phosphorus and potassium fertilizer ratio
Physiological basic fertilizer
Quantity of basic fertilizer
axial compression ratio and slenderness ratio
application of organic fertilizer combined with chemical fertilizer
Nitrogen fertilizer combined with potassium fertilizer
organic fertilizer and chemical fertilizer
organic fertilizer plus inorganic fertilizer
(the ratio of )volumetric strain
(the ratio of)shear strain
~(99m)Tc and ~(99)Mo intensity ratio
a ratio of height to thick