The Cereals in AmericaOrange Judd Company, 1912 - 421 páginas |
Dentro del libro
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Página x
... variation , p . 19 ; Influence of environment , p . 19 ; Change of seed , p . 20 ; Crossing , p . 21 ; Selection , p . 21 ; Power of specific forms to repro- duce themselves , p . 22 ; Importance of large num- bers , p . 23 . Plant ...
... variation , p . 19 ; Influence of environment , p . 19 ; Change of seed , p . 20 ; Crossing , p . 21 ; Selection , p . 21 ; Power of specific forms to repro- duce themselves , p . 22 ; Importance of large num- bers , p . 23 . Plant ...
Página 10
... variation in the adaptability of different soils under the same climatic conditions . Certain soils are much better adapted to wheat and grass than for maize and potatoes , while other soils are much better adapted to maize and potatoes ...
... variation in the adaptability of different soils under the same climatic conditions . Certain soils are much better adapted to wheat and grass than for maize and potatoes , while other soils are much better adapted to maize and potatoes ...
Página 18
... variations that were considered desirable by the gardener without any conscious attempt to produce these specific forms . 37. Examples of Definite Improvement . - The sugar beet is an illustration of systematic breeding to bring about a ...
... variations that were considered desirable by the gardener without any conscious attempt to produce these specific forms . 37. Examples of Definite Improvement . - The sugar beet is an illustration of systematic breeding to bring about a ...
Página 19
... Variation . — Variation is the basis of selec- tion . Plants must vary or they could not be selected . are two general methods of producing variations , viz .: I. Environment , such as soil , climate , space , cultivation , etc. 2 ...
... Variation . — Variation is the basis of selec- tion . Plants must vary or they could not be selected . are two general methods of producing variations , viz .: I. Environment , such as soil , climate , space , cultivation , etc. 2 ...
Página 21
... variation . Yield in grains of 100 plants , showing greater variation in yield of hybrid wheat than of either parent form . The yield of the hybrid is indicated by the line marked - x- ( After Hays . ) Crossing is also employed not only ...
... variation . Yield in grains of 100 plants , showing greater variation in yield of hybrid wheat than of either parent form . The yield of the hybrid is indicated by the line marked - x- ( After Hays . ) Crossing is also employed not only ...
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Términos y frases comunes
aleurone average barley bran broom corn buckwheat bushels bushels per acre carpels cent cereals climate color common wheat corn crop crude fiber culm cultivated dent maize drill dry matter ears embryo endosperm Expt feet fertilizers field five flint flour flowering glume four germination gliadin glume gluten grade grain grass growing grown growth harvested Hessian fly hull husk Illinois Illinois Station inches deep increase influence injury insects Kafir kernel land less maize maize plant manure maturity medium method nitrogen North oats obtained one-half outer glumes panicle percentage plat plowing pollen pounds produced protein rachis rainfall rice ripening roots rows season seed bed silage smut soil sorghum sowing sown species spike spikelets spring wheat stalks starch stover straw sweet maize threshing tion U. S. Dept usually variation varieties vary weeds weight per bushel winter wheat yellow yield of grain
Pasajes populares
Página 293 - or rather shads, which we have in great abundance and take with ease at our doors. "You may see in one township a hundred acres together set with these fish, every acre taking a thousand of them, and an acre thus dressed will produce and yield as much
Página 8 - States alone the inexhaustible forces of Nature would produce annually without effort and without cost: 5,200,000 extra bushels of corn, 15,000,000 extra bushels of wheat, 20,000,000 extra bushels of oats, 1,500,000 extra bushels of barley, 21,000,000 extra bushels of potatoes. But these vast possibilities are not alone for one year, or for our own time
Página 199 - 36 pounds of dry starch, 7 pounds of gluten and 5 pounds of bran or hull, the balance in weight being made up of water, soluble matter, etc. The value of the germ lies in the fact that it contains over 40 per cent of corn oil, worth,
Página 331 - No. 3 white oats shall be seven-eighths white, but not sufficiently sound and clean for No. 2. " No. 4 white oats shall be seven-eighths white, damp, badly damaged, musty, or for any other cause unfit for No. 3.
Página 35 - binds together the particles of flour, rendering the dough and gluten tough and coherent. The glutenin imparts solidity to the gluten, evidently forming a nucleus to which the gliadin adheres and from which it is consequently not washed away by water. Gliadin and starch mixed in the proportion of
Página 359 - include all barley which is badly damaged, or from any cause unfit for malting purposes, except that barley which has been chemically treated shall not be graded at all
Página 142 - will give the weight of a volume of water equal to the volume of
Página 359 - slightly shrunken and otherwise slightly damaged barley, not good enough for No. 2. " No. 4 Barley.—Shall include all barley fit for malting purposes, not good enough for No. 3.
Página 234 - couplet : He that by the plow would thrive Himself must either hold or drive.