322 
fig 1 
land plot 
33 
36 
winter 
38 
55 
57 
56 
crop 
lucern 
wheat 
summer barley 
winter wheat 
stock beet 
sugar beet 
phenophase blossoming 
milk 
forming ears 
milk ripeness 
leaf development 
B D/W 
lOOO-r'OO 
-LO 
9-r 
C 
BFI 
J-0 
T F/O 
20 
10-- 
0 -- 
ripeness 
fig.2 
land plot 
crop 
phenophase 
B D/W 
1000 -y 100 
500 - - 50 
--0 
37 
42 
44 
49 
50 
oats 
sugar beet 
winter 
wheat 
forming ears 
leaf development 
milk ripeness 
Figure 1, 2. Soil and vegetation features as components of the yield formation. 
crop:^ 
B: 
2 
biomass air dry (g/m ) 
D: 
soil covering (%) 
BFI : 
leaf area index 
A: 
crop index air dry (%) 
1 1 1 1 1 
i Y. 
content of water (%) 
° * # C : 
content of chlorophyll (mg/g) 
soil : 
F : 
moisture (%) 
0: 
organic matter (%) 
1/R : 
C/N - ratio