Yam cag rot yuav kho li cas?

Ua ntej tshaj plaws, kev tiv thaiv yog qhov tseem ceeb.

1, xyuam xim rau kev sib hloov, yam thiab pob kws, nplej, radish, txiv kab ntxwv thiab lwm yam qoob loo hauv 3 xyoos 1 kev sib hloov. Hauv cov cheeb tsam qub uas nws tau cog qoob loo txhua xyoo puag ncig, cov qoob loo tig yuav tsum yog ib xyoos ib zaug.

2, hnyav tag nrho cov teb. Xaiv qhov chaw siab, tsis tshua muaj av, fertile thiab xoob av rau sowing. Thaum cov av npaj rau lub caij nplooj zeeg, cov kab mob tseem tshuav nyob rau saum npoo yog tig mus rau hauv av. Nyob rau tib lub sijhawm, tej yam ntuj tso yuav tsum tau siv los ua kom cov av nyob rau lub caij ntuj no thaum ntxov, khov rau lub caij ntuj no, thiab lub hnub nyob rau lub caij nplooj ntoo hlav ua rau qee cov kab mob poob qis.

3. Tshem tawm cov seem seem. Thaum cov txiv hmab txiv ntoo siav, cov kab mob seem, cov nroj tsuag, cov qia lwj yuav tsum tau muab hlawv kom ntau li ntau tau, los yog tshem tawm ntawm lub tshav pob thiab muab faus tob kom txo tau cov kab mob hauv teb; How to do yam cag rot disease, yam cag cag rot tiv thaiv txoj kev

4, tsim nyog ntom cog, ntxiv dag zog rau pruning, txhim kho permeability;

5. Ua tib zoo saib xyuas cov kua dej. Ua tib zoo saib xyuas cov dej hauv lub caij nplooj ntoos hlav thiab lub caij ntuj sov kom txo cov av noo; 6, nce daim ntawv thov ntawm mature organic chiv, zoo nce permeability ntawm cov av, xoob, txo cov hauv paus rot. Qhov thib ob, kev tswj tshuaj lom neeg yuav tsum ntxov. Ua ntej, qia yuav tsum tau kho tshuaj.

2, tswj txoj kev:

1, 350 g/l metalaxyl noob kho emulsion (tsawg toxicity) siv 1:1250-2500 (tshuaj noob piv) noob sib tov. Siv rau sowing ua ntej sowing. Cov noob yuav tsum sib tov sib npaug, thiab cov noob kho yuav tsum tau sown hauv lub sijhawm tom qab ziab.

2, 45 feem pua ​​​​azolone tsim ob chav wettable hmoov (cov tshuaj lom nruab nrab) siv 300-600 zaug ua kua soaking noob. Nws raug nquahu kom siv cov tshuaj thaum ntxov ntawm cov kab mob qoob loo. Tsis txhob siv ntau tshaj ib zaug hauv ib lub caij.

3, 30 feem pua ​​​​ntau tshaj · F · G ncua kev ncua cov noob txheej (nruab nrab toxicity) siv 1:50-60 (tshuaj piv) cov noob txheej. Ua ntej txheej txheej, tus neeg sawv cev ntawm cov noob tau raug shaken tag nrho, qhov piv ntawm cov tshuaj rau cov noob yog 1:50-60, thiab nws tuaj yeem ua cov txheej txheem txheej txheej los yog txheej txheej. Tom qab cov noob txheej, tus neeg sawv cev tuaj yeem sown tom qab ziab rau hauv zaj duab xis.