Table 1
Changes in the composition of grass stands during five years of life and the main parameters of the samples
| № | Sample parameters, n = 9 | Shoots, pcs / m2 | Leaves, pcs / m2 | Points | ||||
|---|---|---|---|---|---|---|---|---|
| Festuca | Lolium | Poa | Total | Green | Yellow | |||
| 1 | (50) (30) (20)* | |||||||
| Avg | 9560 | 7330 | 1380 | 18820 | 45920 | 1390 | 7,3 | |
| Max | 18200 | 14050 | 2600 | 26800 | 82550 | 2750 | 9 | |
| Min | 5350 | 800 | 350 | 14200 | 32650 | 500 | 6 | |
| σ | 3930 | 3460 | 790 | 3420 | 1400 | 750 | 0,9 | |
| V,% | 41,1 | 47,2 | 57,6 | 18,2 | 30,5 | 53,9 | 12,9 | |
| The ratio of components, % | ||||||||
| 1 year | 91,5 | 5,6 | 2,8 | 100 | 100 | 6,1* * | ||
| 5year | 61,1 | 24 | 14,8 | 100 | 100 | 1,8 | ||
| 2 | (20) (60) (20) | |||||||
| Avg | 2260 | 8520 | 3230 | 14010 | 32510 | 1230 | 6,6 | |
| Max | 3900 | 15250 | 7100 | 18250 | 38700 | 2550 | 8 | |
| Min | 1200 | 4700 | 1100 | 9450 | 21050 | 600 | 5 | |
| σ | 910 | 3280 | 2380 | 2870 | 5600 | 670 | 0,8 | |
| V,% | 40,3 | 38,5 | 73,5 | 20,5 | 17,2 | 54,2 | 12,7 | |
| The ratio of components, % | ||||||||
| 1 year | 13,2 | 75,8 | 11 | 100 | 100 | 9,9 | ||
| 5 year | 24,8 | 30 | 45,2 | 100 | 100 | 2,7 | ||
| 3 | (30) (10) (60) | |||||||
| Avg | 6060 | 3330 | 9120 | 18530 | 49790 | 2660 | 6,9 | |
| Max | 9250 | 10200 | 17900 | 22650 | 59300 | 6000 | 8 | |
| Min | 3000 | 600 | 1250 | 13150 | 32800 | 1200 | 5 | |
| σ | 1840 | 3120 | 5290 | 2660 | 7930 | 1710 | 0,9 | |
| V,% | 30,3 | 93,5 | 58,0 | 14,4 | 15,9 | 64,2 | 12,7 | |
| The ratio of components, % | ||||||||
| 1 year | 39,3 | 18,3 | 42,3 | 100 | 100 | 14,4 | ||
| 5 year | 28,4 | 3,7 | 67,9 | 100 | 100 | 3,6 | ||
| Shoots* * * | Green leaves | Yellow leaves | Points | |||||
| LSD05 | d | LSD05 | d | LSD05 | d | LSD05 | d | |
| 1-2 | 3150 | 4810 | 10110 | 13420 | 640 | 160 | 0,9 | 0,7 |
| 1-3 | 3060 | 290 | 10790 | 3870 | 1190 | 1270 | 0,9 | 0,4 |
| 2-3 | 2770 | 4520 | 6510 | 17290 | 1170 | 1430 | 0,9 | 0,3 |
Note: * – the percentage of participation in the mixture, * * – percentage of yellow leaves of the number of green leaves, * * * – a comparison of samples by parameters: number of shoots, number of green and yellow leaves, total decorative points, LSD with a confidence level of 95%, d – difference between the average values of samples, with d ≥ LSD differences are significant.
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