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消长动态

消长动态

消长动态

消长动态

1

Study on the population dynamics of aphids and predatory natural enemies in Bupleurum chinese Dc.

柴胡苗期蚜虫及捕食性天敌种群消长动态。

2

Also, the dynamics of adult population in the fields was given.

同时揭示了田间成虫种群消长动态。

4

Population Dynamics and Distribution of Common Predacious Natural Enemies in Transgenic Bt Cotton Fields in Jiangsu Provincial Coastal Area

江苏沿海棉区常见捕食性天敌在 Bt 棉田的消长动态与分布

5

Identification of Pathogen of Bacterial Disease of Melon and Pathogens'Alternate Predomination Investigation in Field in XinJiang

新疆哈密瓜上两种病原细菌比较鉴定及其田间消长动态的研究

6

Population Dynamics of Aphids and Their Natural Enemies on Crucifer Vegetables in Shenzhen Suburbs

深圳菜区蔬菜蚜虫及其天敌的年消长动态初步调查

7

Dynamic changes and distribution of main predacious stink bug in insect resistant Bt transgenic cotton field

捕食性蝽类在转 Bt 基因抗虫棉田的消长动态与分布

8

Dynamic changes of ice nucleation active bacterial population inhabiting on corn in Northern China

冰核细菌在我国北方玉米上的消长动态规律

9

Fluctuation and protection of the natural enemies on wheat aphid in Tancheng county

郯城县麦蚜天敌消长动态及保护利用探讨

10

Historical Evolvement and Dynamic Swing of Forest Resources in Heilongjiang

黑龙江省森林资源的历史演变与消长动态

11

Growth and Decline Dynamic and Countermeasures of Forest Resources in Dinghai of Zhejiang

定海区森林资源消长动态及其对策

12

Population fluctuation of spiders in vegetable fields and toxicity of insecticides to them in South Zhejiang

浙南地区菜田蜘蛛自然种群消长动态及农药对其毒性

13

Dynamics of potassium and balance techniques in different types of soil in Jining City

济宁市不同土类钾素消长动态及平衡措施

14

Triploid seed development and changes of endogenous hormones in pummelo

柚三倍体种子败育过程观察及内源激素消长动态

15

Preliminary study on population dynamics of rodent pests in farm land in Anhui province

安徽省农区害鼠数量消长动态的初步研究

16

The population dynamics and spatial distribution pattern of Erythroneura sudra

桃一点斑叶蝉种群消长动态和空间分布型研究

17

Dynamic Change of Sclerotinia sclerotiorum Spore Amount on Spring Rapeseed in Field

春油菜菌核病田间空中孢子量消长动态

18

Epidemic dynamics of maize wallaby ear disease transmitted by Cicadulina bipunctella and assessment of maize damage

玉米鼠耳病及其媒介昆虫二点叶蝉消长动态和玉米受害损失测定

19

Analysis on Chlorophyll Content of Cotton Leaves

棉花叶片叶绿素含量消长动态的分析

20

Spider Growth and Distribution in Cotton Field

蜘蛛常见种在两类棉田的消长动态与分布

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