Phosphate & Compound Fertilizer 2009 Issue 6 Urea-formaldehyde slow release fertilizers

Urea-formaldehyde slow release fertilizers
lv yun feng

..............page:8-10

The feasibility of development for urea-formaldehyde fertilizers in China
xu xiu cheng ; li qia ping ; wang hao bin

..............page:5-7

Analysis on development strategy of potassium industry under new situation in China
wang xiao feng

..............page:1-4

Application of ultra-filtration, reverse osmosis and mixed bed technologies for preparation of de-salted water in sulfuric acid industry
wang zuo ; huang zheng jie

..............page:38-40

Technical measures for reducing production costs of feed-grade calcium hydrogen phosphate by dilute phosphoric acid method
yang jian zhong

..............page:35-38

The mechanism of granule formation for production of compound fertilizer by melt granulation in prilling tower and factors impacting particle size
li xiao bo ; han chun jin ; liu jian hua ; cui cong na ; li jin rong

..............page:41-44

Technology for production of melt sulfur and wax double coated controlled-release fertilizer
cao guang feng ; wei min yi ; fan xiu kai ; liu hua ; yang jie

..............page:45-46

Preparation of synergism conditioning filler for compound fertilizers with phosphogypsum processing medical stone
niu he jun ; wu lu zhi ; kang chao ; guo chang jiang ; cui shu chao ; li jian feng

..............page:47-49

Feasibility of construction for compound fertilizer plant from pig manure raw material
ye shu zi

..............page:50-51

Industrial development and application prospects of high efficiency compound fertilizer with poly γ-glutamic acid
wang shao hua

..............page:52-54

..............page:54-55

Revamping on compound fertilizer vibrating screen
wu guang fu ; luo zhen

..............page:56-57

Process of melt granulation in prilling tower and its control points
guo xia

..............page:58-59

Status of phosphogypsum quality and five aspects should be noted in its utilization
ye xue dong

..............page:60-64

Transformation practice on buried scraper conveyor
ma jia zuo

..............page:65-67

Application study on HG-AAS for the determination of trace arsenic and mercury in phosphate rock and WPA
li xing lin ; wang chuan hua ; xiong xiao hong ; fu xiao zuo ; zeng hong fang ; jin gui cai

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

Improving the determination of COD in water quality
jiang wei ; feng xiao jun ; chen jing liang ; zhang yu

..............page:71-72

Application of microwave in determination of sulfur in phosphogypsum
peng zuo ; wang yun kun ; lu mei lian ; li hong ; yang shao bin

..............page:73-74,79

Achievement and prospect of formula fertilization by soil testing
du sen

..............page:75-76

Research progress of phosphate resource processing:7.Research progress of SA and sulfate produced from phosphogypsum
liu dai jun ; wang xin long ; jiang wen wei ; zhang zhi ye ; li jian ming ; dai xiao yan ; gao li hua ; liu hai yan

..............page:11-13

Study on the reactive system of consisting of potash feldspar-phosphate rock-hydrochloric acid
guo de yue ; han xiao zuo ; wang zhong bing ; lu ya ling ; wu xue ping

..............page:14-16

Research on the calcium removal from WPA by ion exchange method
zhang lin feng ; xiong xiang zu ; wei shi yuan ; li zhi bao ; li wen zuo

..............page:17-18

Improving on the production process of SSP from phosphate rock with high iron and aluminum contents
shi song lin ; zhong fa min

..............page:19-20

Process optimization and transformation on energy-saving in large-scale DAP plant
xu chun

..............page:33-34,40

Technological measures for increasing the absorption efficiency of fluoride concentration in 200 kt/a WPA plant
wang li shan

..............page:31-32

Study on optimization of process technology of washing system in large scale DAP plant
li chun juan

..............page:27-30

Analysis on running status of rotary vacuum disk filter in the production of WPA
duan fu gang

..............page:23-26

Promotion of sandy FCMP based on effect of its particle size on values of available nutrient determination
cheng hong bin ; li lin

..............page:21-22

History, current situation and development trend on agricultural application of secondary elements and micro-nutrients in Hunan province
wan qiang ; zhou yan

..............page:77-79

Orchard soil acidification status in Jiaodong peninsula of Shandong province and control techniques
li zao dong ; wang yi hua ; li ling yun

..............page:80-81

Effects of new potassium containing liquid fertilizer on growth and nitrate concentration of celery in greenhouse
yin hong juan ; sun wen yan

..............page:82-83

The supply and demand status of sulfur in fertilizer industry of Asia in recent years
fan ming xian ; liu li

..............page:84-85

Selecting separation technology according to mine used quality standard about phosphate and compound fertilizer
liu li fen

..............page:86-87

jian xun

..............page:20,51

shou ti shi feng bao ji lou dian zao cheng shang wang shi gu an li fen xi
cao jie ; cao guang feng

..............page:59

mei guo hua xue wen zhai 100 zhou nian

..............page:64