Table 4 The integrated effect of feldspar (FD), Filter cake (FC) treatments and their combinations with biofertilizer on growth variables of potato plants after two successive seasons (2021/2022–2022/2023)
Treatments | Plant height (cm) | No of stem | Dry matter of tuber (ton ha− 1) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
MBc(-) | MBc(+) | Mean (OFs) | MBc(-) | MBc(+) | Mean (OFs) | MBc(-) | MBc(+) | Mean (OFs) | ||
2021/2022 | Control | 54.78c | 74.78ab | 64.78b | 2.33a | 3.33a | 2.83a | 4.60d | 6.17Â cd | 5.38c |
100FD | 61.78bc | 76.00ab | 68.89ab | 3.78a | 3.89a | 3.84a | 11.14bcd | 8.82bcd | 9.98b | |
100FC | 68.11abc | 76.11ab | 72.11ab | 3.00a | 3.33a | 3.17a | 15.33ab | 12.95ab | 14.14a | |
75FD + 25FC | 60.33bc | 80.22a | 70.28ab | 2.67a | 3.33a | 3.00a | 8.66bcd | 19.51a | 14.09a | |
25FD + 75FC | 74.78ab | 75.22ab | 75.00a | 2.78a | 3.45a | 3.11a | 11.99bc | 15.11ab | 13.55ab | |
50FD + 50FC | 66.78abc | 71.78ab | 69.28ab | 3.00a | 3.78a | 3.39a | 10.47bcd | 12.87ab | 11.67ab | |
Mean (MBc) | 64.43b | 75.69a | Â | 2.93b | 3.52a | Â | 10.36b | 12.57a | Â | |
LSD (P ≤ 0.05) | A = 3.89 | B = 10.12 | AB = 16.71 |  A = 0.53 | B = 1.38 | AB = 2.27 |  A = 1.56 | B = 4.06 | AB = 6.69 | |
2022/2023 | Control | 55.32c | 75.32ab | 65.32b | 2.56a | 3.56a | 3.06a | 5.58c | 7.16bc | 6.37c |
100FD | 62.32bc | 76.54ab | 69.43ab | 4.01a | 4.12a | 4.07a | 12.13abc | 9.80bc | 10.97bc | |
100FC | 68.65abc | 76.65ab | 72.65ab | 3.23a | 3.56a | 3.40a | 19.82a | 13.94abc | 16.88a | |
75FD + 25FC | 60.87bc | 80.76a | 70.82ab | 2.90a | 3.56a | 3.23a | 9.65bc | 20.50a | 15.08ab | |
25FD + 75FC | 75.32ab | 75.76ab | 75.54a | 3.01a | 3.68a | 3.34a | 12.98abc | 16.10ab | 14.54ab | |
50FD + 50FC | 67.32abc | 72.32ab | 69.82ab | 3.23a | 4.01a | 3.62a | 11.46abc | 13.86abc | 12.66ab | |
Mean (MBc) | 64.97b | 76.23a | Â | 3.16b | 3.75a | Â | 11.94a | 13.56a | Â | |
LSD (P ≤ 0.05) | A = 3.89 | B = 10.12 | AB = 16.71 |  A = 0.53 | B = 1.38 | AB = 2.27 |  A = 2.12 | B = 5.52 | AB = 9.12 | |