Bài 12: Sâu, bệnh hại cây trồng

HH

tác hại của sâu bệnh là ?

DC
29 tháng 9 2017 lúc 20:43

-sâu bệnh ảnh hưởng đến sinh trưởng, phát triển của cây trồng và làm giảm năng xuất, chất lượng của nông sản.

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NK
6 tháng 11 2017 lúc 22:46

kj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe
fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl
asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or
trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg
trmklojljerlkgjerklgrejgiergerogegerggregregregergervhehe

\(kj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg trmklojljerlkgjerklgrejgiergerogegerggregregregergerkj 2ewndskevwekwehweklxnmqw,zmxclk`lhewiwoewewe fwehjdks3huiwefnvxcm,esfwejskletuidocxjkl asfjweklwjpqx,,mznmzlajskdirothuvncmxgfkior or trhjoirhj roihjn54ih5hjrothj243t er;lgker;lhjere;jhigb mg trmklojljerlkgjerklgrejgiergerogegerggregregregerger\)

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