"Plant food" Quotes from Famous Books
 ... that the soil of these naturally barren valleys was poor, but such is not the case. The ground did not lack plant food, but merely the water to make this food available. With plenty of water the most luxuriant vegetation is produced. The soil is, indeed, frequently richer than in well-watered regions, for a lavish supply of water carries away a ...
— The Western United States - A Geographical Reader • Harold Wellman Fairbanks
... beneath. The crude sap, bearing in solution the various organic matters which the roots have extracted from the soil, ascends by the outer layer of wood immediately beneath the bark to the leaves, where it is elaborated into plant food. When this layer is cut through, the food supply is immediately stopped, and the tree dies. The operation of ringing is best done during the winter, when the sap is down, and if properly performed at the right time the ...
— Australia The Dairy Country • Australia Department of External Affairs |
