GIUP MINH VOI.
D.HOAT DONG VAN DUNG.
1,Tim hieu ve chu trinh song cua ruoi, muoi va viet 1 bao cao ngan khoang 300 den 500 tu ve chu trinh song cua ruoi, muoi. Giai thich vi sao phai tieu diet ruoi , muoi o nhung giai doan khac nhau?
2,Hay giai thich vi sao nguoi ta thuong thu hoach ca sau mot nam ma khong cho ca lon hon?
3,Hay tien hanh thi ngiem chung minh su sinh truong va phat trien cua thuc vat chiu anh huong cua anh sang.Viet lai qua trinh thuc hien va phan tich ket qua thi nghiem.
4,Thiet ke thi nghiem tim hieu ve anh huong cua phan dam doi voi su sinh truong va phat trien cua cay rau cai hoac cay dau.
GIUP MINH VOI PLEASE .MAI MINH PHAI KIEM TRA GAP RUI.
