 ... the chemical composition of useful plants at their different stages of growth ; the comparative advantages of rotative cropping as pursued under a varying series of crops; the capacity of new plants or trees for acclimation ; the analysis of soils...  Biennial Report - 第73页1889全本阅读 - 图书信息
 | 1891 - 1144 页
...soils and water: the chemical compositions of manures, natural or artificial, with experimentdesigned to test their comparative effects on crops of different...forage plants ; the composition and digestibility i>! the different kind* of food for domestic animals ; the scientific and economic que?tions involved... | |
 | Association of American Agricultural Colleges and Experiment Stations - 1891 - 886 页
...States less elaborate, though important and useful work, ia in progress. IV. The chemical composition of manures (natural or artificial), with experiments...their comparative effects on crops of different kinds. — Studies in this line are no longer confined to the older stations of the Eastern and Southern States,... | |
 | New Hampshire College of Agriculture and the Mechanic Arts - 1892 - 316 页
...series of crops ; the capacity of new plants or trees for acclimation ; the chemical composition of manures, natural or artificial, with experiments designed...economic questions involved in the production of butter and cheese ; and such other researches or experiments bearing directly on the agricultural industry... | |
 | Washington Agricultural Experiment Station - 1892 - 344 页
...of new plants or trees for acclimation; the analysis of soils and water; the chemical composition of manures, natural or artificial, with experiments designed...economic questions involved in the production of butter and cheese; and such other researches or experiments bearing directly on the agricultural industry... | |
 | Richard Gause Boone - 1892 - 480 页
...with experiments designed to test their comparative effects on crops of different kinds ; the adoption and value of grasses and forage plants; the composition...economic questions involved in the production of butter and cheese ; and such other researches and experiments bearing directly on the agricultural industry... | |
 | University of Vermont - 1892 - 1000 页
...composition of manures, natural or artificial, with experiments designed to test their com]wrative effects on crops of different kinds ; the adaptation...value of grasses and forage plants ; the composition .mil digestibility of the different kinds of food for domestic animals ; the scientific and economic... | |
 | Rutgers University. College of Agriculture - 1893 - 680 页
...new plants or trees for acclimation ; the analysis of soils and water; the chemical composition of manures, natural or artificial, with experiments designed...economic questions involved in the production of butter and cheese, and such other researches or experiments bearing directly on the agricultural industry... | |
 | 1893 - 560 页
...new plants or trees for acchniation; the analysis of soils and waters; the chemical composition of manures, natural or artificial, with experiments designed...for domestic animals; the scientific and economic question involved in the production of butter and cheese; and such other researches or experiments... | |
 | Nevada. Legislature - 1893 - 1220 页
...water; tho chomioal composition of manures, natural or artificial, with experiments designed to tost their comparative effects on crops of different kinds...adaptation and value of grasses and forage plants ; tho composition and digestability of the different kinds of food for domestic animals; the scientific,... | |
 | Washington State University - 1894 - 100 页
...of new plants or trees for acclimation; the analysis of soils and water; the chemical composition of manures, natural or artificial, with experiments designed...economic questions involved in the production of butter and cheese; and such other researches or experiments bearing directly on the agricultural industry... | |
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