Application Effects of Cave Storage Biogas Residue and Biogas Slurry on Cherry Cultivation
In order to research the application effects of cave storage biogas residue and biogas slurry on cherry cultivation,3 experimental treatments including control (CK),reservoir protecting fertilizer materials with water (BR)and reservoir protecting fertilizer materials with biogas slurry (BS)were designed in a cherry land.The results showed that BR and BS treatments had strong effects on the boost and maintain of soil mois-ture nearby landfill ditch,and that within 60 cm from the landfill ditch was effectively improved after embed-ding for 30 days.Both BR and BS treatments could significantly increase the short shoot rate and total shoot quantity,so the nutriture of cherry tree was effectively improved.The yield per plant and single fruit weight of BS treatment increased by 21.76% and 28.89% respectively than those of CK,and the soil organic matter, available nitrogen,available phosphorus and available potassium were all significantly increased by BS treat-ment.Compared with the treatment of BS,the application effects of BR were rather poor.Above all,cave storage biogas residue and biogas slurry had better effects on water and fertilizer supplement of orchard,so it had higher promotional value.
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