Study on balance fertilization of rareripe taro
fan hao-ding~1; jiang li-na~2; fu jian-rong~2(1.shaoxing agricultural extensions station; shaoxing 312000; china; 2.soil and fertilization institute; zhejiang academy of agricultural sciences; hangzhou 310021; china)

..............page:34-37

Study of arsenic and mercury in fertilizer by hydride generation-atomic fluorescence spectrometry
sun you-ning(institute of agricultural resources and regional planning; chinese academy of agriculture sciences; beijing 100081)

..............page:44-47

dan fei dui you cai xiao suan yan ji lei de ying xiang
chen zhen de ; chen jian mei ; he jin ming ; cai kui ; wang pei sheng ; chen xue hui

..............page:66-67

Effect of grey relationship analysis on leaf fertilizer for hybrid cotton
song zhi-wei; zhang cui-cui; gao su-ling(henan agricultural vocational institute; henan zhongmu 451450)

..............page:31-33

Nitrate swift determination by applying nitrate electrode in vegetables
yao jian-wu; ai shao-ying; xie mei-fang; ke yu-shi; huang qing(soil and fertilizer research institute; guangdong academy of agricultural sciences; guangdong 510640)

..............page:48-49,61

Preliminary report on fertilizer accumulate effects experimentation of Ramie
xiong guo-xin; wang jian-ming; sun xue-bing; lu yi(yichun university; yichun 336000)

..............page:28-30

Analysis on the status of organic fertilizer and its development strategies in China
huang hong-xiang~1; li shu-tian~1; li xiang-lin~2; yao jie~3; cao wei-dong~4; wang min~5; liu rong-le~6(1.institute of agricultural resources and regional planning; caas; beijing; 100081; 2.institute of animal science; beijing 100094; 3.institute of crop science; caas; beijing 100081; 4.national centre for quality supervision and test of chemical fertilizers; beijing 100081; 5.institute of quality standard for agriculture and test technology; caas; beijing 100081; 6.department of international cooperation; caas; beijing 100081)

..............page:3-8

The growth influence factor of AM and the function of it for the plants
wang hong-xin~(1; 2); li fu-ping~1; guo qiao-zhen~1; guo shao-yi~1(1.hebei polytechnic university; tangshan; 063009; 2.department of resource and environment in chizhou normal school; aahui chizhou 247000)

..............page:52-56

Study on effect of the potassium provided by organic or chemical fertilizer for virus-free potato
zheng yuan-hong~1; hu hui~1; pan guo-yuan~2; liu wen-xian~3; mao guo-jun~4; lu jia-huan~5(1.soil and fertilizer station of bijie prefecture; guizhou 551700; 2.bijie agricultural bureau; 3.weining soil and fertilizer station; 4.dafang soil and fertilizer station; 5.jinsha soil and fertilizer station)

..............page:24-27,43

tan suan qing zuo quan ceng shen shi dui shui dao de zeng chan xiao guo
huang qing yu ; pu cai chao

..............page:60-61

Study the using agricultural ecology model of the coastal saline soil on the Yellow River Delta
zhang ling-yun (dongying vocational college; shandong dongying 257091)

..............page:38-43

Determination of nitric nitrogen in soil extracts by dual wavelength spectrophotometric method
tu chang-qing; wen xin-rong(department of chemistry; jiaying university; meizhou of guangdong 514015)

..............page:50-51,61

Utilization of hydrophilic polymer in the field of fertilizer research
yin hong-bin~(1; 2); shi yuan-liang~1(1.chinese academy of science institute of applied ecology; shenyang 110016; 2.graduate school of chinese academy of science; beijing 100039)

..............page:57-59

Effect of straw-return and nitrogen fertilizer application on the CO_2 emission in farmland
pan zhi-yong~1; wu wen-liang~1; mou zi-ping~2; wang xiao-feng~1(1.college of resources and environment; china agricultural university; beijing 100094; 2.department of environment science and engineering; university of science and technology of suzhou; suzhou; 215011)

..............page:14-16,65

Study on spatial variability of soil nutrients in a vegetable production area
he ai-ling~1; huang shao-wen~2; jie xiao-lei~1; li you-tian~1(1.college of resources and environment of henan agriculture university; zhengzhou 450002; 2.institute of agricultural resources and regional planning; chinese academy of agricultural sciences; beijing 100081)

..............page:9-13,20

Effect of organic matter content on surface electric charge and NH-4~+ adsorption-desorption characteristics in brown soil
cui gui-fang; guan lian-zhu; sun lin; yan li~*(laboratory of soil and fertility; shenyang agricultural university; liaoning shenyang 110161)

..............page:17-20

bu tong shi dan shui ping dui ruo jin xiao mai chan liang ji pin zhi de ying xiang
zhu tong quan ; xu hua ; liu jian xin ; li dong ye ; zhao li shang ; he jian feng

..............page:62-63

ping heng zai pei ti xi zhong de chan liang bao hu yin su zhi chong
cao gong ; liang ming zao ; qu xiu qin

..............page:69-71,68

Rape apply fertilizer mathematics model and give a recommendation and apply fertilizer the measure study by goal output
sun ke-gang; yang zhi-juan; wang shou-gang; li bing-qi(soil and fertilizer institute; henan aas; zhengzhou 450002)

..............page:21-23,43

mian geng xiao mai de dan fei yong liang he yun chou ji shu
yan gui zhu ; liu xiao yan ; zhu de jin ; wang yan rong

..............page:64-65