Topics: Soil survey, land use planning, detailed soil survey, reconnaissance soil survey, soil formation, Crocker's equation, climosequence, land evaluation, land characteristics, land qualities, land improvement, optimum cassava production

Topics: soil, soil management, soil productivity, water drainage, irrigation

Topics: rock, pedeogenesis, soil, soil formation, soil temperature

Topics: erosion control, crop rotation, organic matter maintenance, mulching systems, soil acidity, soil moisture tension, drainage, irrigation systems

Topics: Soil plants, energy balance Principles, hydrostatic potential, capillary potential, hygroscopic potential, surface tension, soil moisture stress, wetting front, saturation capacity, field capacity, moisture equivalent, wilting coefficient, wilting range, available water, matrix potential, gravitational potential, solute potential, pressure potential, saturated condition, dry condition, transpiration, evapotranspiration

Topics: clay, minerals, nutrient, soil, fertilizer

Topics: Soil cartography, contour, drainage, map, database management, spatial data, digital image processing, raster data, vector data

Topics: Soil conservation engineering, water conservation engineering, site reclamation, Bouyoucos equation, erosion prediction, open channel design, Earth dam, trapezoidal channel, Pond, pond volume, pond capacity, pond diameter, pond depth

Topics: Lagrange, oscillator, newton, Hamiltonian, Euler, Variational principle, rigid body, mechanics

Topics: electron, wave function, correspondence principle, free particle, Heisenberg, uncertainty principle, energy, quantum mechanics, hernitian operator, eigen