 ... 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 and...  Congressional Serial Set - 第 239 頁1905完整檢視 - 關於此書
 | 1896 - 818 頁
...of new trees or plants for acclimation ; the analysis of soils and waters ; the chemical composition of manures, natural or artificial, with experiments...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
...of new planls or trees for acclimation ; the analysis of soils and water ; the chemical composition of manures, natural or artificial, with experiments...the production of butter and cheese ; and such other reseaches or experiments bearing directly on the agricultural industry of the United States as may... | |
 | United States. Bureau of Education - 1890 - 372 頁
...of new plants or trees for acclimation ; the analysis of soils and water; the chemical composition of manures, natural or artificial, with experiments...such other researches or experiments bearing directly on the agricultural industry of the United States as may be in each case deemed advisable, having due... | |
 | United States. Bureau of Education - 1889 - 1252 頁
...capacity of new plants or trees for acclimation; the analysis of soils and wuter; the chemical composition of manures, natural or artificial, with experiments...and forage plants: the composition and digestibility ot I In- different kinds of food for domestic animals; the scientific and economic questions involved... | |
 | United States. Bureau of Education - 1889 - 1242 頁
...analysis of soils nnd water; the chemical composition of manures, natural or artificial, with experimenta designed to test their comparative effects on crops...and forage plants; the composition and digestibility ol the different kinds of food for domestic animals; the scientific and economic questions involved... | |
 | United States. Bureau of Education - 1895 - 982 頁
...artificial, with experiments designed to lest their comparative effects on crops of different kinds; tho adaptation and value of grasses and forage plants;...different kinds of food for domestic animals; the ecieutilic and economic questions involved in tho production of butter and cheese; and such other researches... | |
 | New Hampshire. Department of Agriculture - 1888 - 476 頁
...of new plants or trees for acclimation ; the analysis of soils and water ; the chemical composition of manures, natural or artificial, with experiments...such other researches or experiments bearing directly on the agricultural industry of the United States as may in each case be deemed advisable, having due... | |
 | Pennsylvania. State Board of Agriculture - 1888 - 730 頁
...the several stations and their vicinity ; the analysis of soils and water ; the chemical composition of manures, natural or artificial, with experiments...production of butter and cheese; and such other researches and experiments bearing directly on the agricultural industry of the United States as may in each case... | |
 | 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
...the several stations and their vicinity; the analysis of soils and water; the chemical composition of manures, natural or artificial, with experiments...such other researches or experiments bearing directly on the agricultural industry of the United States as may in each case be deemed advisible, having due... | |
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