AGRICULTURE
What is dry farming? 331.
What is a good crop on soil too poor for clover? 470.
How many creameries are there in this country? 475.
How are creameries conducted? 475.
What advantage has the separator? 475,
What are the two classes of feeding stuffs? 651.
What are the forage crops? 652.
How do cattle get the bloat? 652.
What three fertilizers are in use? 657.
What parts of a plant need nitrogen? 657.
What does potash produce? 657.
What gives general plant vigor? 657.
Why does a wise farmer mix his own fertilizers? 658.
How many pounds of fertilizer does an acre need? 658.
What is a good garden fertilizer? 658.
One ton of fish guano equals how many tons of manure? 809.
What are the different methods of grafting? 789.
Can plants of differing species be grafted? 789.
When is the best time for grafting? 789.
Why must fruit trees be grafted? 789.
What are the two kinds of feeds? 283.
What is the difference between a hot bed and a cold frame? 888.
When should hot beds be started? 888.
How can violets be forced to bloom early? 888.
What does humus do for stiff soils? 898.
What is sedimentary soil? 1778.
What is alluvial soil? 1778.
What are bottom lands? 53.
How do plants and animals make soil? 1778.
What is soil mulch? 1275.
How many pounds of minerals do plants take from the soil yearly?
1778.
What is "mound" layering? 1040. What is green crop manure? 1165.
What plants are most widely used for this purpose? 1165. What makes manure worth $2.50 to $4.50 per ton? 1165. What causes horse manure to lose $1 per ton during summer? 1165. How is plant breeding done? 1500. What is a hybrid plant? 1501. Do most seeds "breed true"? 1501. What happens from selling large potatoes and planting small ones?
1501.
How does the Canadian thistle spread? 1552. What is vegetative reproduction? 1552. What is the benefit of seed dispersals? 1718. How do air currents carry seeds? 1718. Can seeds germinate after being soaked in water? 1718. How do animals carry plant seeds? 1718. What are explosive fruits? 1718. Into what two classes may fruits be classed? 721. What part of the seed is involved in the bean pod? 721. What fruits do not dehisce? 721. What fruit is the whole flower cluster? 721. What is subsoiling? 1842. At what rate should subsoiling go on? 1842. What are watersprouts? 1843.
FRIENDS AND FOES OF AGRICULTURE. What large proportion of crops are destroyed by insects? 929. What is the name of the young of all insects? 1032. What is the most important insect enemy of the fruit grower? 419. What three states suffer $7,000,000 damage yearly from the codlin-moth?
419.
What is a preventive for this insect? 419. How do plant lice suck the juices of the plants? 82 What insect is mistakenly called American blight? 82.
2299
