Study on Introduction of Asparagus in Xiliaohe Plain;

Feasibility Analysis of Developing Sweet Corn Industry in Xiliaohe Plain;

Study on the Mire Development and Palaeogeographical Environment Change Since the Early Period of the Holocene in the East Part of the Xiliaohe Plain;

Effects of Meteorological Factors on Yield and Quality of Green Asparagus in West Liaohe Plain;

The environmental geological problems existing in the West Liaohe Plain involve desertification of land,salinization of soil,declining of groundwater level and pollution of groundwater.

The Research of Seepage Control and Frost Heave Resistance of Irrigation Area Canal Lining in the Xiliaohe Plain;

Mid-and long-term experiment was designed to study the release rate of soil P,K and fertilizer effects under different fertilization systems at Liaohe Plain,and the process of building macro nutrients pool.

Dynamic changes of nitrogen in precipitation in lower reach of Liaohe River Plain;

Effects of water and nutrient interaction on maize yields in lower reach of Liaohe River Plain;

Nitrous oxide and methane emissions from different agricultural fields during freezing and thawing periods in the lower reaches of Liaohe Plain.;

Carbon fluxes from a non-cropping paddy field in the Lower Reaches of Liaohe Plain;