000 00602nam a22001337a 4500
040 _cRUA
082 _aAGR PHE 2010 B044 Or.1
100 _aPHEAP, SAMBO.
245 _aEffect of direct seedling mulch-based cropping system on nitrogen content the soil ឥទ្ធិពលប្រព័ន្ធដាំដុះលើដំណាំគម្របដីលើបរិមាណអាសូតក្នុងដី
260 _aPhnom Penh
_bRUA
_c2010
300 _aix; 40p.
_bill.
_c29cm.
856 _uhttps://drive.google.com/file/d/1a8ghY4ZE4s9uToqUGchptWEUrlj2_C5n/view?usp=sharing
942 _cAGR
999 _c1097
_d1097