Abstract
Abstract One‐third of all the cultivated land area is used for multiple cropping and half of the total grain yield is produced with multiple cropping in China. There have been numerous studies on nutrient acquisition by crops in legume/non‐legume intercropping systems, but few on nutrient uptake in cereal/cereal intercropping. This paper describes a field experiment in which integrated wheat/maize and maize/faba bean systems were compared with sole wheat and sole faba bean cropping to assess the effects of intercropping on nutrient uptake by wheat, maize, and faba bean under various application rates of nitrogen (N) and phosphorous (P) fertilizers. Results show that both N and P fertilizers and intercropping enhanced N uptake by wheat, while only P fertilizer and intercropping increased P acquisition by wheat. The advantage of N uptake by border rows of wheat intercropped with maize declined with increasing N fertilizer application rate, but that of P acquisition was not affected by P fertilizer. The amounts of both N and P taken up by maize intercropped with faba bean were much higher than those by maize intercropped with wheat throughout the period of intercropping. Both fertilization and intercropping did not influence the N and P uptake by faba bean. Keywords: Faba beanIntercroppingFertilizerMaizeNutrient acquisitionWheat Acknowledgments We thank the Major State Basic Research Development Program of the People's Republic of China (Project number G1999011707) and the National Natural Science Foundation of China (Project number 30070450) for generous financial support.
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Claims 11
Claim · model-written summary
Nitrogen fertilizer enhanced wheat nitrogen uptake.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Ne0
- Outcome
- N uptakee0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both N and P fertilizers and intercropping enhanced N uptake by wheat”
Claim · model-written summary
Phosphorus fertilizer enhanced wheat nitrogen uptake.
- Taxon
- wheatTriticum aestivume0
- Treatment
- P fertilizerse0
- Outcome
- N uptakee0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both N and P fertilizers and intercropping enhanced N uptake by wheat”
Claim · model-written summary
Intercropping enhanced wheat nitrogen uptake.
- Taxon
- wheatTriticum aestivume0
- Treatment
- intercroppinge0
- Outcome
- N uptakee0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both N and P fertilizers and intercropping enhanced N uptake by wheat”
Claim · model-written summary
Phosphorus fertilizer increased wheat phosphorus acquisition.
- Taxon
- wheatTriticum aestivume0
- Treatment
- P fertilizere0
- Outcome
- P acquisitione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“only P fertilizer and intercropping increased P acquisition by wheat.”
Claim · model-written summary
Intercropping increased wheat phosphorus acquisition.
- Taxon
- wheatTriticum aestivume0
- Treatment
- intercroppinge0
- Outcome
- P acquisitione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“only P fertilizer and intercropping increased P acquisition by wheat.”
Claim · model-written summary
The nitrogen uptake advantage of border-row wheat declined as nitrogen fertilizer rate increased.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- border rowse0
- Treatment
- increasing N fertilizer application ratee0
- Outcome
- advantage of N uptakee0
- Direction
- declinede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The advantage of N uptake by border rows of wheat intercropped with maize declined with increasing N fertilizer application rate”
Claim · model-written summary
The phosphorus acquisition advantage of wheat was not affected by phosphorus fertilizer.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- P fertilizere0
- Outcome
- P acquisitione0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“that of P acquisition was not affected by P fertilizer.”
t0“Wheat”
Claim · model-written summary
Maize intercropped with faba bean took up much more nitrogen than maize intercropped with wheat.
- Treatment
- intercropped with faba beane0
- Outcome
- Ne0
- Direction
- highere0
- Comparator
- maize intercropped with wheate0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The amounts of both N and P taken up by maize intercropped with faba bean were much higher than those by maize intercropped with wheat throughout the period of intercropping.”
Claim · model-written summary
Maize intercropped with faba bean took up much more phosphorus than maize intercropped with wheat.
- Treatment
- intercropped with faba beane0
- Outcome
- Pe0
- Direction
- highere0
- Comparator
- maize intercropped with wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The amounts of both N and P taken up by maize intercropped with faba bean were much higher than those by maize intercropped with wheat throughout the period of intercropping.”
Claim · model-written summary
Fertilization did not influence faba bean nitrogen and phosphorus uptake.
- Taxon
- faba bean
Vicia fabae0 - Treatment
- fertilizatione0
- Outcome
- N and P uptakee0
- Direction
- did not influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both fertilization and intercropping did not influence the N and P uptake by faba bean.”
Claim · model-written summary
Intercropping did not influence faba bean nitrogen and phosphorus uptake.
- Taxon
- faba beanVicia fabae0
- Treatment
- intercroppinge0
- Outcome
- N and P uptakee0
- Direction
- did not influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both fertilization and intercropping did not influence the N and P uptake by faba bean.”
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See all 959 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.