Journal of Northwest Sci-Tech University of Agriculture and Forestry 2003 Issue 2 Application of chlorophyll meter SPAD-502 in diagnosis of nitrogen status and nitrogenous fertilizer in rice

Application of chlorophyll meter SPAD-502 in diagnosis of nitrogen status and nitrogenous fertilizer in rice
zhang jin heng ; wang zuo ; wang ren chao

..............page:177-180

Current situation and comment on effective stress of unsaturated soils and its mechanical characteristics research
xing yi chuan ; xie ding yi ; luo ya sheng

..............page:171-176

The studies of bovine superovulation
yang zuo feng ; gao zhi min ; zuo zhong ying

..............page:166-170

The study progress of induced commitment and differentiation of ES cells in vitro
song xiao ping ; zuo zhong ying

..............page:161-165

Method to get the roundness error in minimum zone
li min tong ; yang qing ; zhao you liang ; zhu jun ping

..............page:158-160

Benefits calculation and analysis of generating capacity increase of Longyangxia hydropower plant
liu jun ping ; huang qiang ; tian feng wei ; zuo chun sheng

..............page:153-157

Case stude of rare female pseudohermaphroditism
zhang su zhen ; shu qing

..............page:44-44

Test and study of the strong core cement mill pile
cheng li qin

..............page:149-152

The research on realizing non-circular spraying district of sprinkler
meng qin zuo ; wang jian ; cai jiang bi

..............page:145-148

Study on the seismic response of Tangyuhe aqueduct steeve-arch supporting structure
jing tian hu ; wan bin ; feng jia tao ; huang yan jun

..............page:141-144

Study on the effects of process conditions on water-tolerance of one-time compound dinner-plate with cornstalk
ding wu ; yang zhong ping

..............page:137-140

The study of deposit in flower drinks
luo an wei ; liu lin wei ; xu huai de ; jiang li

..............page:133-136

Research on technology of fluidization of turtle hydrolyzed by enzyme and health beverage
duan xu chang ; xu huai de ; li zhi cheng ; yang gong ming

..............page:128-132

Study on the oscillating reaction using Dictamnus dasycarpus Turcz as organic substrate and Mn2+ as catalyst
yuan chun lan ; li zong xiao

..............page:125-127

Study on micro-structure characteristics of cold type wheat
miao fang ; zhang zuo wu ; zhou chun ju ; feng bai li ; feng zhi guo ; kang jian

..............page:121-124

Effect of CaCl2 and GA3 on senescence and membrance lipid peroxidation of postharvest jujube fruits
zhao zuo ; zhang ji zuo ; wang min

..............page:118-120,124

Studies on the male sterile material S29 in watermelon
zhang xian ; wang ming ; zhang jin sheng ; yang jian qiang

..............page:115-117

Cloning of partial cDNA of human bone morphogenetic protein 3 (hBMP-3) gene by RT-PCR
zhang yong ; dai bo ; liu jian zhong ; zheng yue mao

..............page:1-5

Effects of plastic film mulching and nitrogen fertilization on spring wheat growth progress and dry matter accumulation
guo da yong ; huang si guang ; wang jun ; ling li ; li feng min ; li shi qing

..............page:75-80

Histopathological and ultrastructural studies on interactions between wheat leaf rust and wheat cultivars Lovrin 10 and Jimai 3 as well as their corresponding resistance genes Lr26 and Lr3Bg
huang guo hong ; wang yao ; kang zhen sheng ; wei guo rong ; zhu zhi ; li zhen zuo

..............page:45-54

Identification of virus on tillered-onion virus disease in Heilongjiang Province
xu qi jiang ; ding guo hua ; chen dian

..............page:55-58

Studies on the occurrence of black-dot disease of bagged apple
tang zhou huai ; chen chuan ; hui wei ; shi xiao hong ; zuo you guang

..............page:59-61

A study on biological feature of Dastarcus longulus
lei qiong ; li meng lou ; yang zhong qi

..............page:62-66

Observation of the pathological change of Mythimna separta Walker treated by terpinen-4-ol under scanning-electron microscope
chen gen qiang ; li guang ze ; feng jun tao ; chen an liang ; zhang xing

..............page:67-70

Studies on iron deficiency happenning pattern in pear and its correcting techniques
zhang chao hong ; wang yue jin ; li zuo

..............page:71-74

On Archimedean mathematical thought
wang nai xin ; wu yang hui

..............page:181-184

zhong guo du zhong ci sheng dai xie wu yan jiu qu de zhong da cheng guo

..............page:74

"jia yu sheng wu jia gong ji shu ji qi zai yin pin zhong de ying yong yan jiu " tong guo jian ding

..............page:132

xi bei nong lin ke ji da xue 2001 nian du ke ji lun wen shu zai quan guo nong ye gao deng xue xiao zhong ming lie di yi

..............page:157

xi bei nong lin ke ji da xue 2001 nian du ke ji lun wen bei yin pin ci ji jin lun wen shu he ke ji lun wen zong shu zai quan guo gao xiao qian 50 ming pai xing biao zhong ming lie di 27,35,37 ming

..............page:160

Studies on artificial insemination in guinea fowl
zhu hong qiang ; wu jing gui ; ren zhan jun

..............page:41-43

Effects of dietary contents of trace elements on the performance and nutrient apparent metabolic engergy of laying hens
yao jun hu ; zhang xin yang ; zhang tao ; zhang nong tian ; zhang jin xuan

..............page:36-40

Study on affinity relation among main Chinese ass breeds
gao xue ; shi ming yan ; hou wen tong ; zhang ying han

..............page:33-35,40

Principal component analysis of body measurement and weight of Qinchuan cow at different age phases
zhang ai ling ; zhang li juan ; geng she min ; chen hong ; zhang ying han ; yang gong she ; lei chu chao ; sun wei bin ; wang xing ping ; zhang bao jun

..............page:29-32

A toxicity experiment of general alkaloid of Thermopsis lanceolate on mice
zhu zhong zuo ; zhao bao yu ; he sheng hu ; zhou yun feng ; cao guang rong

..............page:25-28

Chemical constituents of volatile oil from Cynanchum komanovii
zhao bao yu ; deng shan dan ; ha si ba tu ; liang jie li ; da neng tai ; dong qiang ; jiang ming zhi ; cao guang rong

..............page:22-24

Ultramicroscopic observation of hepatic structure of goat's embryo
pu peng ; zheng yue mao ; qing su zhu ; xu yong ping ; zhang yong

..............page:19-21,24

Histogenesis and development of spinal cord in prenatal goat
zhang yong ; xu yong ping ; zheng yue mao ; qing su zhu ; zhao hui ying ; cao gui fang

..............page:13-18

Construction of highly expressed eukaryotic plasmid containing NDV F gene
deng ming jun ; zhang yan ming ; liang rong ; duan ming xing

..............page:9-12

Influence of different means of embryo transfer and media on the production of transgenic mice
shi hong cai ; ma yi la ; huang jun cheng ; liu ming jun ; li jian hua ; guo zhi qin

..............page:6-8

In-planta agrobacterium mediated transformation with vacuum infiltration in pakchoi
song zheng xu ; gong zhen hui

..............page:112-114

Study on effects of N.P.K. fertilizer on weeds growing
zhang xue you ; jin li hua ; chen bai sen ; han juan ; mao yu xiang

..............page:109-111

Comparison research on water transportation of non-drought and drought-stressed tomato root systems
wang sheng yi ; deng xi ping ; xue zuo ; xue si lin

..............page:105-108

Screening of flocculant-producing microorganisms and studying on the effective factors
wang zheng lin ; feng gui ying ; yue xiao qin ; dan li wei ; wang yue hong ; liu xiao rong

..............page:99-104

Chemical features of the irrigation water sources in paddy planting areas and its correlation with paddy yield in Jilin Province
song jin xi ; xu wen liang ; wang dong yan

..............page:95-98

Fractal characteristics of particle-size distribution for four kinds of soil samples in Shaanxi
liu yun peng ; wang guo dong ; zhang she qi ; dang ya ai

..............page:92-94

Soil ion diffusion coefficients
wang yu ; zhang yi ping

..............page:89-91

Kinetic characteristics and concerned factors of N2O emission in the orthic anthrosoils
bai hong ying ; geng zeng chao ; zhang yi ping

..............page:84-88

Influence of ecological-environmental conditions on soil phosphatase
he wen xiang ; jiang xin ; yu gui fen ; lang yin hai

..............page:81-83,88