Abstract
ABSTRACT The common bean succession to intercropped crops in the no-tillage system is beneficial, especially in the search for sustainability. In addition to the straw production, the intercropping can supply nitrogen (N) to the common bean grown in succession, reducing the use of mineral fertilizer, which is pollutant and has a high cost. The present study aimed to evaluate the response to N fertilization of common bean in succession to maize cropping systems, as well as the viability of these systems in the no-tillage system. The experimental design was randomized blocks, in a split-plot arrangement, with four replicates. The plots consisted of the following systems: maize as a single crop, maize intercropped with brachiaria and maize intercropped with crotalaria. The subplots were five N doses (0 kg ha-1, 50 kg ha-1, 100 kg ha-1, 150 kg ha-1 and 200 kg ha-1), applied as topdressing fertilization in winter common bean, in succession to the maize cropping systems. For the maize cultivation systems, the grain yield and N amount and accumulation in the straw were evaluated. As for the common bean in succession, the grain yield and grain quality attributes were assessed. Although the three cropping systems were viable for maize grain yield, the intercropping of maize with crotalaria led to a higher N accumulation in the straw and a larger quantity of straw dry mass. The increase of the N doses promoted an increase in the grain yield of common bean grown in succession to intercropped maize. Maize intercropped with crotalaria resulted in grains with a higher size and, concerning the grain yield, an equivalent effect to that of a topdressing application of more than 200 kg ha-1 of N was observed for the common bean in succession.
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Claims 5
Claim · model-written summary
All three maize cropping systems were viable for maize grain yield.
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Although the three cropping systems were viable for maize grain yield”
Claim · model-written summary
Maize intercropped with crotalaria increased N accumulation in the straw and straw dry mass relative to maize as a single crop.
- Treatment
- the intercropping of maize with crotalariae1
- Outcome
- N accumulation in the straw and a larger quantity of straw dry masse1
- Direction
- highere1
- Comparator
- maize as a single crope2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“the intercropping of maize with crotalaria led to a higher N accumulation in the straw and a larger quantity of straw dry mass”
e2“maize as a single crop”
Claim · model-written summary
Increasing topdressing N doses increased common bean grain yield when grown after intercropped maize.
- Taxon
- common bean
Phaseolus vulgarise1 - Treatment
- increase of the N dosese1
- Outcome
- grain yielde1
- Direction
- increasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The increase of the N doses promoted an increase in the grain yield of common bean grown in succession to intercropped maize”
Claim · model-written summary
Maize intercropped with crotalaria gave common bean grains of higher size.
- Taxon
- common beanPhaseolus vulgarise1
- Treatment
- Maize intercropped with crotalariae1
- Outcome
- sizee1
- Direction
- highere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Maize intercropped with crotalaria resulted in grains with a higher size and, concerning the grain yield, an equivalent effect to that of a topdressing application of more than 200 kg ha-1 of N was observed for the common bean in succession”
Claim · model-written summary
Maize intercropped with crotalaria gave common bean grain yield equivalent to topdressing more than 200 kg ha-1 of N.
- Taxon
- common beanPhaseolus vulgarise1
- Treatment
- Maize intercropped with crotalariae1
- Outcome
- grain yielde1
- Direction
- equivalent effecte1
- Comparator
- topdressing application of more than 200 kg ha-1 of Ne1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Maize intercropped with crotalaria resulted in grains with a higher size and, concerning the grain yield, an equivalent effect to that of a topdressing application of more than 200 kg ha-1 of N was observed for the common bean in succession”
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