Maize Intercropping Systems Improve Nutrient for the Cowpea Crop in Sandy Soils

Morais, Denise Batista de; Ratke, Rafael Felippe; Bortolon, Leandro; Lacerda, Julian Junio de Jesús; Edvan, Ricardo Loiola; Zuffo, Alan Mário; Pacheco, Leandro Pereira

doi:10.1080/00103624.2020.1718688

Cited by 8 publications

(8 citation statements)

References 22 publications

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“…Legume production and, particularly peas, allows maintaining high soil fertility by their ability of biological nitrogen fixation (BNF) in association with Rhizobium bacteria (Negi et al 2006). Though they fix sufficient nitrogen (N) via BNF, their nutrient requirements (for elements, such as P, K, and Mg) are high (DAFF 2016;Batista de Moraisa et al 2020). For instance, peas and other legumines are demanding in P (Batista de Moraisa et al 2020).…”

Section: Cabi Agriculture and Biosciencementioning

confidence: 99%

“…Though they fix sufficient nitrogen (N) via BNF, their nutrient requirements (for elements, such as P, K, and Mg) are high (DAFF 2016;Batista de Moraisa et al 2020). For instance, peas and other legumines are demanding in P (Batista de Moraisa et al 2020). The phosphorous (P) plays crucial role in plant growth and development and is directly linked with root proliferation (in synergy with K), grain formation and maturity (GRDC 2018;Scanlon 2015).…”

Section: Cabi Agriculture and Biosciencementioning

confidence: 99%

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Di-ammonium phosphate (DAP) and plant density improve grain yield, nodulation capacity, and profitability of peas (Pisum sativum L.) on ferralsols in eastern D.R. Congo

et al. 2022

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Sustaining high crop yield and profitability on marginal soils, such as degraded ferralsols, calls for the use of adequate farming practices. In this study, we assessed for four cropping seasons the effect of di-ammonium phosphate (DAP) fertilizer application doses (100, 150, and 200 kg ha−1) and plant densities (100,000, 166,666, and 250,000 plants ha−1) on growth, yield, nodulation capacity, and profitability of two pea varieties (Adei and Rwanda) under degraded ferralsols in eastern Democratic Republic of Congo (DRC). Results showed that pea growth, yield, nodulation, and profitability were significantly affected by the DAP dose and the plant density. Application of 150 kg ha−1 of DAP improved pea yields from 730 to 1720 kg ha−1 and nodulation from 17 to 22 nodules per plant. The number of active nodules was positively correlated with total number of nodules, DAP doses, yield parameters, and plant height. High grain yield was recorded during the long rainy season (1400 kg ha−1) compared to the short one (930 kg ha−1). All DAP doses were profitable according to the agronomic efficiency (AE) and value–cost ratio (VCR) analyses. For improved and profitable pea production on degraded South-Kivu ferralsols, applying 150 kg ha−1 of DAP combined with low plant density are to be recommended and preferably in the long rainy season.

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Section: Cabi Agriculture and Biosciencementioning

confidence: 99%

Section: Cabi Agriculture and Biosciencementioning

confidence: 99%

Di-ammonium phosphate (DAP) and plant density improve grain yield, nodulation capacity, and profitability of peas (Pisum sativum L.) on ferralsols in eastern D.R. Congo

et al. 2022

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“…However, competition for resources with main crop is one of the biggest and most obvious concerns and limitations of living mulches, which may result in main crop yield reductions (Jeranyama et al, 2000). This is a particular problem in areas where water is a limiting resource, or where production is dependent on rainfall, as living mulches will utilize water that could otherwise have been utilized by the main crop (Batista De Morais et al, 2020). This study (Table 3a) showed that planting the sunn hemp living mulch earlier at P1 (simultaneous planting sunn hemp with maize) and P2 (planting at the V15 maize growth stage) could boost maize production with the IRWH technique.…”

Section: Maize Performancementioning

confidence: 82%

“…Maize water demands are critical at the flowering and grain filling stages and water competition during those periods can result in maize grain yield penalty (Batista De Morais et al, 2020). This is important in explaining the grain yield reductions observed in this study when the sunn hemp living mulch was planted at the R1 maize growth stage (P3).…”

Section: Maize Performancementioning

confidence: 82%

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Effects of intercropping sunn hemp into maize at different times and densities on productivity under rainwater harvesting technique

Dzvene

Tesfuhuney

Walker

et al. 2022

Front. Sustain. Food Syst.

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Maize is a major food crop in Sub-Saharan Africa (SSA), and its productivity is affected by climate change-adaptive sustainable management practices. A 2-year field study (2019/20 and 2020/21 growing seasons) was carried out to evaluate the effect of sunn hemp (Crotalaria juncea L.) living mulch management on maize (Zea mays L.) production. Three sunn hemp planting periods were simultaneous with maize planting (P1), V15 maize growth stage (P2), and R1 maize growth stage (P3) and three densities 16.1 plants m−2 (D1-low), 32.1 plants m−2 (D2-medium), and 48.1 plants m−2 (D3-high). The intercrop components were planted in a split-plot treatment arrangement as an additive series with three replications and laid out in a randomized complete block design under the in-field rainwater harvesting (IRWH) technique. The growing season conditions revealed significant differences in rainfall distribution. Therefore, the planting period had highly significant (p < 0.001) effects on sunn hemp biomass, with an LSD value of 610.2 kg ha−1, showing that the highest was obtained in P2 (2636.7 kg ha−1) compared to P3 (811.3 kg ha−1). However, the P3 treatment resulted in maize grain yield penalty, with yields as follows: P3 (2775.2 kg ha−1), sole maize (3263.8 kg ha−1), P2 (3281.9 kg ha−1), and P1 (3287.8 kg ha−1). P2 yielded a significantly (p < 0.05) high-income equivalent ratio of 2.09, indicating a 109% advantage for increasing farmers' income by integrating sunn hemp under the no-till area of IRWH. P1 and P2 sunn hemp planting periods are viable options for smallholder farmers in summer rainfall regions to improve economic benefits.

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Legume cover crops combined with no-tillage increase extractable sulfur in a subtropical Acrisol

Filippi,

Alves,

Flores

et al. 2024

European Journal of Agronomy

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Maize Intercropping Systems Improve Nutrient for the Cowpea Crop in Sandy Soils

Cited by 8 publications

References 22 publications

Di-ammonium phosphate (DAP) and plant density improve grain yield, nodulation capacity, and profitability of peas (Pisum sativum L.) on ferralsols in eastern D.R. Congo

Di-ammonium phosphate (DAP) and plant density improve grain yield, nodulation capacity, and profitability of peas (Pisum sativum L.) on ferralsols in eastern D.R. Congo

Effects of intercropping sunn hemp into maize at different times and densities on productivity under rainwater harvesting technique

Legume cover crops combined with no-tillage increase extractable sulfur in a subtropical Acrisol

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