 ... to conduct original researches or verify experiments on the physiology of plants and animals; the diseases to which they are severally subject, with the remedies for the same; the chemical composition of useful plants at their different stages of...  Report of the Commissioner of Education - 107 페이지저자: United States. Office of Education - 1905전체보기 - 도서 정보
 | 1896 - 818 페이지
...the remedies for the same ; the chemical composition of useful plants at their different stages of growth ; the comparative advantages of rotative cropping...under a varying series of crops ; the capacity of new trees or plants for acclimation ; the analysis of soils and waters ; the chemical composition of manures,... | |
 | Connecticut. State Board of Agriculture - 1888 - 648 페이지
...the remedies for the same ; the chemical composition of useful plants at their different stages of growth ; the comparative advantages of rotative cropping...under a varying series of crops ; the capacity of new planls or trees for acclimation ; the analysis of soils and water ; the chemical composition of manures,... | |
 | United States. Bureau of Education - 1889 - 1252 페이지
...with the remedies for the same; the chemical composition of useful plants at their different stages of growth; the comparative advantages of rotative cropping...or trees for acclimation; the analysis of soils and wuter; the chemical composition of manures, natural or artificial, with experiments designed to test... | |
 | United States. Bureau of Education - 1889 - 1242 페이지
...with the remedies for the same; the chemical composition of useful plants at their different stages of growth; the comparative advantages of rotative cropping...plants or trees for acclimation; the analysis of soils nnd water; the chemical composition of manures, natural or artificial, with experimenta designed to... | |
 | Pennsylvania. State Board of Agriculture - 1888 - 730 페이지
...the remedies for the same ; the chemical composition of useful plants at their different stages of growth ; the comparative advantages of rotative cropping...the capacity of new plants or trees for acclimation within the isothermal limits represented by the climate of the several stations and their vicinity... | |
 | John Michels (Journalist) - 1889 - 540 페이지
...experiments on ... the chemical composition of useful plants at their different stages of growth ; . . . the analysis of soils and water ; the chemical composition...manures, natural or artificial ; with experiments designated to test their comparative effects on crops of different kinds ; . . . the value of grasses... | |
 | Michigan. State Board of Agriculture - 1884 - 482 페이지
...the remedies for the same; the chemical compos! t ion of useful plants at their different stages of growth; the comparative advantages of rotative cropping...the capacity of new plants or trees for acclimation within the isothermal limits represented by the climate of the several stations and their vicinity;... | |
 | 1891 - 866 페이지
...with the remedies for same ; the chemical composition of useful plants at their different stages of growth ; the comparative advantages of rotative cropping...under a varying series of crops ; the capacity of new trees or plants for acclimation ; the analysis of soils and water ; the chemical composition of manures,... | |
 | Michigan. State Board of Agriculture - 1884 - 504 페이지
...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 페이지
...with the remedies for the same; the chemical composition of useful plants at their different stages of growth; the comparative advantages of rotative cropping...under a varying series of crops; the capacity of new plauts or trees for acclimation; the analysis of soils and waters; the chemical composition of manures,... | |
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