00663nam a22001577a 4500 OSt 20150925094215.0 150925b xxu||||| |||| 00| 0 eng d RUA AGR SE 2012 B052 Or.1 1304 SE SOKLEAP Effect of direct seeding mulch-based cropping system on phosphorus and potassium the soil,(ឥទ្ធិពលនៃប្រព័ន្ធដំាដុះដំណាំគំរបដីលើកំរិតផូស្វ័រ និង ប៉ូតាស្យូមក្នុងដី) phnom penh RUA 2012 xii, 49p. ill. 29cm. ddc AGR 1235 1235 0 0 ddc 0 AGR_SE_2012_000000000000000_B052_OR_1 0 5155 LBB LBB B052 2015-09-25 4 AGR SE 2012 B052 Or.1 RUA004770 2019-11-05 2019-10-12 2015-09-25 AGR 0 0 ddc 0 AGR_SE_2012_000000000000000_B052_OR_2 0 5156 LBB LBB B052 2015-09-25 4 AGR SE 2012 B052 Or.2 RUA005972 2024-05-08 2024-05-02 2015-09-25 AGR