| 1896 - 818 страници
...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 trees or plants for acclimation ; the analysis of soils and waters ; the chemical composition of manures,... | |
| Connecticut. State Board of Agriculture - 1888 - 648 страници
...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 planls or trees for acclimation ; the analysis of soils and water ; the chemical composition of manures,... | |
| United States. Bureau of Education - 1895 - 982 страници
...composition of useful plants at their different stages of growth; tho comparative advantages of rotative cropping as pursued under a varying series of crops;...natural or artificial, with experiments designed to lest their comparative effects on crops of different kinds; tho adaptation and value of grasses and... | |
| United States. Bureau of Education - 1889 - 1252 страници
...composition of useful plants at their different stages of growth; the comparative advantages of rotative cropping as pursued under a varying series of crops;...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 страници
...composition of useful plants at their different stages of growth; the comparative advantages of rotative cropping as pursued under a varying series of crops;...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 страници
...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 within the isothermal limits represented by the climate of the several stations and their vicinity... | |
| John Michels (Journalist) - 1889 - 540 страници
...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 страници
...t ion 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 within the isothermal limits represented by the climate of the several stations and their vicinity;... | |
| Michigan. State Board of Agriculture - 1884 - 504 страници
...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... | |
| 1891 - 866 страници
...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 trees or plants for acclimation ; the analysis of soils and water ; the chemical composition of manures,... | |
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