Soil Biology and Soil Management Soil Biology and Soil Management

Soil Biology and Soil Management Soil Biology and Soil Management

The Soil Management Series SoilSoil BiologyBiology andand SoilSoil ManagementManagement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—#F92,86/&3,6,*#3#6$&(9$8(6/&-(%&839%(086*&'()%&/(82: THE SOIL SCIENTIST —%#08#+/&$"#&/(82&/.8#6.#&9%86.892#/&$",$&,%#&839(%$,6$&&&&& &&&&&&& $(&9%(7).$8(6&,*%8.)2$)%#: YOUR FARM —"#29/&'()&,992'&+",$&'()&,%#&%#,786*&$(&'()%&(+6&-,%3: WHAT’S NEXT? —+%,9/&)9&$"#&.",9$#%&1'&"#2986*&'()&,//#//&'()%&(9#%,$8(6&,67&/(82: FURTHER RESOURCES —28/$/&9#(92#&,67&9)128.,$8(6/&$(&.(6/)2$&-(%&3(%#&86-(%3,$8(6: 5%($.+,%*,(-.,6)%$,7'*'1.2.*(,6.3%.+,%*&$"8.9 IJ&&<(82&=,6,*#3#6$&K?L>MNOOJ PJ&&Q(39,.$8(6&K?L>MRSSJ NJ&&=,6)%#&=,6,*#3#6$&K?L>MRSIJ&& RJ&&C%*,68.&=,$$#%&=,6,*#3#6$&K?L>MRSPJ& TJ&&<(82&?8(2(*'&,67&<(82&=,6,*#3#6$&K?L>MRSNJ :)/%.+&(-&$"#&8678087),2&$8$2#/&,67&$"#&.(392#$#&/#%8#/&KUQ>MNOVJ&.,6&1#&(%7#%#7&-%(3&$"#&L680#%/8$'& (-&=866#/($,&GF$#6/8(6&<#%08.#&W8/$%81)$8(6&Q#6$#%5&RST&Q(--#'&X,225&IRPS&G.42#/&E0#6)#5&<$:&U,)25& =Y&TTISV>ZSZV:&;(&(%7#%&1'&#>3,82H&(%7#%[#F$#6/8(6:)36:#7)& (%&1'&.%#78$&.,%7H&KVSSJ&VMZ>VZNZ: Soil Biology and Soil Management !"#$%&'()&*(+,&$(-.&"()+/&0(&1+(2)3%&0(-/&(4&"5'&(+&3(+-&4+(6&%53"&53+%&(4& $5-27&0(-/&(4&8530%+#57&4)-.#7&#-/%30/7&5-2&(0"%+&(+.5-#/6/&5+%&*(+,#-.&)-2%+9 In this .+()-27&65,#-.&45+6#-.&1(//#8$%:&;"%'&2%3(61(/%&(+.5-#3&6500%+&5-2&0+5-/4(+6& publication -)0+#%-0/&#-0(&4(+6/&'()+&3+(1/&35-&)/%:&;"%'&"%$1&8)#$2&.((2&/(#$&0#$0"7&%-"5-3%& 3+(1&.+(*0"7&5-2&3(-0+($&1%/0/: How do farming practices change soil !"#$%&'$(")$*+'+,-$./"0$*+--+/$0&'&1+0+'-$ life? of the soil biological community? What lives under­ ground, and what are !"#$%"#&'()$*&%+,*,-&<%//&4%+0#$#=%+&65'&8%&-%%2%2&#4&-)0+#%-0&3'3$#-.&8%3(6%/& they doing? !"#$%$&'()$*+%,*-%.$//%&$#+).)0$#%)/%."/+%&#"!%+1$%#""+)*2%0"*$3%4$5$#%6$/+)()-$/% 5+%&-%%2%2&*"%+%&5&2#>%+/%&/%0&(4&1%/093(-0+($&(+.5-#/6/&5+%&530#>%:&?/&/(#$& How do soil organ­ isms and plants get /0+)30)+%&#61+(>%/7&0#$$5.%&8%3(6%/&%5/#%+&5-2&1(0%-0#5$$'&$%//&3(/0$': along? .+//$*'+(&)0"1"(*'+(-%7").%"#2,*)/!/%'.+$#%,*-%-$+"8)&9%(1$!)(,./%,*-%,:/"#:% +1$%$8($//%*;+#)$*+/%+1,+%5";.-%"+1$#5)/$%:$("!$%6"..;+,*+/%51$*%+1$9%#$,(1% .+()-2*50%+&(+&/)+453%&*50%+:& 23)0+1"#&4'"/#&5(#&%0+)&6$5/'*4-&@(#$&(+.5-#/6/&5+%&,%'&0(&4(+6#-.&.((2&/(#$& /0+)30)+%&(+&0#$0":&A((2&0#$0"&1+(6(0%/&8%00%+&+((0&2%>%$(16%-0&5-2&*50%+& /0(+5.%:&B5-'&6#3+((+.5-#/6/&%-"5-3%&3+(1&.+(*0"&(+&+%2)3%&0"%&530#>#0'&(4& 2#/%5/%&(+.5-#/6/&0"50&35-&2%.+52%&0"%&C)5$#0'&(4&4((2&5-2&4%%2: How well are you taking care of your underground “herd”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ow do I encourage a diverse soil community? @1$%*$8+%&$5%6,2$/%5)..%-$/(#):$%("!!"*%5,9/%+"%$*(";#,2$%1$,.+19%/").%& :)"."29=%,*-%$86.,)*%519%/"!$%&,#!%6#,(+)($/%,&&$(+%/").%"#2,*)/!/3 F4&'()&5/,&(0"%+/&4(+&/)..%/0#(-/7&,%%1&#-&6#-2&0"50&*"50&*(+,/&#-&(-%&1$53%& 6#."0&-(0&*(+,&#-&5-(0"%+:&;(&65-5.%&0"%&/(#$&8#($(.#35$&3(66)-#0'7&8%&5&& 35+%4)$&(8/%+>%+&(4&0"%&3"5-.%/&(-&'()+&45+6:& How to encourage healthy soil biology 6"//$0,)31'*%&,2'((.3 !3)(.&(,(-.,-'#%('(,)4,+)%$,)31'*%+2+ A$2!?%2%3#$'"14$"#(%-0# A$"#-0'#$,%**!)# A$!44*+$'1241(,$1"$2!&0"# A$2%&%2%3#$'124!',%1& A$4*!&,$'1=#"$'"14( A$2%&%2%3#$9!**1@$4#"%1-($ A$2%&%2%3#$,5#$0(#$19$4#(,%'%-#( ;*&3.'+.,<'3%.(0, A$%24"1=#$@!,#"$-"!%&!)# A$'"#!,#$!$-%=#"(#$*!&-('!4# A$"1,!,#$'"14($ MANAGING FOR SOIL BIOLOGY Supply organic matter B(/0&/(#$&(+.5-#/6/&+%$'&(-&(+.5-#3&6500%+&4(+&4((2:&G53"&/()+3%&(4&(+.5-#3& !,++$#%&,<"#/%,%-)&&$#$*+%!)8%"&%"#2,*)/!/=%/"%,%<,#)$+9%"&%/";#($/%2$*$#,..9% /)11(+0/&5&>5+#%0'&(4&(+.5-#/6/:&;"%&$(350#(-&(4&0"%&(+.5-#3&6500%+H*"%0"%+& ,+%+1$%/;#&,($%"#%!)8$-%)*%+1$%/").A,./"%!,B$/%,%-)&&$#$*($3 Maximize crop residue 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Increase variety Create a diverse landscape F)<$#/$%1,:)+,+/%/;66"#+%("!6.$8%!)8$/%"&%/").%"#2,*)/!/3%F)<$#/)+9%(,*%:$% 53"#%>%2&*#0"&3+(1&+(050#(-/7&>%.%050%2&4%-3%&+(*/7&8)44%+&/0+#1/7&/0+#1&3+(11#-.7& ,*-%/!,..%'$.-/3% Rotate crops I+(1&+(050#(-&1)0/&5&2#44%+%-0&4((2&/()+3%&#-0(&0"%&/(#$&%53"&'%5+:&;"#/&%-3()+9 5.%/&5&*#2%+&>5+#%0'&(4&(+.5-#/6/&5-2&1+%>%-0/&0"%&8)#$29)1&(4&5&/#-.$%&1%/0& /6$()$/3%E"<$#%(#"6/%)*(#$,/$%+1$%<,#)$+9%"&%6.,*+/%)*%,%'$.-%$,(1%9$,#3 Protect the habitat of soil organisms <5+.%&5-2&/65$$&/(#$&(+.5-#/6/&-%%2&5#+7&6(#/0)+%7&5&3(-/05-0&4((2&/)11$'7&5-2& +((6&0(&6(>%&#-&5&1+(0%30%2&1$53%:&O%2)3%2&0#$$5.%7&$53,&(4&3(61530#(-7&3(-9 /05-0&.+()-2&3(>%+7&5-2&6#-#6)6&2#/+)10#(-&8'&3"%6#35$/&1+(0%30&0"%&%->#+(-9 6%-0&(4&/(#$&(+.5-#/6/: Reduce tillage ;#$$5.%&%-"5-3%/&8530%+#5$&.+(*0"&#-&0"%&/"(+090%+6&8'&5%+50#-.&0"%&/(#$&5-2& :9%+1"#";21.9%!)8)*2%+1$%"#2,*)(%!,++$#%5)+1%:,(+$#),%,*-%/").3%@1$%:,(+$#),.% 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