Juss) grown in China by TLC examination.

用TLC法测知引入中国种植的印楝树皮中含有印楝素；

Study on the Extraction, Purification and Pesticide Formulation of Azadirachtin A; Extraction Technique and Content Determination of Total Flavonoids From the Leaves of Azadirachta indica

印楝叶总黄酮的提取工艺研究及含量测定

Microwave Extraction of Azadirachtin from Neem Seeds Seedling raising and forestation techniques of Azadirachta with provenance Y.

印楝种仁中印楝素微波萃取方法研究对印楝Y。

Studies on the Secondary Metabolites of Endophytic Fungus Epicoccum sp. Isolated from Azadirachta indica

一株印楝植物内生真菌Epicoccum sp.次生代谢产物的研究

Growth adaptability study of Azadirachta indica at different elevations of the dry hot valley of yuanmou county of Jinsha River basin

元谋县金沙江干热河谷不同海拔印楝适应性研究

Investigation of Fruit Maturity Stage of Azadirachta indica Juss. and the Change of Fruit Azadirachtin Content at Different Harvest Time

印楝果实成熟期调查及不同采收期印楝素含量的变化

Tissue Culture of Azadirachta indica

印楝的组织培养

Extraction of azadirachtin from the kernel of Azadirachta indica with the smash-and-stir method under normal temperature

室温粉碎搅拌法从印楝种仁中萃取印楝素的研究

The cytotoxicities of some compounds obtained from Azadirachta indica were evaluated.

并对从印楝中得到的部分化合物进行了生物活性的研究。

Chemical Composition of Azadirachta indica and Its Bioactivity

印楝的化学成分及其生物活性

Fertility of the soil was indicated as more critical than moisture supply for growth of Azadirachta indica.

土壤肥力对印楝的生长比水分的供应更重要；

Callus Induction and Plantlet Regeneration of Stem Segments of Azadirachta indica

印楝茎段愈伤组织诱导及其植株再生

Study on Sapling Breeding by Cutting and Afforestation of Azadirachta indica

印楝扦插育苗及造林观察

Establishment of Regeneration System for High Frequency Plantlet of Azadirachta indica A. Juss

印楝（Azadirachta Indica A.）高频植株再生系统的建立

Development of Technological Equipments Extracting Azadirachta indica Seeds

印楝种籽初制工艺技术装备的研制