Annual Report of the Agricultural Experimental Station, University of Illinois ..., Volumes 43-44 |
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Page 30
... superphosphate on corn , the yields averaging about 7 bushels an acre higher . Commercial value of rock phosphate and superphosphate fertilizers has long been known . The relative effectiveness of phosphorus in these two carriers is not ...
... superphosphate on corn , the yields averaging about 7 bushels an acre higher . Commercial value of rock phosphate and superphosphate fertilizers has long been known . The relative effectiveness of phosphorus in these two carriers is not ...
Page 250
... Superphosphate . 800 Lime .. ( 3 ) Superphosphate . 800 888 86 87 Raw rock phosphate ... 2 000 77 028 90 93 85 105 126 75 81 ∞∞ 78 98 120 129 78 65 105 100 888 91 88 78 Manure . ( 10 ) Superphosphate . 800 46 97 110 135 120 120 130 ...
... Superphosphate . 800 Lime .. ( 3 ) Superphosphate . 800 888 86 87 Raw rock phosphate ... 2 000 77 028 90 93 85 105 126 75 81 ∞∞ 78 98 120 129 78 65 105 100 888 91 88 78 Manure . ( 10 ) Superphosphate . 800 46 97 110 135 120 120 130 ...
Page 30
... Superphosphate , 280 pounds . 32.0 3.94 43.1 75.9 4.15 44.6 Treble superphosphate , 140 pounds . 35.4 3.77 46.1 81.9 4.31 49.0 None .. 24.5 2.86 27.6 70.7 3.62 32.6 Rock phosphate , 250 pounds . 24.1 3.50 31.0 80.6 4.24 39.2 Rock ...
... Superphosphate , 280 pounds . 32.0 3.94 43.1 75.9 4.15 44.6 Treble superphosphate , 140 pounds . 35.4 3.77 46.1 81.9 4.31 49.0 None .. 24.5 2.86 27.6 70.7 3.62 32.6 Rock phosphate , 250 pounds . 24.1 3.50 31.0 80.6 4.24 39.2 Rock ...
Contents
ADMINISTRATION | 6 |
SOILS AND CROPS 1068 | 10 |
LIVESTOCK INVESTIGATIONS 69112 | 69 |
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Agricultural Agronomy alfalfa altho amount Animal Husbandry annual apple applied average barley breeding bushels an acre calves cattle cooperation corms cost cottonseed meal cream crop Dairy Husbandry diet disease Economics effect eggs factors Farm Mechanics farmers feed fertilizers Fowler's solution fruit further studies grain growers grown growth harvesting hemoglobin hogs Horticulture Illinois Illinois Natural History improvement income increase insects jointers labor legumes lime lime sulfur limestone livestock loss manure meal method milk Natural History Survey nitrogen noncalcareous subsoils oats obtained Olericulture orchard pasture peach percent percentage perct phosphorus pigs plants plots plowed Pomology Poultry pounds production protein pruning ration red clover reported rock phosphate rotation season seed shelled corn silage soil treatment soybeans spray strains sulfur superphosphate sweet clover TABLE tests thru tikitiki tractor trees varieties vitamin vitamin G wheat winter yield