X CONTENTS

PAGE

method—Rose-Gottlieb method—Babcock method—Protein
and total nitrogen—Formal titration for proteins—Casein—
Official method—Hart method—Albumin—Lactose—Reduction
methods—Optical methods—Microscopic examination—Borates
—Heated milk—Condensed milk—Sucrose—Powdered milk.

Cream—Fat—Solids—Ash—Nitrogen—Lactose.

Ice cream—Fat.

Butter and substitutes—Adulteration—Sampling—Moisture—Fat
—Casein—Salt—Oleomargarine—" Nut" butters.

Cheese—Manufacture—Water—Ash and salt—Fat—Total nitro-
gen—Acidity—Coloring matter.

CHAPTER XII

SOILS.............................230

Total and acid-soluble matter—Soil constituents—Classification of
plant foods—Value of soil analyses—The report—Potential
plant food—Available plant food—Sampling—Moisture—Opti-
mum moisture—Total nitrogen—Nitrate nitrogen—Ammonia
nitrogen—Nitrification—Denitrification—Phosphorus—Potas-
sium—Chlorplatinate method—Perchlorate method—Recovery
of platinum from waste—Organic matter—Carbonate carbon—
Total carbon—Humus—Acid-soluble material.
Other inorganic constituents—Silica—Aluminium—Iron—Calcium
—Magnesium—Manganese—Sulphur—Lime re quire men ts—
Veitch method—Truog method—Thiocyanate method—Hop-
kins method—Flocculation and deflocculation of clay.

CHAPTER XIII

FERTILIZERS..........................270

Availability—Composition—Compatibility—Sampling—Mechan-
ical analysis—Moisture—Phosphorus—Availability—Water-sol-
uble phosphorus—Citrate-insoluble phosphorus—Nitrogen—
Ammonia nitrogen—Nitrate nitrogen—Availability of nitrogen
—Neutral and basic permanganate methods—Potassium—
Chlorplatinate method—Perchlorate method—Centrifugal
method—Pot and field cultures.

CHAPTER XIV
INSECTICIDES AND FUNGICIDES..................292
Character as related to insect anatomy—Contact insecticides—
Preparation of insecticides—Compatibility.
Paris green—Total arsenic—Water-soluble arsenous oxide.