. Plant food; : its nature, composition and most profitable Grapes, with medium —Experiment Pines, N. Grapes, with heavy fertilization—Experiment Farm,Southern Pines, N. C. 56 PLANT FOOD. Nitrogen. AvailablePhosphoric Acid Potash. Pounds materials per to 100 lbs. nitrate of soda, or40 to 80 sulph. of ammo., or80 to 160 dried-blood. 250 to 500 lbs. acid phosphate, 01200 to 400 * dissolved bone, or300 to 600 bone-meal. 90 to 180 lbs. muriate, or90 to 180 sulphate, or350 to 700 kainit. Suggestions, Much of the nitrogen can be supplied bygrowing clove
. Plant food; : its nature, composition and most profitable Grapes, with medium —Experiment Pines, N. Grapes, with heavy fertilization—Experiment Farm,Southern Pines, N. C. 56 PLANT FOOD. Nitrogen. AvailablePhosphoric Acid Potash. Pounds materials per to 100 lbs. nitrate of soda, or40 to 80 sulph. of ammo., or80 to 160 dried-blood. 250 to 500 lbs. acid phosphate, 01200 to 400 * dissolved bone, or300 to 600 bone-meal. 90 to 180 lbs. muriate, or90 to 180 sulphate, or350 to 700 kainit. Suggestions, Much of the nitrogen can be supplied bygrowing clover between the rows and turning under. Ex-cessive use of stable-manure is believed to produce a growthof weakened vitality, not able readily to withstand attacksof fungous diseases. Once in a few years, lime may beapplied to advantage. GRASS FOR PASTURES. Use per acre from 750 to 1,500 pounds of the followingfertilizer: . Nitrogen 2 per cent. Available Phosphoric 8 Potash 10 Instead of the above the following materials may beused which will furnish equivalent quantities of nitrogen,phosphoric acid and potash respectively: Poun
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