00715nam a22001577a 4500 OSt 20150917112355.0 150917b xxu||||| |||| 00| 0 eng d RUA AGR PHA 2005 B030 Or.1 666 PHAT, CHANDY. effect of duration of weed competition on corn (zea mays) yield at royal university of agriculture (ឥទ្ធិពលថេរវេលានៃការប្រណាំងប្រជែងនៃ ស្មៅលើទិន្នផលពោត នៅក្នុងសាកលវិទ្យសាល័យភូមិន្ទកសិកម្ម) Phnom Penh RUA 2005 60p. ill. 29cm. ddc AGR 643 643 0 0 ddc 0 AGR_PHA_2005_000000000000000_B030_OR_1 0 2789 LBB LBB B030 2015-09-17 1 AGR PHA 2005 B030 Or.1 RUA002441 2019-12-09 2019-11-22 2015-09-17 AGR 0 0 ddc 0 AGR_PHA_2005_000000000000000_B030_OR_2 0 2790 LBB LBB B030 2015-09-17 1 AGR PHA 2005 B030 Or.2 RUA002370 2017-10-02 2017-09-27 2015-09-17 AGR