Table 1.

Soil aggregation.

Plot	Layer, cm	Fraction Sizes, mm
		>5	5–3	3–1	1–0.5	0.5–0.25	<0.25
		% of the Studied Soil Sample
Cv. “Zhigulevskoye”	0–30	3.53	0.29	5.76	37.53	13.96	38.93
	30–60	0.00	0.14	7.45	35.78	15.24	41.39
Cv. “Lobo”	0–30	2.17	0.36	2.92	27.63	20.77	46.15
	30–60	0.00	0.00	2.95	33.66	19.80	43.59