GLOSSARY 



Stamen, that part of a flower which bears the pollen. 



Stigma, the part of the pistil which receives the pollen. 

 . Stomata, breathing pores in plants. 



Subsoil, that part of the soil which lies beneath the soil 

 that is worked with the tillage tools. 



Sap root, a main root that runs straight down into the 

 soil. 



Tillage, stirring the soil. 



Transpiration, the giving off of water from plants. 



Tubercle, a small nodular growth on the roots of plants. 



Under drainage, drainage from below. 



Vitality of seeds, the ability of seeds to grow. 



