ESTABLISHING FORESTS BY PLANTING 



413 



On average soils 1 workman to make and close the openings 

 and a boy to insert the plants will average from 1200 to 1800 

 trees per day. 



An ingenious planting tool was invented by Jensen 1 in 1913 

 and placed upon the market. It differs from all other planting 

 tools in carrying the plant into the soil at the same time that the 

 opening is made for its reception (Fig. 121). This tool has been 

 tested experimentally by McLean 2 with satisfactory results. 



-n 



FIG. 120. The Wartenberg planting 

 staff. 



FIG. 121. Jensen's tree 

 planter. 



As yet it has not been used sufficiently on various soils in different 

 localities and with various kinds of stock to warrant a statement 

 of its effectiveness as a planting tool. It is especially adapted for 

 planting tap-rooted species without strong lateral roots on loam 

 and sandy soils. It is said to work well on brush-covered areas 

 and burns, but not on gravelly and stony soils. 



1 The Jensen planting tool is manufactured and sold by N. B. Jensen, 

 Ephraim, Utah. 



2 McLean, F. T.: A mechanical tree planter. (Forestry Quarterly, vol. 

 XII, p. 139-140. 1914.) 



