

HOME PROJECTS IN SECONDARY AGRICULTURE. 13 



V. What fertilizing shall T give the orchard? 



1. Do I understand the function of the fertilizing elements and their 



relation to tree growth? 



2. If severe pruning has stimulated a vigorous growth, will the trees 



need nitrogen? 



3. Will the application of fertilizers containing phosphoric acid and 



potash be beneficial? 



4. What is the cheapest and best form in which I can apply the elements 



needed ? 



5. What are the objections to using barnyard and green manures the 



first year after the trees have been cut back severely? 



6. When and how shall I apply fertilizers? 

 VI. TIow shall I cultivate the orchard? 



1. What are the purposes of cultivation? 



2. What are the advantages of cultivation over leaving the orchard in 



sod? 



3. May it be advisable at any time to leave an orchard in sod? 



4. What implements will be required for the cultivation of the orchard? 



5. Am I able to do the plowing, harrowing, and cultivating which may 



be necessary? 



6. When should cultivation cease? 

 VII. Shall I use a cover crop? 



1. What is the distinction between a cover crop and the practice of 



intercropping? 



2. What important purposes do cover crops serve? 



3. What crops are suitable for the purpose? 



4. What crop shall I use and how shall I manage it to secure maximum 



returns? 

 VIII. How can I control orchard pests? 



1. What equipment will I need for spraying? 



2. Can I make Bordeaux mixture and lime sulphur sprays and apply 



them in such a way as to control fungus diseases? 



3. Can I use lead arsenate and Paris green effectively in the control of 



biting insects? 



4. Can I control insects with sucking mouth parts, such as aphids and 



San Jose* scale? 



5. Do I know the life histories and habits of the insects I must control? 



6. What may I do to supplement spraying in the control of orchard 



pests? 



7. What may I do to get my neighbors to cooperate with me in the con- 



trol of orchard pests? 



8. 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? 



1. What are the advantages claimed for the practice? 



2. What objections are there against it? 



3. Do I understand the details of thinning that I may practice it effi- 



ciently? 

 X. How shall I harvest my crop? 



1. What equipment will I need for picking? 



2. When is the fruit ready to pick? 



3. Do I understand the details of picking that I may practice it effi- 



ciently? 



4. If I need help in picking, can I manage the pickers to secure the 



best results? 





