Acerca de este libro
Mi biblioteca
Libros en Google Play
CHAPTER VII.-WHEAT.
I. USES AND PREPARATION FOR USE.
Uses
Food for domestic animals, p. 112; Source, amount
and quality of flour, p. 113; Grades of flour, p.
115; Graham and wheat flour, p. 116; Amount of
bread from flour, p. 117.
Composition of by-products, p. 119; Food value of
by-products, p. 120.
II. PRODUCTION AND MARKETING.
Wheat Crop of the World
Wheat crop of the United States, p. 122; Progress
of wheat production, p. 123; Center of wheat pro-
duction, p. 124; Winter wheat and spring wheat,
p. 124; Production of flour, p. 124; Consumption
of wheat per capita, p. 125; Yield per acre, p. 126.
Imports of wheat, p. 128; Commercial grades, p. 128.
III. HISTORY.
121
126
Original habitat, p. 130; Reasons for culture, p. 130.
Practicums
131
Study of the spike of wheat, p. 131; Method of cross- fertilization, p. 131; Types of wheat, p. 131.
Method of Describing Wheat Varieties
133
Half-grown plant in field, p. 133; Mature plant in
field, p. 133; Mature dried plant in laboratory, p.
134; The grain, p. 134; Classification of varieties
of common wheat, p. 135.
Relation of Color, Hardness, Size, Specific Gravity and
PAGK
Name
I. STRUCTURE.
Fodder, p. 138; Stover, p. 138; Silage, p. 138; Re-
lationships, p. 138; Roots, p. 139; Culms, p. 141;
Suckers, p. 142; Relation of grain to stover, p.
143; Inflorescence, p. 144; Tassel, p. 146; Silk,
p. 146; Ear, p. 147; Position of the ear, p. 148;
Characteristics of ear, p. 149; Terms descriptive
of ear, p. 149; Two-eared varieties, p. 150; Barren
stalks, p. 151.
Endosperm, p. 153; Aleurone layer, p. 155; Hull,
p. 156; Color, p. 156; Abnormal growths, p. 157.
Fodder and stover, p. 158; Water, p. 159; Ash,
p. 161; Protein, p. 162; Carbohydrates, p. 162;
Fat, p. 162.
138
169
Species
Pod maize, p. 164; Pop maize, p. 164; Flint maize,
P. 166.
Description of a good dent ear, p. 170; List of varie-
ties of dent maize, p. 172; Classification of dent
varieties, p. 179
Varieties for silage, p. 182.
Comparative Yield of Dent and Flint Maize.
Pollination
CHAPTER XI.-MAIZE.
IMPROVEMENT OF VARIETIES.
Influence of current cross, p. 185; Degree of close-
breeding, p. 187; Close breeding, p. 187; Detas-
seling, p. 188; Crossing, p. 190; Disposition to
maintain types and varieties, p. 190.
Breeding for fat, p. 191; Breeding for protein, p. 192;
Breeding for starch, p. 192; Advantage of breed-
ing for composition, p. 193; Disadvantage, p. 193.
Methods of Breeding
Breeding plat, p. 194; Field selection, p. 196; Field
seed and breeding plat seed compared, p. 196.
Vitality of Seed
197
Importance of testing vitality of seed, p. 197;
Germination, p. 198; Treatment of seed, p. 198;
Method of testing seed, p. 199; Seed from differ-
ent parts of the ear, p. 200.
PAGB
Causes limiting distribution, p. 202; Influence of
temperature, p. 204; Influence of climate upon
habit of growth, p. 205; Influence of climate upon
varieties, p. 205; Influence of climate upon com-
position, p. 206.
Rotation, p. 209; Continuous cropping of maize, p.
209; Maintaining the crop producing power of the
soil, p. 211; Influence of organic matter, p. 211;
Application of stable manure, p. 212; Use of com-
mercial fertilizers, p. 213; Relative importance
of fertilizing constituents, p. 213; Methods of
applying fertilizers, p. 214; Influence of season on
efficiency of fertilizers, p. 214.
Use of Lime
Indication of need of lime, p. 215; Application of
lime, p. 216.
208
Depth of plowing, 219; Subsoiling, p. 221; Prepar-
ing ground after plowing, p. 221.
Listing, p. 224; Time of planting, p. 226; Rate of
planting, p. 227; Influence of rate of seeding upon
composition, p. 229.
CHAPTER XIV.-MAIZE.
CULTURAL METHODS. (CONCLUDED).
Planting in Hills or Drills
Method of Distribution, p. 232; Distance apart of
rows, p. 234; Intercultural tillage, p. 235; Injury
due to weeds, p. 235
Root pruning, p. 236; Depth of cultivation, p. 237;
Amount of cultivation, p. 239; Conservation of
moisture,-influence due to stirring the soil, p. 240.
231
236
Foxtail, p. 243; Bindweed, p. 243; Cocklebur, p.
244; Spanish needles, p. 244.
243
• 244