 | 1896 - 818 頁
...crops ; the capacity of new trees or plants for acclimation ; the analysis of soils and waters ; the chemical composition of manures, natural or artificial,...crops of different kinds ; the adaptation and value of forage plants and grasses ; the composition and digestibility of the different kinds of foods for domestic... | |
 | Connecticut. State Board of Agriculture - 1888 - 648 頁
...crops ; the capacity of new planls or trees for acclimation ; the analysis of soils and water ; the chemical composition of manures, natural or artificial,...the scientific and economic questions involved in the production of butter and cheese ; and such other reseaches or experiments bearing directly on the... | |
 | United States. Bureau of Education - 1890 - 372 頁
...crops ; the capacity of new plants or trees for acclimation ; the analysis of soils and water; the chemical composition of manures, natural or artificial,...the scientific and economic questions involved in the production of butter and cheese ; and such other researches or experiments bearing directly on... | |
 | New Hampshire. Department of Agriculture - 1888 - 476 頁
...crops; the capacity of new plants or trees for acclimation ; the analysis of soils and water ; the chemical composition of manures, natural or artificial,...the scientific and economic questions involved in the production of butter and cheese; and such other researches or experiments bearing directly on the... | |
 | Pennsylvania. State Board of Agriculture - 1888 - 730 頁
...represented by the climate of the several stations and their vicinity ; the analysis of soils and water ; the chemical composition of manures, natural or artificial,...the scientific and economic questions involved in the production of butter and cheese; and such other researches and experiments bearing directly on... | |
 | John Michels (Journalist) - 1889 - 540 頁
...with experiments designated to test their comparative effects on crops of different kinds ; . . . the value of grasses and forage plants ; the composition...kinds of food for, domestic animals ; the scientific . . . questions involved in the production of butter and cheese ; and such other researches or experiments... | |
 | Michigan. State Board of Agriculture - 1884 - 482 頁
...represented by the climate of the several stations and their vicinity; the analysis of soils and water; the chemical composition of manures, natural or artificial,...the scientific and economic questions involved in the production of butter and cheese; and such other researches or experiments bearing directly on the... | |
 | 1891 - 866 頁
...crops ; the capacity of new trees or plants for acclimation ; the analysis of soils and water ; the chemical composition of manures, natural or artificial,...their comparative effects on crops of different kinds ; and other researches or experiments bearing directly on the agricultural industry of the United States."... | |
 | Michigan. State Board of Agriculture - 1884 - 504 頁
...represented by the climate of the several stations and their vicinity; the analysis of soils and waters; the chemical composition of manures, natural or artificial,...with experiments designed to test their comparative values for raising crops of different kinds; the composition and digestibility of the different kinds... | |
 | Rhode Island. Board of Agriculture - 1898 - 448 頁
...of crops; the capacity of new plauts or trees for acclimation; the analysis of soils and waters; the chemical composition of manures, natural or artificial,...the scientific and economic questions involved in the production of butter and cheese; and such other researches or experiments bearing directly on the... | |
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... 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... 
