nmm a22 7a 4500 0 0 alc 0 0 ENAL ENAL 2019-10-09 0 CD-5421 CD0005421 2019-10-09 00:00:00 2019-10-09 ETH 64954 64954 190916s2017 ua a||fqsmd|| 00| 0enggdd EAL EAL eng ara CD-5421 Yousef, Wael Mostafa Aref Mohamed 27750 Effect of weed competition and its chemical control methods on the productivity and quality of maize (Zea mays L.) [electronic resource] / Wael Mostafa Aref Mohamed Yousef تأثير منافسة الحشائش ومكافحاتها بالطرق الكيميائية علي الانتاجية والجودة في الذرة الشامية 2017. text file PDF Thesis (Ph.D.) -- Assuit University, 2017. Includes bibliographical references (Leaves 154-167) Systems requirements : Adobe Reader Summary in Arabic Corn Quality 27751 Corn Weed control 29542 http://nile.enal.sci.eg/thesis/5421.pdf Content & Abstract name: Naglaa alc E-Thesis