000			00613nam a22001577a 4500
003			OSt
005			20150923141712.0
008			150923b xxu||||| |||| 00| 0 eng d
040			_cRUA
082			_aAGR PHE 2010 B046 Or.1
100			_91187 _aPHEAP, SAMBO
245			_aEffect of direct seeding mulch-based cropping system on nitrogen content in the soil ឥទ្ទិពលប្រព័ន្ធដាំដុះលើដំណាំគម្របដីលើបរិមាណអាសូតក្នុងដី
260			_aPhnom Penh _bRUA _c2010
300			_aix, 40p. _bill. _c29cm.
942			_2ddc _cAGR
999			_c1131 _d1131