搜索结果: 1-4 共查到“农学 physical properties of soil”相关记录4条 . 查询时间(0.14 秒)
Effects of rubber-tired skidder and farm tractor on physical properties of soil in plantation areas in the north of Iran
aspen skid trail skidding machine soil disturbance timber skidding
2015/9/15
Physical properties of soil can be affected by machines that are used for skidding which have the potential to impact soil sustainability and forest productivity. The present study evaluated the effec...
Effect of different tillage systems and straw management on some physical properties of soil and on the yield of winter rye in monoculture
conventional tillage reduced tillage straw management soil winter rye
2008/11/24
Field experiments were conducted on Orthic Luvisol derived from loamy sand in 1999-2002. The tillage systems applied were: conventional tillage (CT) including preplough (10 cm) + harrowing, mouldboard...
Relationship between van Genuchten’s parameters of the retention curve equationand physical properties of soil solid phase
water retention curve van Genuchten’s parameters pedotransfer functions
2008/11/12
Van Genuchten parameters were determined for 24 Phaeozems and 54 Gleysols samples taken from surface, subsurface and subsoil horizons. No evident dependences between van Genuchten’s parameters and th...
Spatial variability of soil moisture as information on variability of selected physical properties of soil
soil moisture soil bulk density infiltration rate TDR technique
2008/11/11
The paper presents a method for the estimation of variability of soil bulk density and of variability of infiltration rate on the basis of easily determinable variability of soil moisture. First, the ...