White clover living mulch reduces the need for phosphorus fertilizer application to corn

Deguchi, Shin; Uozumi, Sunao; Touno, Eiko; Uchino, Hiroshi; Kaneko, Makoto; Tawaraya, Keitaro

doi:10.1016/j.eja.2017.03.006

Cited by 24 publications

(18 citation statements)

References 32 publications

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“…In the experiment of Hong et al [48], under semiarid vegetative conditions, yields of maize intercropped with legumes increased from 1.3 to 2.3 tonnes ha −1 . Similar conclusions were drawn by Deguchi et al [49] after experimenting with white clover living mulch and by Ren et al [50] after experimenting with mustard. In other experiments (with broccoli rabe, cauliflower, maize, wheat, barley, oats, etc.…”

Section: Sugar Beet Root-crop Yield and Quality Parameterssupporting

confidence: 84%

The Impact of Intercropping on Soil Fertility and Sugar Beet Productivity

et al. 2020

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There is a lack of research on the practice of intercropping sugar beet and the impact of such agrocenoses on soil and crop fertility, especially under organic farming conditions. For this reason, a three-year stationary field experiment was performed at Vytautas Magnus University, Agriculture Academy, Lithuania. Sugar beet was grown continuously with intercropped Persian clover (Trifolium resupinatum L., MC), white mustard (Sinapis alba L., MM) and spring barley (Hordeum vulgare L., MB) as a living mulch. Inter-row loosening (CT) and mulching with ambient weeds (MW) were used as comparative treatments. The results showed that, under minimal fertilization, CT and intercropping increased the average content of nitrogen, phosphorus and potassium in the soil. However, the average content of magnesium was reduced in single cases (MW, MB), and the average content of sulphur was reduced in all cases. Intercropping significantly decreased the yields of sugar beet root-crop, but was mainly neutral in quality terms. The meteorological conditions during experimentation had a weak impact on root-crop quantity and quality. Generally, the practice of sugar beet intercropping requires more detailed research on how to minimize the competition between the sugar beet, living mulch and weeds, and how to balance the nutrition conditions.

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Section: Sugar Beet Root-crop Yield and Quality Parameterssupporting

confidence: 84%

The Impact of Intercropping on Soil Fertility and Sugar Beet Productivity

et al. 2020

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“…In addition, Wojciechowski et al [12] reported positive effects of living mulch with white clover and perennial ryegrass on soil structure in terms of stability of soil aggregates. White clover has been reported to increase arbuscular mycorrhiza and yield of corn, because its living mulch acts as a host plant for these organisms in winter [13][14][15]. Costello [16] reported the results of research on broccoli grown with no cover crop or with living mulches (white clover, strawberry clover, and mixture of birdsfoot trefoil and red clover) and showed that the aphid infestation was less in living mulches than under clean cultivation.…”

Section: Introductionmentioning

confidence: 99%

Living Mulch and Organic Fertilization to Improve Weed Management, Yield and Quality of Broccoli Raab in Organic Farming

Fracchiolla

Renna

D’Imperio

et al. 2020

Plants

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Living mulch gives many benefits to agro-ecosystems such as erosion control, nitrogen fixation and nutrient recycling, increasing of organic matter, weed and pest control, and increasing of soil organism. The experiment, carried out in Puglia, Southern Italy on transplanted broccoli raab (cv. Grossa fasanese), evaluated four soil management systems (SMSs): Trifolium subterraneum and T. repens used as living mulch, undisturbed weedy, and conventional tillage. For each SMS, four rates of nitrogen and phosphorous (NP0, NP1, NP2, and NP3) were supplied, using an organic fertilizer. The following data were collected: weed infestation, leaf chlorophyll in the plants (as SPAD units), weight, diameter, and colour of the inflorescences, anion and Mg, Fe, Na, K, Ca content. Fertilization showed prominent effects on most of parameters evaluated. The Sufficient Index of broccoli raab plants was higher in fertilized plots. With the increasing of fertilization rates, weight of primary inflorescences and the marketable yield linearly increased, confirming the great influence of nitrogen fertilization on the yield of Brassicaceae vegetables and highlighting the importance of combining living mulch and fertilization. By increasing fertilization rates, some elements, such as Mg and Fe, increased, whereas a decrease of Na, K, and Ca was observed. The nitrate content in the inflorescences was different only between the fertilized and unfertilized plots, although it was very low. In NP2 and NP3 a greener colour was found. Living mulch did not clearly affect quality and yield of broccoli raab but was effective in weed control. Results show the positive effects of living mulch and organic fertilization in the sustainable production of broccoli raab.

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“…For croplands, experiments with single applications of fertilizer are not as common as those for natural ecosystems and it is usually difficult to retrieve the application level before the experiment (e.g. Deguchi et al, 2017;Restelatto et al, 2017), which prevents an accurate definition of the control in these cases. On the other hand, long-term field experiments are common in croplands (especially for P, e.g.…”

Section: The Characterization Of Multiple Element Limitation Remainsmentioning

confidence: 99%

Insights on nitrogen and phosphorus co-limitation in global croplands from theoretical and modelling fertilization experiments

Ringeval

Kvakić

Augusto

et al. 2019

Preprint

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<p><strong>Abstract.</strong> Crossed fertilization additions are a common tool to assess nutrient interaction in a given ecosystem. Such fertilization experiments lead to the definition of nutrient interaction categories: e.g. simultaneous co-limitation, single resource response, etc. (Harpole et al., 2011). However, the implications of such categories in terms of nutrient interaction modeling are not clear. To this end, we developed a theoretical analysis of nitrogen (N) and phosphorus (P) fertilization experiments based on the computation of ratios between plant demand and soil supply for each nutrient. The theoretical analysis is developed following two mathematical formalisms of interaction: Liebig's law of minimum and multiple limitation hypothesis. As results of the theoretical framework, we defined the corresponding between most Harpole categories and the values of the limitation by each nutrient when considered alone in the control experiment (i.e. without additional nutrient supply). We showed that synergistic co-limitation could occur even using Liebig's formalism under certain conditions as a function of the amount of N and P added in fertilization experiments. We then applied our framework with global maps of soil supply and plant demand for croplands to achieve their potential yield. This allowed us to estimate the global occurrence of each limitation category, for each of the possible interaction formalism. We found that a true co-limitation could affect a large proportion of the global crop area (e.g. ~&#8201;42&#8201;% for maize) if multiple limitation hypothesis is assumed. Our work clarifies the conditions required to achieve N and P co-limitation as function of the interaction formalism. Combined with compilation of field trials in cropland, our study would improve our understanding of nutrient limitation in cropland at the global scale.</p>

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White clover living mulch reduces the need for phosphorus fertilizer application to corn

Cited by 24 publications

References 32 publications

The Impact of Intercropping on Soil Fertility and Sugar Beet Productivity

The Impact of Intercropping on Soil Fertility and Sugar Beet Productivity

Living Mulch and Organic Fertilization to Improve Weed Management, Yield and Quality of Broccoli Raab in Organic Farming

Insights on nitrogen and phosphorus co-limitation in global croplands from theoretical and modelling fertilization experiments

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