| In order to find the reasonable intercropping pattern and the ecological regulating technology for Walnut-crop intercropping system,we had studied in the 8-year-old Walnut tree 5m×6m and 6m×8m Walnut-wheat intercropping system and 6m×8m Walnut-cotton intercropping system which in Tarim basin with the oasis irrigation,including the microclimate effect,growth and the soil moisture at kumubashi village in Akesu city from Sept.2007 to Nov.2008.Spatial and time distribution also with the change of microclimate factors including light intensity,temperature,humidity and wind speed in Walnut-crop intercropping systems with the same tree spacing and different crops have been analyzed in detail.1.Phenological observations of Walnut and crops in the intercropping systems showed that:Walnut tree and wheat phenophase staggered,the impact of time on wheat for 55d,was only the whole growth period of wheat by 23%;and walnut and cotton phenophase overlap almost entirely,the impact of time for 180d, so the impact on cotton accounted for almost the entire growth period.2.Walnut-crop intercropping systems of microclimate effect results showed that,more than farmland and monoculture,intercropping system meteorological factors have taken place in different degrees of change.In light intensity,the 8-year-old tree of the intercropping system,the order of light in Walnut-wheat quantum was 5m×6m<6m×8m East and West > CK.The average soil moisture of 5m×6m and 6m×8m Walnut-wheat intercropping system and 6m×8m Walnut-cotton intercropping system were higher by 1.71%,0.95%and 1.1%,compared with control,were respectively 11.2,6.3 and 8.6 the high-percentage points. |
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