1. Cov nroj tsuag yuav tsum tau muab tshem tawm tas li nyob rau hauv thawj xyoo.
2. Prune raws sijhawm. Prune cov nyom thaum nws loj hlob mus rau 4-10 cm siab, thiab tus nqi ntawm txhua pruning yuav tsum tsis txhob ntau tshaj ib nrab ntawm qhov siab ntawm cov nyom. Cov nyom feem ntau khaws cia 2-5 cm siab.
3. Nitrogen, phosphorus, thiab potassium granular sib xyaw chiv yuav tsum tau siv rau lub caij loj hlob. Nws yog feem ntau siv tom qab pruning thiab ua ntej sprinkling irrigation.
4. Cov nyom yuav tsum tsis txhob siv ntau dhau. Lub sijhawm siv thiab kev saib xyuas yuav tsum tau teev tseg, thiab nws yuav tsum tau qhib rau kev siv nyob rau hauv lem nyob rau hauv ib cheeb tsam sib txawv raws li niaj zaus.
5. Ua tib zoo saib xyuas kev tiv thaiv thiab tswj cov kab tsuag nyom. Rov ua dua lub sijhawm thiab hloov qhov necrotic.
