The aim of this work was to evaluate the effects of the application of different sources and doses of nitrogen(N)in the growth and productivity of sugarcane in cane plant.Field experiments were conducted in the area o...
Supported by Basal Research Fund of Rubber Research Institute of CATAS:"Development and Application of New Type Fertilizers for Rubber Tree"(No.1630022012003);"Special Funds of China Agriculture Reserach Systems"(No.CARS-34)~~
[Objective] A new-type water-absorbent slow release nitrogen fertilizer(WASRNF) was produced through polymerization reaction. Its physicochemical property and application effect in latosol were studied. Feasibility ...
Supported by Scientific Research Project for Young Teachers of Qiongzhou University(QYQN201123);National Science and Technology Support Program(2011BAD11B04)~~
[Objective] This research aimed at studying the effects of application amount of DCD and physics and chemistry characteristics of soil such as temperature,moisture content,organic matter content and pH on the inhibiti...
Supported by National Fund of Natural Sciences(40963001)~~
[Objective] To research the content of Pb element in latosol of Hainan island and to assess its environmental quality.[Method] Samples were selected for lab analysis.27 samples from different landforms of Hainan Islan...
Supported by Natural Science Foundation of Hainan Province (40879);Educational Commission of Hunan Province of China (HJKJ2010-28);Scientific Research Foundation for Returned Scholars,Ministry of Education of China;Co-financing of Key Subjects"Cartography and Geographic Information System" and "Physical Geography"of Hainan Normal University~~
[Objective] The paper was to carry out ecological geochemical survey and ecological risk assessment on the heavy metals in latosol in western area of Hainan Island.[Method] The contents of six heavy metals including C...
Project supported by the National Natural Science Foundation of China (Nos. 49771046 and 49831005) ;the Center for International Cooperation, Ministry of Foreign Affairs, State of Israel.
Suspensions of a latosol with a clay concentration of 30 g kg^(-1) wereprepared from electrodialyzed clay fractions, less than 2 μm in diameter, five nitrate solutionswith a concentration of 1 X 10^(04)/z mol L^(-1),...
Project (Nos. 49971046 and 49831005) supported by the National Natural Science Foundation of China.
In the present work, the exchangeable acidity of a red soilcolloid and a latosol colloid at different pH during reacting withfour neutral salts was measured. The results show that theexchangeable acidity increased wit...