| Maine Agricultural Experiment Station - 1915 - 420 էջ
..."It shall be the object and duty of said experiment stations to conduct original researches or verify experiments on the physiology of plants and animals;...their different stages of growth ; the comparative advantage of rotative cropping as pursued under a varying series of crops ; the capacity of new plants... | |
| West Virginia - 1915 - 1476 էջ
...conduct original researches or verify experiments on the physiology of plants and animals; the disease to which they are severally subject, with the remedies for the same; the chemical composition or useful plants at their different stages of growth; the comparative advantages of rotative cropping... | |
| Merritt Caldwell Fernald - 1916 - 540 էջ
..."It shall be the object and duty of said experiment stations to conduct original researches or verify experiments on the physiology of plants and animals;...water; the chemical composition of manures, natural and artificial, with experiments designed to test their comparative effects on crops of different kinds;... | |
| United States. Department of Agriculture. States Relations Service - 1916 - 48 էջ
...it shall be the object and duty of said experiment stations to conduct original researches or verify experiments on the physiology of plants and animals;...comparative advantages of rotative cropping as pursued under the varying series of crops; the capacity of new plants or trees for acclimation; the analysis of soils... | |
| 1916 - 412 էջ
..."It shall be the object and duty of said experiment stations to conduct original researches or verify experiments on the physiology of plants and animals;...their different stages of growth; the comparative advantage of rotative cropping as pursued under a varying series of crops; the capacity of new plants... | |
| Maine Agricultural Experiment Station - 1916 - 854 էջ
...plants at their different stages of growth; the comparative advantage of rotative cropping ypursued under a varying series of crops ; the capacity of...trees for acclimation ; the analysis of soils and wale; : the chemical composition of manure, natural and artificial, with experiments designed to test... | |
| United States. Congress. House. Committee on Agriculture - 1916 - 638 էջ
...it shall be the object and duty of said experiment stations to conduct original researches or verify experiments on the physiology of plants and animals...which they are severally subject, with the remedies of the same ; the chemical composition of useful plants at their different stages of growth ; the comparative... | |
| Edward Wiest - 1916 - 332 էջ
...it shall be the object and duty of said experiment stations to conduct original researches or verify experiments on the physiology of plants and animals...which they are severally subject with the remedies of the same; the chemical composition of useful plants at their different stages of growth ; the comparative... | |
| Glen Levin Swiggett - 1916 - 934 էջ
...it shall be the object and duty of said experiment stations to conduct original researches or verify experiments on the physiology of plants and animals;...which they are severally subject, with the remedies of the same; the chemical composition of useful plants at their different stages of growth ; the comparative... | |
| 1916 - 900 էջ
...advantage of rotative cropping a? pursued under a varying series of crops ; the capacity of newplants or trees for acclimation ; the analysis of soils and water : the chemical composition of manure, natural and artificial, with experiments designed to test their comparative effects on crops... | |
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