您好,欢迎访问三七文档
当前位置:首页 > 行业资料 > 畜牧/养殖 > 有机农业土壤氮素流失与防止措施
!###$#%&’(%##%)#$##*#$#+!#$%&’()%**(+%,%-.$&/(01&$02,#2$’/(34#*5%(#$%,6$%0’32$’,-./012345(678895972:7;0=8;9?6/043!5;0=8;38@40A9;B0C?D90E045###*F?GHIH6/043)17*#$/0#JK/9L;9B94L3L9;;9A09MBN07597=/9O0=38=C=897240;75940435;79=7BCB9OH-/3BN9949OL/3B0P9Q/338/75/401;7594893=/0450B;9Q=9Q9220=0948C747;5340=23;O045?3L7BB0N080C72893=/04587BB9BB0889R0BBHS;5340=29;080P9;B=34748CN93A3083N893BL8344;094329;N9045N078750=38Q95;3Q9QNCO0=;77;5340BOBHK/0BQ95;3Q045L;7=9BB0B=7404388C34Q042894=9QNC3A3;09C7223=7;BH,93=/04572B78N8940;7594047;5340=35;0=8;9;9B9ON89B04=74A940743835;0=8;9HK/9=74=9L/3B7080B3B3N89B7;35927;40;7594O3CN9473==9L3N89M/08940;7594L$3T94NCL834B34Q;3074387;5340=29;080P9;080P3074=34;9Q=9893=/0459220=0948CH8’9:%$3*J7;5340=35;0=8;9U40;7594893=/045U94A0;74O94L;79=074%##%?%()*#$*%!#$%&’()#$’*&’+,-.#$+&/+)$’(###*F)’#VWXY:+Y%S%+W%X:HZ879434QGH[9;90ET94(**’)\Y]W+XY:+H6^YL:##_#T5_#%_#T5F#’#T5WFXHH#F#‘%_VW_X?&_VW&XHH%6^Y6^Y%#+#a6^Yb%#aJ%##$$#J(*&c)%###!#$%&’()*)+,-%./01%23)-4))/5./-)/-0.60.+’3+)/%-(.&)/7%-0+.006(.80.%+,/9’2-,:)3;2+,/-0=??@2ABCDECDA@2AFG?EHAIBA@JKL??BMCDEK9C#C58JBLNO#NO#JGL?#C#C:&EDP?Q51)++)(,/9A?R.&-8,//!!EK@:&J!L?#?S,(5;T0UVOWF1H!!A=!XU80OWF1H80OAXAFAV1IXHJCLC#C58ECDKCD?#?##$YSZ?#?@Y?A?[,/00)/,/9$??\?]’%:%/&F!!CH@CDJ@L##?#??CBC:&JKL#??#!##$%&’&%(’)()(%)(*)(+)(,)-./0’1&&&’23456’!!’7770’%1&&8&,9&’&!&&%&&*%2&:;3=3=&?3@3ABC3=DE(’!!,)*#9+#90%1,+90+10’1FGHIG@J6KL=MN;EO=FP(3ME&)&QR@A3SEJEO3TPUU3SOE=NLMAVLSOAW3;JXTY@OL=OZ@LS3[LE3EL=M[;IL;-;ATLO3-\L=R30K1&]^Q5^Y3S&GI&=&++&’!!%&’7’_&01-\@AEOY\3@^OY3EL=M‘La@3=S3bMaL@M&/AO@R3=;3LS\A=RA=@VRL=ASUL@TA=R061&!#$%&’()*)+,-./-012.+56L=GL@J’!!8&7+&0%1:;3=25?3@3ABC3=&Z3EOA=RL=MATY@WA=R3S;RASL;=GO@A3=OTL=VLR3T3=OaAO\YA;OUL@T3@E0Q1&X=$Q47F‘c(PM)&@R@3EE@3Y@OEU@3E3L@S\=3Oa@C=A=O3R@LO3ML=M3S;RASL;L@LI;3UL@TA=REJEO3TU@P]L=MQEESALO3MSG=O@A3E5-=S3@O3MQSOA=QXN%7-Z!#8++5bLR3=A=R3=5Z\3/3O\3@;L=ME5@R@3EEN3Y@O*$’!!858#7_*&0*1:3=ARNZL=M-S\@L=?‘&F3STYEAOA=L=M=AO@R3=TA=3@L;AdLVOA=U@T;3RGT3L=M==7;3RGT3S@Y@3EAMG3EA=LEGIL@SOASLR@ASGVSG;OG@L;EA;061&32)*4052*6)2*5’!!*5’8$,!78+&0+1‘3aAE-P5L=MZ\TLEb[&PHYL=MA=REGIL@SOASLR@ASG;OG@3$^SAL;5Y;AOASL;5L=M3S=TASLEY3SOEA=Q;LECL061&!.540/278*6(294:;’!_58$’8_7’_8&0,12LR3M@=e5^O3A=3@:[5L=M^3CLJL=R3‘53OL;&PUU3SOU@LA=UL;;YLOO3@===AO@R3=TA=3@L;AdLOA=L=M;3LS\A=RA=LR@33=TL=G@33HY3V@AT3=OA=^GO\NaL=ML061&*-.5-./6)2*5’!!85’!+$%,+7%8+&081‘L3R@3AMK54SCTL=c-L=M:LL@EOLMPc&QR@ASG;OG@35e3@OA;Ad3@EL=MO\3P=WA@=T3=O0K1&]:5-Q4XGI;AE\A=R5cH=’!!!&0_1‘A==-KL=MF@L=6b&Q3@IASL=ML=L3@IASTAS@IAL;YYG;LOA=EA==7OA;;3ML=MY;GR\3MEA;E061&6)2*6(26)($1=5’!_*5*_$8!*78!!&0!1^S\3;;3@PL=M?ROTL==2&/AO@R3=‘3LS\A=RA=PS;RASL;QR@ASG;VOG@30K1&QT3@ASL=&QSLM3TASGI;AE\3@E5’!!+Q4!’7’#&0’#1NLRLIN&KM3;;A=REA;aLO3@L=ME;GO3O@L=EY@O0Q1&X=$^GEOLA=LI;3GE3U==S=W3=OA=L;aLO3@@3EG@S3EA=O\3K3MAO3@@L=3L=@3RA=&QO3U2LTMJ(PM)&QMWL=S3MSG@E3@RL=AE3MIJP]7F[’5X-QNVFQ5-X2PQK.KQX&454L@AX=EOAOGO35Q;3YY^J@AL5QY@A;’_7%#5’!!_&XOL;J&-X2PQK.KQX&454L@AX=EOAOGO3XOL;J&,+8&0’’1^S\;3UA3;MF5ZJE=:-5[L@aMPQ53OL;&/AO@LO3;3LS\A=RU@TR@LEE;L=M;JEAT3O3@E$3UU3SO3@EUU3@OA;Ad3@EA=YGO5UA3;MM@LA=LR35LR3UEaL@ML=MYLO3=EUa3LO\3@061&=)0.-*)?6)2*6(24.(45’!!%5**$,#’7,#%&0’1;LT-QL=M^L=S\3dQ&/AO@R3=@3;3LE3U@TO\3;3LW3EUET3O@YASL;;3RGT3ELE3UU3SO3MIJO\3A@;AR=A=L=MY;JY\3=;ASS=O3=O061&^A;4A;4AS\3T5’!!’5!(’)5_%7__&0’%1bLOE=-Q5^OY3E-f\A;AYYE‘&/AO@R3=SJS;A=RA=c@RL=ASL;;JTL=LR3MS@Y@OLOA=E$ATY@OL=S3U@OLOA=M3EAR=&QT3@ASL=5^A;]E3fTL=LR3T3=O&’!!_&%,’7%8’&
本文标题:有机农业土壤氮素流失与防止措施
链接地址:https://www.777doc.com/doc-268191 .html