Таны хайлт доторх Санал болгосон сэдвүүд.
Таны хайлт доторх Санал болгосон сэдвүүд.
- Atmosphere 1
- Climate 1
- Earthquakes 1
- Erosion 1
- Geography 1
- Physical geography 1
- Solar system 1
- मृदा अपरदन 1
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A Discription of devices used in the study of wind erosion of soils
Хэвлэсэн 1984Нөхцлүүд: “…Erosion…”
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3
A discription of devices used in the study of wind erosion of soils
Хэвлэсэн 1984Нөхцлүүд: “…Erosion…”
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4
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5
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6
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7
Conserve your soil: A simple guide to soil erosion
Хэвлэсэн 1939Нөхцлүүд: “…Soil science, soil erosion, menace of soil erosion, how soil erosion occurs, factors influencing erosion, control of water erosion in agricultural areas, how to prevent erosion in orchards, erosion by wind in agricultural areas, etc,…”
Ном -
8
A world tour for the study of soil erosion control methods
Хэвлэсэн 1938Нөхцлүүд: “…Soil erosion…”
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9
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10
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11
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12
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13
Soil Conservation Fully Revised and Updated;
Хэвлэсэн 2015Нөхцлүүд: “…Man and Soil Erosion; The Mechanics of Erosion; The Physics of rainfall;…”
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14
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15
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16
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A methodology for erosion hazard mapping of the SADCC Region : paper prepared for the workshop on erosion hazard mapping Lusaka, Zambia, April 1987
Хэвлэсэн 1987Нөхцлүүд: “…Erosion…”
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18
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19
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20
Handbook of Erosion control engineering on the national forests
Нөхцлүүд: “…Hydraulics of erosion control…”
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