xvi TABLE OF CONTENTS 



CHAPTER XXVII 

 FACTORS AFFECTING THE GROWTH OF STANDS 



PAGE 



293 Enumeration of Factors Affecting Growth of Stands 384 



294 Site Factors or Quality of Site 384 



295 \'olume Growth a Basis for Site Quahties 385 



296 Height Growth a Basis for Site Quahties 386 



297. ( )ther Possible Bases for Site Qualities 387 



298 'I'ho Form of Stands, Even-aged versus Many-aged 388 



299 Annual Increment of Many-aged Stands 390 



300 'ilie Effect of Treatment on Growth 391 



301 Density of Stocking as Affecting Growth and Yields 392 



302. Composition of Stands as to Species 393 



CHAPTER XXVIII 

 NORMAL YIELD TABLES FOR EVEN-AGED STANDS 



303. Definition and Purpose of Yield Tables 395 



304 Standards for Yield Tables 395 



305 Construction of Yield Tables, Baur's Method 396 



306. Standard for "Normal" Density of Stocking 397 



307. Age Classes 397 



308 Area of Plots 397 



309. Measurements Required on Each Plot 398 



310 Construction of Yield Table, with Site Classes Based on Height Growth. . 401 



311. Rejection of Abnormal Plots 404 



312. Construction of Yield Table, with Site Classes Based Directly on Yields 



per Acre 406 



313. Yield Tables for Stands Grown under Management 407 



314. Yield Tables for Stands of Mixed Species 408 



CHAPTER XXIX 



THE USE OF YIELD TABLES IN THE PREDICTION OF 

 GROWTH IN EVEN-AGED STANDS, WITH APPLICA- 

 TION TO LARGE AGE GROUPS 



315. Factors Affecting the Probable Accuracy of Yield Predictions 412 



316. Methods of Determining Actual or Empirical Density of Stocking 413 



317. Application of Density Factor, in Prediction of Growth from Yield Tables 414 



318. Separation of the Factors of Volume, Age and Area 416 



319. Determination of Areas from Density Factor 416 



320. Ai)plication to Forest having a Group Form of Age Classes 418 



321. Determination of Volume and Area for Two Age Groups on Basis of Average 



Age 419 



322. Application of Results to Forest by Use of Stand Table and Per Cent 421 



323 . Determination of Volume and Area for Age Groups on Basis of Diameter 



Groups • 422 



324. The Construction of Yield Tables Based on Crown Space, for Many-aged 



Stands 422 



325. Application of Method to Many-aged Stands 425 



326. Yield Tables for Stands Grown under Management 427 



