The Unevenaged Sal Forests of Ramnagar Forest Division, Uttar Pradesh: their Constitution, Rate of Growth and Drain along with Empirical Yield and Stand Tables for Selection Type of Sal Crops

The 1935 and 1939 stand structures of some unevenaged sal forests of Ramnagar Forest Division, Uttar Pradesh, managed under the selection system, are examined with the help of data from nearly 15 miles length of permanent linear increment plots. The influence of management during the 14 years' period on the distribution of size classes, crop basal area and crop volume is analysed and yields compared with increments. The absolute necessity of having balanced stand structure, in the interest of sustained yields, is stressed and a simple way of testing this character is explained. The rate of diameter growth of sal is given by site qualities. Empirical yield tables and stand tables for unevenaged sal crops have been prepared. The common defects in the present management of unevenaged forests are discussed and suggestions for improving the same have been made.