Paper 1: | How farming is related to land, climate, crops, livestock, and markets; A broad survey of these factors in the different areas of BC | Paper 2: | The farmer's land; Acres and hectares; How soil is still made; What soil contains; Different kinds of soil from forests, grasslands, and peatbogs | Paper 3: | Water in the soil; Soil as a place to store rain water; Movement of water downwards and upwards through the soil; Needs of growing plants for soil water; Irrigation | Paper 4: | Air in the soil; Soil structure and pore spaces; Effects of weather and of farm cultivations on structure of soil; Using machinery and tractors | Paper 5: | Heat in the soil; Effects of temperature on plant growth; Heat from the sun and the effects of solar, slope, water content, and humus contents on soil temperature; Heat from soil bacteria and from the fall of dew; How heat moves through the soil, and how it is exchanged between soil and the atmosphere | Paper 6: | Food for farm crops made from materials in the air and in thesoil; How plants get compounds of nitrogen, phosphorus, and potassium from the soil, and the effects of these substances on the growth of farm crops | Paper 7: | Other plant food | ** This is a Print-on-Demand product; it is non-returnable. |