Soils regularly amended with compost or natural organic fertilizers generally contain sufficient boron for strawberries. Y EAR OF P LANTING About two weeks before planting, incorporate 2 lbs. of 5â10â10 (or equivalent) for each 100 square feet of planting bed.
The main circuit board in a computer that connects together all of the individual components that comprise the system unit. The mother board typically provides slots to hold the processor, RAM memory, and expansion cards. It also provides all of the circuitry (busses) to connect the components to the main processor.
A basic building block of the PCB is an FR-4 panel with a thin layer of copper foil laminated to one or both sides. In multi-layer boards multiple layers of material are laminated together. Printed circuit boards are used in all but the simplest electronic products.