A Resource Hub For Young Agriculturists
Effect of soil temperature on plant growth and nutrition There are various influences of soil temperature on soil fertility by changing the soil environment which in turn affect plant growth. …
Factors affecting soil temperature The temperature a soil attains depends on (a) heat supply—how much heat reaches the soil surface and (b) dissipation of heat—what happens to that heat within …
Sources of soil heat There are various sources of soil heat namely, solar radiation, biochemical reactions, conduction, precipitation, exposure and vegetation etc. (i). Solar radiation Radiant energy from …
Weathering of rocks and minerals (Physical and Chemical): Weathering is a natural process of breakdown and transformation of rocks and minerals into unconsolidated residues, called regolith. Regolith is lying on …
Secondary Thickening of Cell wall Secondary thickening of the cell-wall may be more or less uniform all-round the cell and almost always has a stratified appearance. But in those …
Particle density vs bulk density Particle density Bulk density 1. The weight per unit volume of solid portion of soil is called particle density. 1. The weight per unit bulk …
Difference between Soil texture and Soil structure Soil texture Soil structure 1. Soil texture refers to the relative proportion of sand, silt and clay. 1. Soil structure refers …
Comparative characteristics of sand silt and clay Sl. Characteristics Sand Silt Clay 1. Size 2.0-0.02 mm 0.02-0.002 mm Below 0.002 mm 2. Visibility Visible by microscope Visible by microscope Visible …
Primary minerals vs Secondary minerals Primary minerals Secondary minerals 1. They are formed in the cooling and solidification of molten mass. 1. They are formed by weathering of primary minerals. …
The difference among Igneous rocks sedimentary rocks and metamorphic rocks Igneous rocks Sedimentary rocks Metamorphic rocks 1. Formed by solidification of molten magma on cooling. 1. Formed by the consolidation …