o ha minh nham

+,Do co ti le dinh duong cao, de hoa tan va hieu qua nhanh phan dam, Kali dung de bon thuc la chinh. Phan dam, Kali cung co the bo lot nhung phai bon voi luong nho

+,Phan lan kho hoa tan nen dung de bon lot, de co thoi gian cho phan bon hoa tan

+,Phan hon hop NPK co the dung bon lot hoac bon thuc

Chuc ban hoc tot~

ban ei, ban nham de tai roi ban ei

day la mon toan nha ban ei

ko phai cong nghe nha ban ei

r-a-n

set,thit nhe,cat,thit nang

a,

=(-32,47) +68,12+32,47

= (-32,47+32,47)+68,47

=68,47

hay-hay-hay

minh muon lam phi hanh gia

+Vi minh muon kham pha the gioi rong lon ben ngoai khong gian, muon kham pha nhung hanh chua ai biet toi, muon kham pha nhung vi sao(hinh nhu minh tuong tuong qua muc hay sao y)

co cau j dau ma giup?!