. 2020 Oct 15;9(10):1366. doi: 10.3390/plants9101366

Table 13.

Seasonal changes of the calcium leaf status under the influence of different potassium fertilization rates and fertigation approaches in 2016, % d.m.

	Control N₂₀P₁₅	N₂₀P₁₅K₂₅	N₂₀P₁₅K₃₅	N₂₀P₁₅K₄₅	N₂₀P₁₅K₂₀	N₂₀P₁₅K₂₅	N₂₀P₁₅K₃₀	LSD₀₅
		G1 (unchangeable K rates)			G2 (season adjusted K rates)
“Zhigulevskoye”
30.05.	1.13	1.09	1.09	1.08	1.08	1.03	1.14	0.06
30.06.	1.50	1.50	1.46	1.42	1.56	1.55	1.43	0.08
28.07.	1.32	1.24	1.22	1.26	1.44	1.36	1.25	0.10
30.08.	1.15	1.19	1.15	1.14	1.22	1.10	1.05	0.08
29.09.	1.90	2.07	1.99	1.98	1.93	1.81	1.74	0.11
“Lobo”
30.05.	1.35	1.27	1.26	1.27	1.27	1.17	1.24	0.07
30.06.	1.78	1.74	1.78	1.65	1.77	1.6	1.64	0.08
28.07.	1.69	1.68	1.54	1.43	1.58	1.43	1.37	0.07
30.08.	1.37	1.23	1.14	1.08	1.31	1.28	1.22	0.07
29.09.	1.67	1.56	1.63	1.67	1.62	1.55	1.59	0.08