KURSUS INI MERANGKUMI CIRI FIZIKO-KIMIA, DEGRADASI DAN KESAN SISA RACUN HERBA DAN TINDAK BALAS TUMBUHAN TERHADAP RACUN HERBA. FAKTOR YANG MEMPENGARUHI KEBERKESANAN RACUN HERBA JUGA DIBINCANGKAN(THIS COURSE COVERS PHYSICO-CHEMICAL CHARACTERISTICS, DEGRADATION AND RESIDUAL EFFECTS OF HERBICIDE AND PLANT RESPONSE TO HERBICIDE. FACTORS AFFECTING EFFICACY OF HERBICIDE ARE DISCUSSED)