Transpiration ratio
The transpiration ratio is the amount of water in grams required by a plant to produce one gram of dry matter.
Также говорят: water-use efficiency, water requirement of crops
This metric serves as a key indicator of water-use efficiency in crops. Agronomists utilize it to assess yield potential in specific climates and to design effective irrigation management strategies.
The ratio varies based on plant species, soil fertility, and environmental factors such as humidity and temperature. Selecting varieties with a lower transpiration ratio is a primary strategy for increasing drought tolerance in farming operations.
A common mistake is neglecting the role of plant nutrition in water regulation. Proper nutrient management, particularly with potassium, can optimize stomatal conductance and improve the overall water-use efficiency of the crop.