Abstract
The effects of composted manure utilised as an alternative fertiliser in maize forage production on soil microbial-biomass was studied. Five different field treatments (with and without atrazine) were compared: control (without fertiliser), fresh manure, composted manure, inorganic-N fertiliser (nitram), compost++nitram. Fresh and dry matter of forage biomass was determined at the end of growing season, and soil microbial C-biomass and microbial N-biomass were determined during crop cycle. A decrease on forage yield was observed in fresh manure treatment without atrazine, probably caused by strong competition for nutrient uptake among crop, weeds and micro-organisms. The addition of inorganic fertiliser did not bring any significant increase in soil N-biomass due to the high basal organic matter content of soil.
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Claims 2
Claim · model-written summary
Fresh manure without atrazine decreased maize forage yield, probably because of competition for nutrient uptake among crop, weeds and micro-organisms.
- Treatment
- fresh manure treatment without atrazinee1
- Interactor
- weedse2weed
- Second interactor
- micro-organismse2other
- Outcome
- forage yielde1
- Direction
- decreasee1
- Qualifier
- probably caused by strong competition for nutrient uptake among crop, weeds and micro-organismse2
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays) production”
e1“A decrease on forage yield was observed in fresh manure treatment without atrazine”
e2“probably caused by strong competition for nutrient uptake among crop, weeds and micro-organisms”
Claim · model-written summary
Addition of inorganic fertiliser did not significantly increase soil N-biomass, owing to the high basal organic matter content of the soil.
- Treatment
- addition of inorganic fertilisere3
- Outcome
- soil N-biomasse3
- Direction
- did not bring any significant increasee3
- Qualifier
- due to the high basal organic matter content of soile3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays) production”
e3“The addition of inorganic fertiliser did not bring any significant increase in soil N-biomass due to the high basal organic matter content of soil”
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