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| Regulating effects of different mulching materials on soil nutrient and temperature in immature rubber plantation |
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| DOI：10.16968/j.issn.1004-894X.2016.09.011 |
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| Abstract: |
| In order to screen optimum cover material in immature rubber plantation，different mulching material
treatments of pot experiment were carried out，which included 3 cm biological material，2 cm biological material，1
cm biological material，plastic film mulch，straw mulch. A flat plot without mulch was used as a control. The results
showed that the nitrate nitrogen contents on 3 cm biological material mulch and 1 cm biological material mulch were
significantly higher than that of four others，the contents of rapid available phosphorus and total phosphorus on plastic
film mulch were significantly higher than those of five others，rapid available potassium content on straw mulch was
significantly higher than those of five others，the contents of ammonium nitrogen，total nitrogen and total potassium
were not significantly different on 3 cm biological material，2 cm biological material，1 cm biological material，plastic
film mulch，straw mulch. In plastic film mulch and bare land ground，temperature was not significantly different，
in 3 cm biological material，2 cm biological material，1 cm biological material，straw mulch，temperature was
significantly lower than that in bare land. |
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