Using a developed process-based spatial explicit landscape model,we simulated water cycling processes in Changbai Mountain Nature Reserve,and analyzed total statuses,seasonal variations and spatial patterns of water input,output and balance.

And its regulation methods during different seasons under any working conditions were introduced in this paper from the aspects of water batching temperature, effects of measuring water on distiller′s grains, proper regulation of pit entry moisture in different seasons, and regulation of pit entry moisture during abnormal fermentation.

HJ4/9] A field rainfall simulation experiment was carried out to assess the impacts of conservation tillage on runoff and infiltration, and the effects of surface tillage, residue cover and wheel traffic compaction were also studied.

In arid areas,the percentage of interception loss may be small,but the role in redirecting water and nutrients in the root zone by stem flow is very significant,infiltration rate increase under the shrubs with higher litter and org.

Based on soil water infiltration testing and related parameters measured in field,tillage soil water infiltration capacity attenuation process was analyzed and the mechanism was discussed.

By using the basic principle of soil hydrodynamics,this paper designs the indoor experiment of soil water infiltration under surge furrow irrigation,and in the light of the influence of the different water-supplying times,circulating ratios and periods on the soil water infiltration process,determines some parameters related to the soil water movement.

A new method of irrigation was designed and tested for its water infiltration and crop water use in the field where maize were grown.