 ... 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
 | 1898 - 1076 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... | |
 | Nicholas Murray Butler - 1900 - 538 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... | |
 | Maine Agricultural Experiment Station - 1911 - 440 页
...for acclirraticn ; the analysis of soils and water ; the chemical composition of manures, natural and artificial, with experiments designed to test their...economic questions involved in the production of butter and cheese; and such other researches or experiments bearing directly on the agricultural industry... | |
 | West Virginia - 1911 - 1518 页
...water; the chemical composition of manures, natural or artificial, with experiments designed to teet the comparative effects on crops of different kinds; the...different kinds of food for domestic animals; the seientlflc and economic questions Involved in the production of butter and cheese; and such other researches... | |
 | George Walter Fiske - 1912 - 334 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, et cetera." As a result of this and later laws, over three millions of dollars are now... | |
 | George Walter Fiske - 1912 - 334 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, et cetera." As a result of this and later laws, over three millions of dollars are now... | |
 | George Walter Fiske - 1912 - 336 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, et cetera." As a result of this and later laws, over three millions of dollars are now... | |
 | West Virginia. Board of Regents - 1912 - 96 页
...new plants or trees for acclimation; the analysis of soils ajid water; the chemical composition of manures, natural or artificial, with experiments designed...comparative effects on crops of different kinds; the adaption and value of grasses and forage plantt; the composition and digestibility of the different... | |
 | State Board of Control of West Virginia, West Virginia. State Board of Control - 1912 - 486 页
...with experiments designed to test their comparative effects on crops of different kinds; the adaption and value of grasses and forage plants; the composition and digestibility of the different kinds of foods for domestic animals; the scientific and economic questions involved in the production of butter... | |
 | United States - 1913 - 456 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...of grasses and forage plants; the composition and digestibilit}7 of the different kinds of food for domestic animals; the scientific and economic questions... | |
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