Influence of precise-using N and normal-using N on the yield of rice and N using efficiency
liu yan-yang~1; zhang hong-cheng~1; hu xing~1; zhu de-jin~2; dai qi-gen~1(1.agricultural college of yangzhou university; jiangsu yangzhou 225009; 2.soil and fertilizer station of agriculture bureau in jiangyan; jiangsu taizhou 225529)

..............page:35-36

ying yong arcview zhi zuo tu rang yang fen tu ji shu
li rui ; bai you lu

..............page:62-65

ping heng zai pei ti xi yu zuo wu pin zhong
cao gong ; liang ming zao

..............page:66-69

Effect of different tillage on soil environment and crop growth in cold area
yan hai-li~1; zhang shu-xiang~1; yan kai-bing~2; li min~2; ma wan-nian~2(1.institute of agricultural resoures and regional planning; caas; beijing 100081; 2.shouyang agricultural machine bureau in shanxi province; shouyang 031700)

..............page:16-19

Effect of potassium nutrition on yield and store characteristic of small cushaw in solar greenhouse
huang wei~1; zhang jun-hua~1; yang fu-cun~2; zhang li-feng~2(1.department of horticulture; hebei north college; xuanhua 075131; 2.college of agronomy; hebei agricultural university; baoding 071001)

..............page:43-45

Effect of N,P and K balanced fertilization on water spinach
yao bao-quan~1; huang mei-qing~2; cai kai-di~2(1.fujian farmland construction; technical station of soil and fertilizer; fujian fuzhou 350003; 2.licheng soil and fertilizer station; putian 351100)

..............page:32-34

Analysis on nitrate polluttion of vegetable in Pudong area Shanghai
hou jing~1; chen zhen-lou~1; yao chun-xia~1; lu li-min~2; qiu qin~2; huang yi-hong~2(1.normal university east china; college of resource and environment; shanghai 200062; 2.agriculture generalize center in pudong new district; shanghai 201201)

..............page:54-57

Soil fertility changes and cultivate suggestions in Dezhou city
qu shan-gong; li huai-jun; hao jian-cheng(shandong province dezhou city soil and fertilizer station 253016)

..............page:29-31,57

Effect of K,Zn and Mn combined application on yield and qualities of potato
li hua~1; bi ru-tian~2; cheng fang-qin~1; wu jun-lan~2(1.environmental and resources college; shanxi univerisity; taiyuan 030006; 2.shanxi agriculture university; taigu 030801)

..............page:46-50

Effects of long-term fertilization on phosphorus sorption and desorption in albic soil
ma yan-mei(department of park engineering; heze university; heze shandong 274000)

..............page:40-42

Effect of urea-phosphate on the quality and yield of cotton by drip irrigation under plastic film
liu jian; du jian-wei; zhang wei-xing(research institute of urumqi petrochemical corporotion; urumqi 830019)

..............page:37-39

Development of microbial fertilizer and maintaining of soil biological fertility
li jun; jiang xin; li li; shen de-long(center for quality testing and supervision for microbial fertilizer and edible mushroom spawn; ministry of agricultureinstitute of agricultural resources and regional planning; chinese academy of agricultural sciences; beijing 100081)

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

Effect and fit quantity of application silicon fertilizer on wheat
shao chang-quan; zhang cui-zhen; shao chang-rong(shandong binzhou vocational college; shandong binzhou 256624)

..............page:51-53

Effect of climate on soil supplying nutrient capability to early rice
zhao jue-jian(soil and fertilizer station; tongcheng anhui 231400)

..............page:58-61

Physiology of zinc uptake partitioning and approaches to increasing zinc density in grains of food crops
jiang wen~(1; 2); zhao ming~3; fan tang-qun~4; jin ling-na~5(1.china agricultural university; beijing 100094; 2.laiyang agricultural college; qingdao 266109; 3.institute of crop science chinese academy of agricultural sciences; beijing 100081; 4.institute of penut research of shandong; qingdao 266100; 5.yangzhou university; jiangsu 225009)

..............page:10-15

Effects of fertilizer applying on quality of lawn
zhao lin-ping~(1; 2); wu li-shu~1; huang hong-xiang~2; zhou yong~2; rong xiang-nong~2(1.huazhong agric.univ; hubei wuhan 430070; 2 resource and environment inst; caas; beijing 100081)

..............page:6-9,39

Investigations of heavy metals in various soils in Guiyang city
wei cheng-xi~1; tan li-juan~1; chang de-rong~2(1.college of life sicence; guizhou university; guiyang 550025; 2.vegetable office of guiyang; guiyang 550000)

..............page:20-24

Effect of crop yield and soil fertility on different fertilization methods in dry farmland multpliate seasons and relay intercropping
zhang wei-mei; l zuo zhou-lin; yao hong(lishui institution of agricultural scince of zhejiang 323000)

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