PULSE CROP PROJECTS 



253 



2. What soil tillage preparations do you think should be made! 



S-B : 71. 



3. How will you fertilize your beans ? 



W-VG : 235. C : 139. S-B : 15-20. 



4. What is the function and importance of nitrogen, •phosphorus, and 



potassium in the growing of beans f S-B : 15-20. 



5. When should the 



fertilizer be 

 applied? 



6. How are beans 



fertilized in 

 the important 

 bean-growing 

 sections f 



6. Planting field 

 beans. — Field beans 

 should not be planted 

 too early because they 

 may rot in the ground, 

 Dr frost may kill the 

 plants, and earliness 

 is not particularly 

 important. Rust is 

 also more likely to 

 develop on early plant- 

 ings and cold, wet 

 weather may retard 

 and stunt the plants. 

 The most common 

 spacing between rows 



is twenty-eight inches Fig. 63. — Distributing seed from an envelope. 



