 | Connecticut. State Board of Agriculture - 1888 - 648 sivua
...capabilities of supplying food to crops. Different ingredients are deficient in different soils. 2. Plants differ widely with respect to their capacities...case depends upon the crop as well as upon the soil. 3. The chief use of fertilizers is to supply the plant-food which crops need and soils fail to furnish.... | |
 | Wilbur Olin Atwater - 1883 - 204 sivua
...than farm manures or artificial fertilizers. 6. Plants vary greatly with respect to their capabilities for gathering their food from soil and air. Hence...case depends upon the crop as well as upon the soil. 7. It may be regarded as pretty well settled that the only ingredients of plant food which we need... | |
 | New Jersey. Board of Agriculture - 1883 - 680 sivua
...farm manures or artificial fertilizers. ti. Plants vary greatly with respect to their capabilities for gathering their food from soil and air. Hence...case depends upon the crop as well as upon the soil. It is in supplying these that guano, phosphates, bone manures, potash salts, and most other commercial... | |
 | Massachusetts Horticultural Society - 1888 - 758 sivua
...gathering the ingredients from soil and air, and the effects of different fertilizers upon their growth. Hence the proper fertilizer in a given case depends upon the crop as well as upon the soil. 10. The only ingredients of plant food which we need to consider in commercial fertilizers are potash,... | |
 | Storrs Agricultural Experiment Station - 1889 - 1114 sivua
...capabilities of supplying food to crops. Different ingredients are deficient in different soils. 2. Plants differ widely with respect to their capacities...case depends upon the crop as well as upon the soil. 3. The chief use of fertilizers is to supply the plant-food which crops need and soils fail to furnish.... | |
 | 1903 - 426 sivua
...to select those that supply, in the best forms and at the lowest cost, the plant-food which the crop needs and the soil fails to furnish. Plants differ...fertilizer in a given case depends upon the crop as weir as upon the soil. The fertility of the soil would remain practically unchanged if all the ingredients... | |
 | Maine Agricultural Experiment Station - 1904 - 242 sivua
...to select those that supply, in the best forms and at the lowest cost, the plant-food which the crop needs and the soil fails to furnish. Plants differ...upon the soil. The fertility of the soil would remain practicallv unchanged if all the ingredients removed in the various farm products were restored to... | |
 | Daniel Coit Gilman, Harry Thurston Peck, Frank Moore Colby - 1906 - 902 sivua
...manures supply one or more of these constituents, which are known as the essential fertilizing elements. The fertility of the soil would remain practically...were restored to the land. This may be accomplished to a large extent by I feeding the crops grown on the farm to animals, carefully saving the manure... | |
 | Daniel Coit Gilman, Harry Thurston Peck, Frank Moore Colby - 1906 - 902 sivua
...manures supply one or more of these constituents, which are known as the essential fertilizing elements. The fertility of the soil would remain practically...were restored to the land. This may be accomplished to a large extent by I feeding the crops grown on the farm to animals, carefully saving the manure... | |
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... needs and the soil fails to furnish. Plants differ widely with respect to their capacities for gathering their food from soil and air; hence the proper fertilizer in a given case depends upon the crop as well as upon the soil. The fertility of the... 
