Horticulture, a text book for high schools and normals, including plant propagation; . catch therainfall. If no rains occur at first the compost should be wateredwell. If there is not enough manure ready to make a large compostheap at one time the area and height may be easily increasedafterward. Potato vines, corn stalks, tomato vines, cabbage stems, weedsand many other garden wastes may be added to the compost heapfrom time to tune. They will make good manure. Composted soil will be valuable in hotbeds, coldframes, seedbeds, and for any spot where very rich soil is wanted. FERTILIZER FORMULA
Horticulture, a text book for high schools and normals, including plant propagation; . catch therainfall. If no rains occur at first the compost should be wateredwell. If there is not enough manure ready to make a large compostheap at one time the area and height may be easily increasedafterward. Potato vines, corn stalks, tomato vines, cabbage stems, weedsand many other garden wastes may be added to the compost heapfrom time to tune. They will make good manure. Composted soil will be valuable in hotbeds, coldframes, seedbeds, and for any spot where very rich soil is wanted. FERTILIZER FORMULAS 291 Cautions in Using Manure.—If too much manure is placedunder tiie row or under the hill as sometimes practiced, theplants are Ukely to suffer from lack of moisture. This is worse indry seasons. The pad of manure under the plants may prevent therise of water through capillary action. The remedies are to make light applications more frequently andto thoroughly mix the manure with the soil by tillage manure is well rotted it does not have this injurious Fiu. 203.—Effect of fertilizing a neglected orchard. Yield of fertilized row 46 barrels,unfertilized row nine barrels. (Ohio Station.) COMMERCIAL FERTILIZERS Orchards and gardens, as well as field crops, often need plantfood supplied in the form of commercial fertilizers (Fig. 203).Conditions are so variable that no fixed formulas can be followedin all cases. Soils differ widely in composition, and plants differ intheir needs. Fertilizer formulas are expressions showing the percentagecomposition of the three main ingredients. It has nothing what-ever to say about the source of the materials used. A formula 292 LEGUMES AND FERTILIZERS good for Irish potatoes may be expressed 4-8-10, or 3-6-8. Inmost states of this country the first number indicates the number ofpounds of nitrogen (not ammonia) in each hundred pounds of themixed fertilizer. The middle number refers to the amount ofavailable phosphate
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectgardeni, bookyear1922
