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Penyata Tiga-tahun Bahagian Parit Dan Taliair, Kementerian Pertanian Dan Syarikat Kerjasama, Malaysia Bagi Tahun-tahun ... (mar the Years ... (majalah)

Field Evaluation of Tile Drain Filters in a Humid Region Soil

They had been run through a mechanical sheller and ranged in length from 1 to 4
- inches. At the time of application, the tile line was covered to a depth of about 6
inches. E. Wheat Straw: Straw from the previous season's crop was used to fill ...