Tillage Practices - PowerPoint PPT Presentation

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Tillage Practices

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Tillage Practices Conventional ... – PowerPoint PPT presentation

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Title: Tillage Practices


1
????? ??? ???????
  • Tillage Practices

2
?????
  • ???? ?? ?????? Conventional
  • ???????? ??? ????? ? ??????
  • ?????
  • ????? ???? ??????? ???
  • ????? ???? ???
  • ?????? ?????? ???? ? ???

3
??? ???? ???
  • ?????
  • No tillage
  • No till farming
  • Zero Tillage
  • Chemical T.
  • Direct seeding
  • Direct Drilling
  • Direct planting
  • ?????
  • ???? ??? ?? ????? ???? ??????? ?????? ??? ???? ??
    ???? ?????? ?????
  • ???? ????? ??? ??? ??? ?? ??? ??
  • ????? ???? ???? ? ??? ??? ???

4
????? ??????? Minimum Tillage
  • ???
  • ?? ???? ???? ???
  • ?? ???? ????? ?????? ? ?????
  • ?????
  • ??????? ?? ?????? ?? ??? ????? ???? ? ??? ?????
    ????
  • ????? ?? ?? ??? ?????? ?? ?? Combined Tillage
  • ?????? ?? ???????????? ??? ???
  • ???? ??? ??? ??? ? ???
  • ?????? ???????? (???? ???? ???? ?? ??? ?? ?????
    ????)
  • ?????? ??? ?????? ?? (??? ??? ?? ????? ??????)
  • ?????? ?????????? ????? ????? ???? ??? ????? MT
  • ?????? ??? ?????? ???? (????? MT????? ??? ?????
    ? ??? ?? ????? ?? ???)
  • ?????? ???? ????? ???? ( ?? ??? ?????) ??????
    ?????? ??? ???
  • ????? ???? ???? ? ??? ??? ???

5
  • Optimum Tillage ??????? ?????
  • ????? ??????? ?????? ?? ????? ??? ? ?? ? ?????
  • Reduced Tillage
  • Conservation Tillage
  • Strip tillage ??????? ???? ?? ? ?? ?????
  • ?????? ?? NT? ?CT

6
??? ???? ????? ????? ???
  • Till plant system
  • ??????? ?? ???? ???? ???? ???????
  • ??? ?????? ?? ???? ?? ???? ????

7
????? ????? ??? ??????? ????
  • ??????? ?????? Sustainable farming
  • ???? ????? ?????
  • ????? ???? ? ????? ? ???? ??????
  • ???? ???? ??? ?? ?????? ????? ??? ?????? ???
  • ?? ????? ?????? ???? ????? ????

8
?????? ??????? ? ????? ??????
??? ???? ??? ???? ??? ???? ??? ???? ???? ???
18-12 12-6 6-2 2-0 ???? ???
NT CP,NT CP,OD, NT MBP,CP, NT,OD ???? ??? ???
NT CP,NT CP,OD, NT MBP, OD ???? ????? ???? ????
NT CP CP MBP ??? ??? ???? ??? ???? ??? ??? ?????
NT CP CP MBP ??? ???? ????? ??? ???
9
?????? ????? ???? ???? ?? ????? ??? ???????
NT MT CT ??? ??????
0 0 1 1 0 1 1 0 ?? ????? 0?? ????? 0 ?? 1 1 ?? 2 1 1 2 ?? ????? 1 0 ?? ????? 2 ?? ????? 1 ??? ?? ?????? ???? ????? ???? ?? ??? ?????????? ??????
3 4?? 5 7 ?? ????? ???
10
????? ??????? ?? ??? ?????????
???? ???? ??? ?? ???? ???? ???? ??? ?? ???? ????? ????
24 ???? ?? ?? ????? ????? ????? ????? ????
4/10 18 ?????? ?? ???? ???
4/6 2/12 NT ?? ???? ???
5/13 4/23 NT ?? 40 ?????
8/34 9/43 NT? ?? 80 ?????
11
????? ??? ??????? ? ????? ??? ??? ??? ?? ??? ????
???? ??? ??? ???? ??? ??????
1 8.4 12.9 19 62 76 ?????? ?????????? ?? ??? ???? ??? ??? Till planting ?? ??? ???? ?????? ???? ?? ??? ???? ?????? ???? NT
12
The amount of soil organic matter in the top inch
of soil depends on tillage system. Data source
Quarles (1994)
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