HOME PROJECTS IN SECONDARY AGRICULTURE. 18 
V. What fertilizing shall T give the orchard? 
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6. 
Do I understand the function of the fertilizing elements and their 
relation to tree growth? 
. If severe pruning has stimulated a vigorous growth, will the trees 
need nitrogen? 
. Will the application of fertilizers containing phosphoric acid and 
potash be beneficial? 
. What is the cheapest and best form in which I can apply the elements 
needed? 
. What are the objections to using barnyard and green manures the 
first year after the trees have been cut back severely? 
When and how shall I apply fertilizers? 
VI. How shall I cultivate the orchard? 
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6. 
What are the purposes of cultivation? 
What are the advantages of cultivation over leaving the orchard in 
sod? 
. May it be advisable at any time to leave an orchard in sod? 
. What implements will be required for the cultivation of the orchard? 
. Am I able to do the plowing, harrowing, and cultivating which may 
be necessary? 
When should cultivation cease? 
VII. Shall I use a cover crop? 
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4, 
What is the distinction between a cover crop and the practice of 
intercropping? 
What important purposes do cover crops serve? 
What crops are suitable for the purpose? 
What crop shall I use and how shall I manage it to secure maximum 
returns? 
VIII. How can I control orchard pests? 
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What equipment will I need for spraying? 
Can J make Bordeaux mixture and lime sulphur sprays and apply 
them in such a way as to control fungus diseases? 
. Can I use lead arsenate and Paris green effectively in the control of 
biting insects? 
. Can I control insects with puc Ee mouth parts, such as aphids and 
San José scale? 
. Do I know the life Histivies and habits of the insects I must control? 
What may I do to supplement spraying in the coatrol of orchard 
pests? 
What may I do to eet my neighbors to cooperate with me in the con- 
trol of orchard pests? 
Will it pay me to buy a spraying outfit, or will it be more profitable 
to hire the spraying done? 
IX. Shall I thin my fruit? 
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What are the advantages claimed for the practice? 
What objections are there against it? 
Do I understand the details of aie that I may practice it effi- 
ciently? 
X. How shall I harvest my crop? 
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4. 
What equipment will I need for picking? 
When is the fruit ready to pick? 
Do I understand the details of picking that I may practice it effi- 
ciently? 
If I need help in picking, can I manage the pickers to secure the 
best results? 
