..............page:517-524
..............page:525-533
..............page:534-540
..............page:541-549
..............page:550-561
..............page:562-569
..............page:570-579
..............page:580-587
..............page:588-597
..............page:598-605
Dynamic analysis of dry matter and NPK accumulation with time in summer maize
XIAO Qiang;YAN Lian-bo;ZHU Xin-yu;ZHANG Huai-wen;CAO Bing;NI Xiao-hui;LI Li-xia;YANG Jun-gang;HUANG De-ming;YI Wen-ping;Institute of Plant Nutrition and Resources;Beijing Academy of Agriculture and Forestry Sciences;Slow and Controlled Released Fertilizer Engineering Technology and Research Center of Beijing;Agricultural Science Research Institute;Shunyi District;
..............page:606-612
..............page:613-619
..............page:620-628
..............page:629-635
..............page:636-641
..............page:642-650
Effects of exogenous ferrous on rice growth and soil microbial activities
CHEN Na;LIAO Min;ZHANG Nan;XU Pei-zhi;XIE Kai-zhi;XU Chang-xu;LIU Guang-rong;College of Environmental and Resource Sciences;Zhejiang University;Zhejiang Provincial Key Laboratory of Subtropical Soil and Plant Nutrition;Institute of Soil & Fertilizer;Guangdong Academy of Agricultural Sciences;Institute of Soil & Fertilizer and Resource & Environment;Jiangxi Academy of Agricultural Sciences;
..............page:651-660
..............page:661-669
..............page:670-680
..............page:681-686
..............page:687-695
..............page:696-701
..............page:702-708
..............page:709-717
..............page:718-725
..............page:726-736
..............page:737-746
..............page:747-753
..............page:754-760
..............page:761-767
..............page:768-772
Relationship between available K content and K input levels in fluvo-aquic soil under long term fertilization
ZHANG Shui-qing;YANG Li;HUANG Shao-min;LOU Yi-lai;NIE Sheng-wei;GUO Dou-dou;SHIN-ICHIRO Mishima;Institute of Plant Nutrition and Environmental Resources Science;Henan Academy of Agricultural Sciences;College of Resources and Environment;Huazhong Agriculture University;Human Resources Development Center;the Ministry of Agriculture;Institute of Agricultural Resources and Regional Planning;Chinese Academy of Agricultural Sciences;National Institute for Agro-Environmental Sciences;
..............page:773-777
..............page:778-782