Research Paper INT.U.S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1981 - Forests and forestry |
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Page 1
... annual precipitation , tree cover , soil nitrates , and presence or absence of limestone soils . We attempt in this paper to develop a model more rigorously tuned to the interactive nature of the relation wherein the effects of some or ...
... annual precipitation , tree cover , soil nitrates , and presence or absence of limestone soils . We attempt in this paper to develop a model more rigorously tuned to the interactive nature of the relation wherein the effects of some or ...
Page 3
... ANNUAL PRECIPITATION , IN . , ( APR ) Figure 2 .-- Family of annual precipitation curves relating to individual data points . 4 29 20 12 918 NO 3 28 1 10 20 30 40 50 COVER ( PERCENT ) Figure 3 .-- Scaling height for the annual ...
... ANNUAL PRECIPITATION , IN . , ( APR ) Figure 2 .-- Family of annual precipitation curves relating to individual data points . 4 29 20 12 918 NO 3 28 1 10 20 30 40 50 COVER ( PERCENT ) Figure 3 .-- Scaling height for the annual ...
Page 4
... annual precipitation , presence or absence of limestone soils , tree crown cover , and nitrate nitrogen in the soil . Table 1 .-- Modeled herbage production potentials for selected combinations. HYPOTHESIS DEVELOPMENT AND ASSOCIATED ...
... annual precipitation , presence or absence of limestone soils , tree crown cover , and nitrate nitrogen in the soil . Table 1 .-- Modeled herbage production potentials for selected combinations. HYPOTHESIS DEVELOPMENT AND ASSOCIATED ...
Page 5
Table 1 .-- Modeled herbage production potentials for selected combinations of annual precipitation , presence or absence of limestone soils , tree crown cover , and nitrate - nitrogen in the soil Soil NO3 Cover 5 ( 13 ) 10 ( 25 ) 15 Annual ...
Table 1 .-- Modeled herbage production potentials for selected combinations of annual precipitation , presence or absence of limestone soils , tree crown cover , and nitrate - nitrogen in the soil Soil NO3 Cover 5 ( 13 ) 10 ( 25 ) 15 Annual ...
Page 7
... ANNUAL PRECIPITATION " ) WRITE ( 12,10 ) 10 FORMAT ( 8X , " SOIL " , 3X , " N03 " , 3x , " COVER " , 10x , " 0 " , 7x , " 5 " , 6X , " 10 " , 6X , " 1 -5,6X , " 20 " , 6x , " 25 " ) WRITE ( 12,15 ) 15 FORMAT ( 1X , ' DO 200 INO3 = 1,31 ...
... ANNUAL PRECIPITATION " ) WRITE ( 12,10 ) 10 FORMAT ( 8X , " SOIL " , 3X , " N03 " , 3x , " COVER " , 10x , " 0 " , 7x , " 5 " , 6X , " 10 " , 6X , " 1 -5,6X , " 20 " , 6x , " 25 " ) WRITE ( 12,15 ) 15 FORMAT ( 1X , ' DO 200 INO3 = 1,31 ...
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Common terms and phrases
90 CONTINUE IPSOI absence of limestone annual precipitation APR-effect Arizona data Clary climax cover climax overstory CONTINUE IPSOI SOIL COV WRITE CROWN COVER PERCENT duction ecosystems effect appeared FLORL Forest and Range FOREST SERVICE UAS Fortran IV program grassland HEIGHT YPAPR herbage production potential herbage production value hypothesized IAPR ICOV Idaho independent variables INFL INFLECTION POINTS INO3 Intermountain Station IPSOI SOIL IPNO3 Jensen and Homeyer Juniper Areas kg/ha LB/ACRE LIME limestone soils limited APR-range Mathematical Hypothesis mathematical model Montana in cooperation Nevada NITRATE NITROGEN nitrification NO3 IPCOV NO3 levels NON-LIME NONLIMESTONE SOILS north-central Arizona Paper INT-279 July pinyon-juniper areas potential herbage production Potential on Pinyon presence or absence PRNT IDOKTR program for table rescaling refit Research Paper INT-279 SCALING HEIGHT sigmoidal forms SIGMOIDS OVER COVER soil parent material Station Research Paper Sy.x tree cover UNIVERSITY OF MICHIGAN Utah in cooperation YPCL YPCNL