Conversion to No-Till Improves Maize Nitrogen Use Efficiency in a Continuous Cover Cropping System

Habbib, Hazzar; Verzeaux, Julien; Nivelle, Élodie; Roger, David; Lacoux, Jérôme; Catterou, Manuella; Hirel, Bertrand; Dubois, Frédéric; Tétu, Thierry

doi:10.1371/journal.pone.0164234

Cited by 26 publications

(14 citation statements)

References 73 publications

(63 reference statements)

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“…Soil physical and chemical characteristics are provided in Habbib et al [26]. Weather-related parameters for this area were as follows: average annual precipitation 675 mm, average annual temperature 10.5 • C. The field was cultivated using a chisel plough and rotary power system until 2010, when the experiment was initiated.…”

Section: Site Description and Experimental Designmentioning

confidence: 99%

“…Both the N supply to the soil and the N available to the crop are expressed in kg kg −1 . The available N corresponds to the sum of applied N fertilizer and total plant N uptake in non-fertilized plots for each tillage system [26].…”

Section: Crop Sampling and Plant Analysismentioning

confidence: 99%

“…Among the agronomic approaches, it has been emphasized that short-and long-term agricultural management practices must be further developed for sustainable crop production, using N more efficiently. A number of these agricultural practices are based on the development of soil conservation, a technique known to improve the uptake of soil N by the plant [10,26] and to increase the content of soil organic matter (SOM) [27][28][29][30][31][32].…”

Section: Introductionmentioning

confidence: 99%

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Investigating the Combined Effect of Tillage, Nitrogen Fertilization and Cover Crops on Nitrogen Use Efficiency in Winter Wheat

et al. 2017

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A field study was conducted in northern France over two consecutive years to evaluate the combined effect of conventional tillage (CT) vs no till (NT) with or without cover crops (cc) and nitrogen (N) fertilization on various agronomic traits related to N use efficiency in winter wheat. Five years after conversion of CT to NT, significant increases in N use efficiency, N utilization efficiency, N agronomic efficiency, N partial factor productivity, N apparent recovery fraction and N remobilization were observed under three N fertilization regimes (0, 161, 215 kg ha −1 ). It was also observed that grain yield and grain N content were similar under CT and NT. The N nutrition index was higher under NT at the three rates of N fertilization. Moreover, N use efficiency related traits were increased in the presence of cc both under NT and CT. Thus, agronomic practices based on continuous NT in the presence of cc, appear to be promising strategies to increase N use efficiency in wheat, while reducing both the use and the loss of N-based fertilizers.

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Section: Site Description and Experimental Designmentioning

confidence: 99%

Section: Crop Sampling and Plant Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Investigating the Combined Effect of Tillage, Nitrogen Fertilization and Cover Crops on Nitrogen Use Efficiency in Winter Wheat

et al. 2017

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“…These genotype-by-tillage interactions also suggests that selection of genotypes in the target environment would be required in order to improve adaptation to conservation agriculture systems characterised by reduced or non-inversion tillage. This would enable enhanced performance with reduced tillage, as part of conservation agriculture systems, which are able to make more efficient use of nutrients (Habbib et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

Effects of breeding history and crop management on the root architecture of wheat

Fradgley

Evans²,

Biernaskie

et al. 2020

Preprint

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28Aims 29 Selection for optimal root system architecture (RSA) is important to ensure genetic gains in the sustainable production 30 of wheat (Triticum aestivum L.). Here we examine the idea that past wheat breeding has led to changes in RSA and 31 that future breeding efforts can focus directly on root traits to improve adaptation to a target environment. 32 Methods 33We conducted three field trials using diverse wheat varieties, including modern and historic UK varieties and non-UK 34 landraces, tested under contrasting tillage regimes (non-inversion tillage versus conventional ploughing) or different 35 seeding rates (standard rate versus high rate). We used field excavation, washing and measurement of root crowns 36 ('shovelomics') to characterise RSA traits, including: numbers of seminal, crown and nodal roots per plant, and crown 37 root growth angle. 38 Results 39We found large differences among genotypes for all root traits. Modern varieties generally had fewer roots per plant 40 than historic varieties. There were fewer crown roots and root angles were wider, on average, under shallow non-41 inversion tillage compared with conventional ploughing. Crown root numbers per plant also tended to be smaller at a 42 high seeding rate compared with the standard rate. There were significant genotype-by-year, genotype-by-tillage and 43 genotype-by-seeding-rate interactions for many root traits. 44 Conclusions 45Smaller root systems is likely to be a result of past selection and may have facilitated historical yield increases by 46 reducing below-ground competition within the crop. The effects of crop management practices on RSA depend on

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“…Efisiensi serapan N tanaman dihitung untuk melihat berapa persen serapan N yang dimanfaatkan tanaman untuk pertumbuhan. Efisiensi serapan N dihitung menggunakan rumus : Keterangan: SP : Serapan N pada tanaman yang di pupuk (kg N ha -1 ) SK : Serapan N pada tanaman yang tidak dipupuk (kg N ha -1 ) HP : Pupuk N yang diberikan (kg N ha -1 ) (Habbib et al 2016).…”

Section: Metode Penelitianunclassified

Respon Serapan Hara Makro-Mikro dan Produksi Tanaman Jagung (Zea mays L.) Terhadap Pemupukan Nitrogen dan Praktik Olah Tanah Jangka Panjang

Agsari

Utomo

Hidayat

et al. 2020

J. Trop. Upland Res.

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Tujuan penelitian ini untuk mengevaluasi pengaruh pemupukan N dan sistem olah tanah jangka panjang tahun ke-29 terhadap serapan hara makro-mikro dan produksi tanaman jagung. Penelitian jangka panjang yang dimulai sejak 1987 ini dilakukan di Politeknik Negeri Lampung pada Oktober 2016 - Januari 2017. Percobaan faktorial disusun dalam rancangan acak kelompok dengan empat ulangan. Faktor pertama adalah pemupukan N dengan dosis 0 (N0) dan 200 kg N ha-1(N2), sedangkan faktor kedua adalah sistem olah tanah yaitu olah tanah intensif (T2), olah tanah minimum (T1) dan tanpa olah tanah (T0). Hasil penelitian menunjukkan bahwa perlakuan N2 meningkatkan serapan hara makro dan mikro lebih tinggi dibandingkan tanpa pemupukan N, sedangkan praktik olah tanah tidak berpengaruh terhadap peningkatan serapan hara, kecuali B. Interaksi N2 dan T1 menghasilkan produksi jagung dan serapan hara S lebih tinggi dibandingkan interaksi N2 dengan T2 (p<0,05), namun sama dengan interaksi N2 dan T0. Praktik olah tanah minimum jangka panjang menghasilkan efisiensi serapan nitrogen (ESN) lebih tinggi dibandingkan T0 dan T2 yaitu sebesar 16,28%. Sementara nilai Relative Agronomic Effectivenes (RAE) N2 dan perlakuan sistem olah tanah jangka panjang menghasilkan nilai RAE berturut-turut sebesar 3,50; 9,50 dan 19,5 kg pipilan jagung per 1 kg pupuk N pada T2, T1 dan T0.

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Conversion to No-Till Improves Maize Nitrogen Use Efficiency in a Continuous Cover Cropping System

Cited by 26 publications

References 73 publications

Investigating the Combined Effect of Tillage, Nitrogen Fertilization and Cover Crops on Nitrogen Use Efficiency in Winter Wheat

Investigating the Combined Effect of Tillage, Nitrogen Fertilization and Cover Crops on Nitrogen Use Efficiency in Winter Wheat

Effects of breeding history and crop management on the root architecture of wheat

Respon Serapan Hara Makro-Mikro dan Produksi Tanaman Jagung (Zea mays L.) Terhadap Pemupukan Nitrogen dan Praktik Olah Tanah Jangka Panjang

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