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Plant Nutrition Revision

A form of N which may accumulate in soils and is toxic to plants
May be applied to lower pH
Often shows up as burnt patches on leaves and fruits
Potassium is involved in the opening and closing of these
Toxicities occur more frequently in this plant production industry
These types of nutrients show deficiencies in the older leaves first
A deficiency may cause yellowing from leaf margins while veins remain green
Too much of one or more nutrients
High salinity may cause plants to do this
Loss of green colouration in leaves
These are needed in small amounts by plants
Nutrients vary in this at different pH levels
May be added to increase pH
Less micronutrient availability in this pH range
An ion has gained or lost one or more of these
Has a low cation exchange capacity
A deficiency of this nutrient may result in Blossom End Rot in tomatoes
Bacteria which can fix atmospheric nitrogen
A fertiliser high in nitrogen
May be applied to fix dispersive soils
The concentration of sodium in a soil
A charged atom
Important in producing quality flowers and fruit
The process by which ammonium is converted into nitrate
Has the atomic number 15
Becomes soluble at a low pH and is toxic to most plants
Special roots found in Proteaceae species
Fungi which develop a symbiotic relationship with plant roots
Deficiency of this nutrient results in yellowing of leaves, beginning in the new growth
May be applied to fix nutrient deficiencies
A positively charged ion
Clay particles often have this charge
Microorganisms convert organic matter into this form
A form of nitrogen which may be taken up by plants
Death of cells
Movement of water from a low to higher solute concentration
You can get blue hydrangeas in these soils