Soil and tillage
Active soil reaction
Active soil reaction is the measure of the acidity or alkalinity of the soil solution, determined by the concentration of hydrogen ions.
Agronomy knowledge
Agronomist dictionary
Short and clear definitions of agronomic terms: soil cultivation, sowing, nutrition, plant protection, machinery, and crop storage.
All topics535
Soil and tillage55
Sowing and varieties55
Nutrition and fertilizers55
Crop protection55
Machinery and irrigation55
Storage and economics55
Growth and development55
Weather and climate55
Breeding and seed production55
Digital farming40
Terms in section: 4
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Soil and tillage
Aeration porosity
The fraction of soil volume that is filled with air instead of water, facilitating oxygen diffusion to plant roots and soil organisms.
Soil and tillage
Aggregate composition
Aggregate composition is the quantitative distribution of soil clumps (aggregates) of various sizes within the arable layer of the soil.
Soil and tillage
Agrophysical properties of soil
These are the physical characteristics of soil that determine its capacity to store water, provide aeration, and support root development for optimal plant grow...