... VII. 10
CHAPTER I.
CHAPTER II.
CHAPTER III.
CHAPTER IV.
CHAPTER V.
CHAPTER VI.
CHAPTER VII.
CHAPTER VIII.
CHAPTER IX.
CHAPTER X.
CHAPTER XI.
CHAPTER XII.
CHAPTER I
CHAPTER II
CHAPTER III
CHAPTER ... XII.
CHAPTER I
CHAPTER II
CHAPTER III
CHAPTER IV
CHAPTER V
CHAPTER VI
CHAPTER VII
CHAPTER VIII
CHAPTER IX
CHAPTER X
CHAPTER XI
CHAPTER XII...
... in Tube 1; Tube 3, amount of chaff and dirt in Tube 1; Tube 4, amount of
weed seeds in Tube 1; Tube 5, amount of total waste in Tube 1; Tube 6, amount of pure germinable seeds in
Tube 1]
=EXERCISE=
Examine ... cross-pollination. As a
rule cross-pollination makes seed that will produce a better plant than simple pollination would.
Cross-pollination by hand is often used by plant-breeders...
... be put.
The best manure for watermelons is a compost of stable manure and wood-mold from the forest. Pile the
manure and wood-mold in alternate layers for some time before the planting season. ... have cold-frames in
addition to the hotbed; these need not be more than two or three sashes.
=Cold-Frames.= A cold-frame is like the frame used for a hotbed, but it is placed on well-manured ....
... requirements:
1. Legumes for gathering nitrogen. 2. Money crops for cash income. 3. Cultivated crops for tillage and
weed-destruction. 4. Food crops for feeding live stock.
CHAPTER II 30
CHAPTER II
THE ... plant-root. From the root-hairs, foods are carried
to the inside of the root.
From this you can see how important it is for a plant to have fine, loose soil for its root-ha...
... tree back close to the
bud, as in Fig. 71, so as to force nourishment into the inserted bud.
[Illustration: FIG. 71. Sloping line shows where to cut tree]
CHAPTER IV 46
ground, in order that a ... bud, and the bud-shoot grows three or four feet. One year later the
shoot branches and the top begins to form; and in the fall of the following year the tree may be sold as a
two-year-old, althoug...
... scab at the next harvest. Therefore before they are planted, seed
potatoes should be soaked in a weak solution of formalin for about two hours. One-half pint of formalin to
fifteen gallons of ... water.
The fungus that causes the pear-leaf spots has its spores in little pits (Fig. 11 5). The spores of some fungi also
grow on stalks, as shown in Fig. 11 6. This figure represents an enlarge...
... destroy the pest.
=The Peach-Tree Borer.= In Fig. 16 1 you see the effect of the peach-tree borer's activity. These borers often
girdle and thereby kill a tree. Fig. 16 2 shows the adult state ... bores into the bark and remains there for months,
passing through the pupa stage before it comes out to lay eggs for another generation.
[Illustration: FIG. 16 1. BORER SIGNS AROUND BASE...
... sugar beets, $54;
sorghum cane, $22; cotton, $22; orchard fruits, $11 0; peanuts, $ 21; flax-seed, $14 ; cereals, $14 ; hay and
forage, $11 ; castor beans, $6 (United States Census Report).
SECTION XXXV. ... the cane is usually crushed for sugar or for molasses.
[Illustration: FIG. 213 . STALK OF SUGAR-CANE A-B, joints of cane showing roots; B-C, stem; C-D,
leaves]
The sugar-cane is a hug...