. Plant food; : its nature, composition and most profitable ver, dry. .. Corn Grapes Hops . .. Mixed Hay. . Oats Onions Pears Peas Plums Potatoes Rye Sugar .Timothy Tobacco Tomatoes Turnips Wheat Yield. 15 tons 30 bu. 30 34 30 tons 70 tons600 lbs. 60 ,000 lbs16 tons30 tons200 bu. 30 15 tons 1,600 lbs. 10 tons700 bu. 35 StraWy etc. 2,000 ,700 2,800 15 tons2 6,000 ,000 2,700 5,000 3,200 3,000 lbs. 1,50c ,250 6,000 4,000 1,400 stems 5 tons3,000 lbs. Nitro-s^en. 39 lbs. 57 75 56 200 * 130 82 83 32 84 70 - 55 72 32 108 * 30 * 46 51 69 89 * 76 32 80
. Plant food; : its nature, composition and most profitable ver, dry. .. Corn Grapes Hops . .. Mixed Hay. . Oats Onions Pears Peas Plums Potatoes Rye Sugar .Timothy Tobacco Tomatoes Turnips Wheat Yield. 15 tons 30 bu. 30 34 30 tons 70 tons600 lbs. 60 ,000 lbs16 tons30 tons200 bu. 30 15 tons 1,600 lbs. 10 tons700 bu. 35 StraWy etc. 2,000 ,700 2,800 15 tons2 6,000 ,000 2,700 5,000 3,200 3,000 lbs. 1,50c ,250 6,000 4,000 1,400 stems 5 tons3,000 lbs. Nitro-s^en. 39 lbs. 57 75 56 200 * 130 82 83 32 84 70 - 55 72 32 108 * 30 * 46 51 69 89 * 76 32 80 59 Potash. 60 lbs 51 53 40 270 140 88 55 39 53 7762 7226 5240 74 45143 94200 54180 3T Phospkifii Acid, 30 lbs173014 70 401848II 2318 22 3710 421 26 32 2316 20 5224 ^Crimson Clover. 38 PLANT FOOD. The above table may safely be used in computing theprobable draught on the soil for each of the crops men-tioned. It must be understood, however, that for fruits, thedemand for fertilizer for the annual wood growth, and forthe leaves and pruned twigs is not Showijsg Effect of Fertilizers on Cow Peas.—Vine in right hand, FROM unfertilized PORTION OF THE FIELD; ViNE IN LEFT hand, from fertilized Experiment Farm, Southern Pines. N. C. PART FOR DIFFERENT CROPS. In making fertilizer mixtures, it was first proposed tomake the ingredients correspond to the analysis of the method was practiced for some time, but it was foundthat there was already in the soil more or less availableplant-food and that fertilizing material was often appliedwhere one or more constituents could be omitted or reducedin quantity. It was then suggested that soil analysis shouldform the basis of determining the needs of the soil for dif-ferent crops, but this failed to produce satisfactory formulas at present used by many have been based, inpart, upon the composition of the plant, and, in part, uponactual field tests. The amount of nitrogen called for by analysi
Size: 1659px × 1505px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidpl, booksubjectfertilizers
