Musim panas lan musim gugur minangka musim sing akeh kena hama.Dheweke ngasilake kanthi cepet lan nyebabake karusakan serius.Sawise pencegahan lan kontrol ora ditindakake, kerugian serius bakal disebabake, utamane cacing beet, Spodoptera litura, Spodoptera frugiperda, Plutella xylostella, cotton bollw ...
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