Pear, [44], [49], [59], [81], [130]
Pear fire-blight, [130]
Peas, [95], [104], [251-254]
Perennials, [71], [112], [116], [118], [260]
Petal, [43]
Phosphoric acid, [23], [24], [186], [188], [196], [216], [244], [254]
Phylloxera, [157], [158]
Pipette, [305]
Pistil, [43], [44]
Plant, the, [25], [39]
Plant disease, cause of, [122]
nature of, [122]
prevention of, [122], [129]
Plant food, [18], [19], [20], [21], [24]
from air, [39]
from soil, [29]
kinds of, [33]
Plant louse, [150], [152], [167], [168]
Plant seeding, [59], [109]
Planting a tree, [76-87]
Plant-propagation, [51-59]
by buds, [51]
Plants grown from seed, [109]
from bulbs, [109]
Plow, right way to, [11]
Plum curculio, [156], [157]
Plums, [43], [59], [81], [164]
Pollen, [43], [47], [48]
Pollination, [45-48]
by hand, [49]
cross-, [49], [50]
grape, [52], [53]
Potash, [23], [24], [186], [188], [196], [207], [216], [244], [246], [254]
Potato, sweet, [204], [205]
white, or Irish, [56], [57], [206-209]
Potato beetle, [170], [209]
Potato blight, [138], [209]
Potato scab, [136], [205], [209]
Potato seed, [56], [57]
Poultry, [282-286]
Prevention of plant diseases, [129], [130]
Propagation of plants by buds, [58]
by cuttings, [52]
Protein, [212], [291], [294], [295], [297]
Pruning, [83], [84-87]
root, [85], [86]
Pupa, [147], [150], [151]
Purity of seed, [72-75]
Pyrethrum powder, [165]
Quince, [59]
Radish, [95]
Raspberry, [59]
Ration, balanced, [294], [295]
Ratoon, [225]
Red raspberry, [59]
Rice, [231-232]
Roads, [332], [337]
Root-hairs, [24], [25], [27], [29], [32]
Root-pruning, [86]
Roots, [25], [26], [27], [28]
Root-tubercles, [30], [37]
Rose, [109], [121], [124]
Rot of fruit, [122]
Rotation of crops, [8], [20], [21], [33-37], [189], [211], [217], [219], [258]
Rye, [213-215]
San Jose scale, [152], [153]
Sap current, the, [40]
Scab, [136], [209]
Schoolhouses, [334]
Scion, [79], [81], [82]
Seed, [42]
Seed purity, [72-75]
Seed vitality, [72-75]
Seed-germination, [74]
Seed-germinator, [74]
Seeding, [60], [114]
Seed-selection, [56], [62], [64], [66]
in the field, [56], [62], [68]
of corn, [66]
of cotton, [60], [61]
of potatoes, [56], [57]
of wheat, [64], [65]
Seed-selection plat, [63], [64]
Selection of seed. See Seed-selection
Sepal, [43]
Sheep, [276-279]
Silo, [295]
Smuts, [134], [135]
Soil, [1]
bacteria in, [24]
deepening of, [8]
definition of, [1]
drainage of, [14]
Soil, how formed, [2], [3]
how water rises in, [13]
improving, [17]
manuring of, [21]
moisture of, [9]
origin of, [1]
particles of, magnified, [10]
and plant, [25]
retention of water by, [12]
tillage of, [6]
virgin, [17], [18]
Sowing seed, [94]
Soy beans, [256-260]
Spiders, red, [121]
Spiracles, [145]
Spores, [123], [124], [125], [130], [135]
prevention of, [130]
Spraying, [137], [138], [139], [155], [156], [157], [209]
Spraying outfit, [138], [155], [168], [171]
Squanto, [21]
Squash, [45], [95]
Squash bug, [168]
Stamen, [43-48]
Starch, [40]
Starchy food, [291]
Stigma, [44-45]
Stock, [79], [82]
Strawberry, [45], [55], [59], [90]
Style, [43]
Subsoil, [1]
Subsoiling, [10]
Sugar, [40]
Sugar plants, [217]
Sugar-beet, [218-221]
Sugar-cane, [221]
Sugar-maple, [217]
Sulphate of ammonia, [211]
Sun-scald, [84]
Sweet pea, [114], [115]
Sweet potato, [56], [57], [111], [204-205]
Swine, [279-282]
Tent caterpillar, [162]
Tile drain, [15], [16]
benefits of, [14]
Tillage, [6-9], [19], [28], [200]
Timber, [232-235]
enemies of, [233]
Tobacco, [189-192]
Tobacco worm, [170], [172]
Tomato, [40], [105]
Tongue grafting, [79], [80]
Tools, [313]
Topping tobacco, [191]
Trap plant, [168]
Tree, manuring of, [26]
Truck crops, [98-107]
Tubercle, [30], [32]
Tull, Jethro, [6]
Turkeys, [282]
Turnip, [95]
Twig girdler, [162]
Typhoid fever, germ of, [129]
Vetches, [255-257]
Vitality of seed, [72-75]
Vitamines, [298]
Wasp, [146]
Water, [10]
absorption of, by plants, [10]
retention of, by soil, [9]
rise of, in soil, [13]
saved by plants, [10]
saved by soils, [12]
Watermelons, [106]
Wax, [79]
Weathering, [4], [7]
Weeds, [69], [74]
annual, [69]
biennial, [70]
perennial, [71]
Weevil, [169]
cotton-boll, [173-177]
plum, [156]
Wheat, [192-197]
selection of seed, [63]
yield of, [64]
Why feed animals, [290]
Wilt
cotton, [142]
watermelon, [107]
Window box, [118]
Window-garden, [119-121]
Window-gardening, [119]
Worn-out land, reclaiming of, [19], [244]
Yeast, [127], [128]