Effect of bio-fertilizers, organic fertilizer and irrigation periods on the traits of vegetative growth for rice plant (oryza sativa l.)‎ Anbar 33 cultivar

الملخص EN

This study was conducted in the Abu Al-Jasim region located in northern of Babylon province, in order to know the effect of bio-fertilizers, organic fertilizer and irrigation periods on the traits of vegetative growth for rice plant.

The spilt-spilt plots were used according to the Randomized Complete Block Design (RCBD), with three replicates, where the treatments of irrigation periods (continuous irrigation, irrigation every 6 days) occupied the main plots, while the organic fertilizer (300: 150: 100 kg.

ha-1) NPK of the recommended quantity, 85% sheep manure: 15% poultry waste, 70% sheep manure: 30% poultry waste, 100% sheep manure) occupied sub-plots, while the bio-fertilization treatments (0, 83.

33 g.

ml-1 Mycorrhiza, 1.

67 g.

ml-1 Trichoderma, 10 ml.

L-1 water EM1) occupied sub-sub-plots.

The results showed the following: Bio-fertilizers were significantly excelled in the traits of vegetative growth for rice plants (plant height, area of flag leaf, the flag leaf content of chlorophyll, length of panicle, number of tillers per m2).

where the plants treated with Mycorrhiza (C1) has excelled by giving it the highest average for the number of tillers per m2 amounted to (449.

24, 437.

26 tillers.

m-2) for both seasons, respectively, while plants of control treatment (C0) gave the lowest average amounted to (406.

70, 408.

75 tillers.

m-2) for both seasons, respectively.

The adding of the organic fertilizer affected in the increasing the traits of vegetative growth for rice plant (plant height, area of flag leaf, the flag leaf content of chlorophyll, length of panicle, number of tillers per m2), where the plant treated with organic fertilizer (B3) has excelled by giving it the highest average for the number of tillers per m2 which amounted to (461.

52, 449.

32 tillers.

m-2) for both seasons, respectively, while the plants of the control treatment (B0) gave the lowest average amounted to (413.

86, 409.

89 tillers.

m-2) for both seasons respectively.

The irrigation treatment every 6 days was significantly excelled in the traits of (plant height, area of flag leaf, the flag leaf content of chlorophyll, length of panicle, number of tillers per m2), where the plants of the irrigation treatment every 6 days has excelled by giving them the highest average for the numbers of tillers amounted to (439.

66, 410.

13 tillers.

m-2) for both seasons, respectively, while the plants of continuous irrigation treatment gave the lowest average amounted to (418.

14, 407.

38 tillers.

m-2) for both seasons, respectively.

The bi-interaction between irrigation periods and bio-fertilizers affected significantly for some studied traits.

The bi-interaction between irrigation periods and organic fertilizers also affected significantly for some studied traits.

The bi-interaction between organic fertilizers and bio-fertilizers showed a significant effect on some studied traits.

The triple interaction between the study factors gave a significant increase in the traits of the vegetative growth for the rice plant (plant height, area of flag leaf, the flag leaf content of chlorophyll, length of panicle, number of tillers per m2), respectively.