It's because of the use of superphosphate that improves the pasture but discourages mushrooms.
To give your Agapanthus a boost, sprinkle a handful of superphosphate around each clump in early spring.
As your sweet peas begin to grow, sprinkle a little superphosphate over the bed and water well in.
I use the same soil for all stages of poinsettia growth, made up of equal parts of compost and sandy topsoil sifted together with several handfuls of superphosphate added to each bushel of mixture.
If squirrels dig in your beds, add a little superphosphate instead of bone meal.
Now is the time to add any of the soil amendments, such as bone meal, blood meal, or superphosphate , that provide a slow, continuous supply of phosphorus.
Overuse of superphosphate chemicals in the farming industry have given this element a bad name, but used sparingly in the home garden is it a vital plant growth stimulant.
The plane, which was carrying superphosphate , was extensively damaged.
The use of superphosphate in manure to prevent nitrogen losses by reducing pH is not usually recommended because the added phosphorus is not necessary or desirable when poultry manure is used as a fertilizer.
Add about one-half pound of superphosphate to each bushel of organic material applied to the soil.