Читать книгу Farm drainage - Henry F. French - Страница 2
Table of Contents
ОглавлениеCHAPTER II. HISTORY OF THE ART OF DRAINING.
ELKINGTON'S SYSTEM OF DRAINAGE.
THE DEANSTON SYSTEM; OR, FREQUENT DRAINAGE.
CHAPTER III RAIN, EVAPORATION, AND FILTRATION.
CHAPTER IV DRAINAGE OF HIGH LANDS—WHAT LANDS REQUIRE DRAINAGE.
DO ALL LANDS REQUIRE DRAINAGE?
ALL LANDS OVERFLOWED IN SUMMER REQUIRE DRAINAGE.
SWAMPS AND BOGS REQUIRE DRAINAGE.
ALL HIGH LANDS THAT CONTAIN TOO MUCH WATER AT ANY SEASON, REQUIRE DRAINAGE.
INDICATIONS OF TOO MUCH MOISTURE.
CHAPTER V VARIOUS METHODS OF DRAINAGE.
CHAPTER VI DRAINAGE WITH TILES.
"DISCHARGE OF WATER THROUGH PIPES.
CHAPTER VII DIRECTION, DISTANCE, AND DEPTH OF DRAINS.
DISTANCES APART, OR FREQUENCY OF DRAINS.
DISTANCES DEPEND UPON THE NATURE OF THE SOIL.
DISTANCES DEPEND UPON THE DEPTH OF THE DRAINS.
DISTANCES DEPEND UPON CLIMATE.
DISTANCES DEPEND UPON THE COMPARATIVE PRICES OF LABOR AND TILES.
TILES MUST BE LAID BELOW THE REACH OF THE SUBSOIL PLOW.
TILES MUST BE LAID BELOW FROST.
CHAPTER VIII ARRANGEMENT OF DRAINS.
ARRANGEMENT MUST HAVE REFERENCE TO SYSTEM.
ARRANGEMENT MUST HAVE REFERENCE TO THE FALL.
ARRANGEMENT MUST HAVE REFERENCE TO THE OUTLET.
GRATINGS OR SCREENS AT THE OUTLET.
POSITION AND SIZE OF THE MAINS.
DRAINAGE INTO WELLS, OR SWALLOW HOLES.
CHAPTER IX THE COST OF TILES—TILE MACHINES.
CHAPTER X THE COST OF DRAINAGE.
COMPARATIVE COST OF TILE AND STONE DRAINS.
CHAPTER XI DRAINING IMPLEMENTS.
DRAINING-PLOWS AND DITCH-DIGGERS.
CHAPTER XII PRACTICAL DIRECTIONS FOR OPENING DRAINS AND LAYING TILES.
CHAPTER XIII EFFECTS OF DRAINAGE UPON THE CONDITION OF THE SOIL.
CHAPTER XIV DRAINAGE ADAPTS THE SOIL TO GERMINATION AND VEGETATION.
CHAPTER XV TEMPERATURE AS AFFECTED BY DRAINAGE.
"RATIONALE OF DRAINING LAND EXPLAINED.
CHAPTER XVI. POWER OF SOILS TO ABSORB AND RETAIN MOISTURE.
CHAPTER XVII INJURY OF LAND BY DRAINAGE.
CHAPTER XVIII OBSTRUCTION OF DRAINS.
HOW TO DETECT OBSTRUCTIONS IN DRAINS.
CHAPTER XIX DRAINAGE OF STIFF CLAYS.
PRESSURE OF WATER IN THE SOIL.
CHAPTER XX EFFECT OF DRAINAGE ON STREAMS AND RIVERS.
CHAPTER XXI LEGISLATION—DRAINAGE COMPANIES.
CHAPTER XXII DRAINAGE OF CELLARS.
CHAPTER XXIII DRAINAGE OF SWAMPS.
CHAPTER XXIV AMERICAN EXPERIMENTS IN DRAINAGE—DRAINAGE IN IRELAND.
STATEMENT OF B. F. NOURSE, ESQ.
STATEMENT OF HENRY F. FRENCH, OF EXETER, N. H.