Randomised block design with three replicates.
Hand-held sprayer with 3m boom in 200L of water / Ha
Applied between 6.30 and 7.00am in cloudy conditions at 6 degrees
|Treatments||Autumn AN (kg N/ha)||Additional Autumn treatments (GS 1,3)||Spring) AN (kg N/ha)||Additional Spring Treatments|
|5||0||C active % Push UPP||120||C active % Push UPP|
|6||0||C active % Push UPP||240||C active % Push UPP|
|7||30||C active % Push UPP||120||C active % Push UPP|
|8||30||C active % Push UPP||240||C active % Push UPP|
|Autumn Treatment Biomass||Crop N (t/ha)||SMN (kg N/ha)||(kg N/ha)||(kg N/ha)|
|30kg N/ha AN||0.365||16.2||36.7||52.9|
|30 kg N/Ha + C active||0.531||25.4||33.9||59.4|
|SED (8 df)||0.0542||2.749||5.77||8.33|
(Extracted from, Efficacy of C active and DH Delta in oilseed rape)
|Treatment||Autumn||Spring||Yield (t/Ha at 91% DM)|
|5||C active||120Kg/N & C active||3.03|
|6||C active||240Kg/N & C active||2.97|
|7||30 AN & C active||120Kg/N & C active||2.93|
|8||30 AN & C active||240Kg/N & C active||3.33|
|SED (18 df)||0.318|
The experiment experienced an unusually cold and prolonged winter, resulting in a smaller and more backward than usual crop throughout winter and spring.
The increase in crop biomass and N content at end of winter due to application of C-active Microbial Technology suggests that C-active Microbial Technology is effective in increasing availability or uptake of autumn applied ammonium nitrate in oil seed rape.
There was no significant effect of treatment on yield, but there was a trend for C-active Microbial Technology to increase yield for every combination of autumn and spring ammonium nitrate rate, by an average of 0.26 t/Ha.