Khraiwesh Basel (47 results)
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Taschenbuch. Condition: Neu. Optimal Nitrogen Utilization in Lettuce Plants | Effect of Nitrogen Forms, Plant Spacing and Irrigation Level on Lettuce Plants (Lactuca sativa L.) | Basel Khraiwesh | Taschenbuch | 76 S. | Englisch | 2011 | LAP LAMBERT Academic Publishing | EAN 9783844393972 | Verantwortliche Person für die EU: prei…gu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.
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Taschenbuch. Condition: Neu. RNA interference pathways in the moss Physcomitrella patens | The regulatory role of small RNAs in the moss Physcomitrella patens | Basel Khraiwesh | Taschenbuch | 128 S. | Englisch | 2011 | LAP LAMBERT Academic Publishing | EAN 9783844325188 | Verantwortliche Person für die EU: BoD - Books on Demand…, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu.
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Language: Spanish
Published by Ediciones Nuestro Conocimiento Aug 2021, 2021
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -La lechuga es uno de los cultivos de ensalada más importantes del mundo. El nitrógeno (N) es el nutriente más frecuente en la producción de cultivos, es bien sabido que el N añadido se distribuye en la planta, la fracción fija en el… suelo, se lixivia en el nivel freático o se desnitrifica en la atmósfera. Por lo tanto, cualquier técnica que mejore la eficiencia de absorción de N de la planta, especialmente la de las plantas de raíces superficiales, acabará por reducir la cantidad de pérdida de N y el impacto en el medio ambiente. Por otra parte, parte del N absorbido podría acumularse como nitrato. Alrededor del 70% del total del nitrato consumido por las personas proviene de los vegetales. La densidad de plantación, el nivel de riego y las prácticas de fertilización están poco estudiadas y se desconocen en gran medida los efectos de las diferentes formas de N en la calidad de la lechuga (especialmente el contenido de nitrato) y en el medio ambiente. Por lo tanto, este libro mostrará la mejor forma de nitrógeno, el espaciamiento de las plantas y el nivel de riego, que proporcionan el mayor rendimiento y el máximo porcentaje de recuperación de nitrógeno y proporcionan a la lechuga una calidad en términos del menor nivel de acumulación de nitrato en las hojas, según se ve afectado por la forma de nitrógeno, el espaciamiento de las plantas y el nivel de riego. 64 pp. Spanisch.
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -La laitue est l'une des plus importantes cultures de salade au monde. L'azote (N) est l'élément nutritif le plus fréquent dans la production végétale, il est bien connu que l'azote ajouté est distribué dans la plante, la fraction fi…xe dans le sol, lessivé dans la nappe phréatique ou dénitrifié dans l'atmosphère. Par conséquent, toute technique qui améliore l'efficacité d'absorption de l'azote par la plante, en particulier celle des plantes à racines peu profondes, finira par réduire la quantité de N perdue et l'impact sur l'environnement. D'autre part, une partie de l'azote absorbé pourrait être accumulée sous forme de nitrate. Environ 70 % du nitrate total consommé par l'homme provient des légumes. La densité de plantation, le niveau d'irrigation et les pratiques de fertilisation sont mal étudiés et les effets des différentes formes d'azote sur la qualité de la laitue (en particulier la teneur en nitrate) et sur l'environnement sont largement méconnus. Ce livre montrera donc la meilleure forme d'azote, l'espacement des plantes et le niveau d'irrigation, qui assurent le rendement le plus élevé et le pourcentage maximum de récupération de l'azote et qui assurent la qualité de la laitue en termes de niveau d'accumulation de nitrate le plus faible dans les feuilles, en fonction de la forme d'azote, de l'espacement des plantes et du niveau d'irrigation. 64 pp. Französisch.
Language: English
Published by LAP LAMBERT Academic Publishing Mai 2011, 2011
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Lettuce is one of the most important salad crops grown in worldwide. Nitrogen (N) is the most frequent nutrient in crop production, it is well known that added N is distributed into the plant, the fixed fraction in the soil, leached… into the water table or denitrified into the atmosphere. Therefore any technique that improves the N absorption efficiency of the plant especially that of shallow-rooted plants will eventually reduce the amount of N loss and the impact on the environment. On the other hand, some of the absorbed N could be accumulated as nitrate. About 70% of total consumed nitrate by people come from vegetables. Planting density, irrigation level and fertilization practices are poorly studied and the effects of different N forms on lettuce quality (especially nitrate content) and on the environment are largely unknown. So this book will show the best nitrogen form, plant spacing and irrigation level, which provide the highest yield and maximum percentage of nitrogen recovery and provide lettuce quality in terms of the least nitrate accumulation level in leaves as affected by nitrogen form, plant spacing and irrigation level. 76 pp. Englisch.
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Sla is een van de belangrijkste slateeltgewassen ter wereld. Stikstof (N) is de meest voorkomende voedingsstof in de gewasproductie, het is bekend dat toegevoegde N wordt verdeeld in de plant, de vaste fractie in de bodem, uitgeloog…d in de waterspiegel of gedenitrificeerd in de atmosfeer. Daarom zal elke techniek die de N-absorptie-efficiëntie van de plant verbetert, in het bijzonder die van ondiepgewortelde planten, uiteindelijk de hoeveelheid N-verlies en de impact op het milieu verminderen. Anderzijds zou een deel van de geabsorbeerde N kunnen worden geaccumuleerd als nitraat. Ongeveer 70% van het totale verbruikte nitraat door mensen is afkomstig van groenten. De plantdichtheid, het irrigatieniveau en de bemestingspraktijken zijn slecht bestudeerd en de effecten van verschillende N-vormen op de kwaliteit van de sla (vooral het nitraatgehalte) en op het milieu zijn grotendeels onbekend. Dit boek zal dus de beste stikstofvorm, de plantafstand en het irrigatieniveau laten zien, die de hoogste opbrengst en het maximale percentage aan stikstofterugwinning opleveren en de kwaliteit van de sla leveren in termen van de minste nitraataccumulatie in de bladeren zoals beïnvloed door de stikstofvorm, de plantafstand en het irrigatieniveau. 60 pp. Niederländisch.
Language: English
Published by LAP LAMBERT Academic Publishing Apr 2011, 2011
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Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -RNA interference (RNAi) is a mechanism regulating gene transcript levels by either transcriptional gene silencing (TGS) or by posttranscriptional gene silencing (PTGS), which acts in genome maintenance and the regulation of developm…ent. This book show the role of Dicer proteins in the moss Physcomitrella patens, which has four Dicers (DICER-LIKE 1a (DCL1a), DCL1b, DCL3 and DCL4). The Physcomitrella patens was chosen because the dual functions of Dicers in miRNA biogenesis and target cleavage are separable in this species. Using targeted knockout-mutants of Physcomitrella patens, it was shown that DCL1a is required for miRNA biogenesis and DCL1b is required for miRNA-induced target RNA cleavage. Based on these data from Physcomitrella patens a model is proposed for the gene-specific control of transcription factors upon dysfunctions of the RNAi machinery. Similar control mechanisms could be exist in other eukaryotes as well. Also this book provide evidence that artificial miRNAs (amiRNAs) can be used as an alternative tool for studying gene functions in Physcomitrella patens. 128 pp. Englisch.
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Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Khraiwesh BaselDr. Basel Khraiwesh is Postdoctoral Fellow at the Plant Stress Genomic and Technology Research Center at KAUST University. He has previously worked at other academic institutions such as…the VIB Department of Plant Sys.
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Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Khraiwesh BaselDr. Basel Khraiwesh is Postdoctoral Fellow at the Plant Stress Genomic and Technology Research Center at KAUST University. He has previously worked at other academic institutions such as…the VIB Department of Plant Sys.
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Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -La lattuga è una delle colture di insalata più importanti al mondo. L'azoto (N) è il nutriente più frequente nella produzione delle colture, è noto che l'azoto aggiunto viene distribuito nella pianta, la frazione fissa nel terreno,…lisciviato nella falda acquifera o denitrificato nell'atmosfera. Pertanto, qualsiasi tecnica che migliori l'efficienza di assorbimento di N della pianta, in particolare quella delle piante a radice bassa, finirà per ridurre la quantità di perdita di N e l'impatto sull'ambiente. D'altra parte, parte dell'N assorbito potrebbe essere accumulato sotto forma di nitrato. Circa il 70% del nitrato totale consumato dalle persone proviene da vegetali. La densità di impianto, il livello di irrigazione e le pratiche di fertilizzazione sono poco studiati e gli effetti delle diverse forme di N sulla qualità della lattuga (soprattutto il contenuto di nitrati) e sull'ambiente sono in gran parte sconosciuti. Quindi questo libro mostrerà la migliore forma di azoto, la spaziatura delle piante e il livello di irrigazione, che forniscono la più alta resa e la massima percentuale di recupero dell'azoto e forniscono la qualità della lattuga in termini di minor livello di accumulo di nitrati nelle foglie, in quanto influenzata dalla forma di azoto, dalla spaziatura delle piante e dal livello di irrigazione. 64 pp. Italienisch.
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Kopfsalat ist eine der wichtigsten Salatkulturen, die weltweit angebaut werden. Stickstoff (N) ist der häufigste Nährstoff in der Pflanzenproduktion. Es ist bekannt, dass zugesetztes N in der Pflanze verteilt wird, die feste Fraktio…n im Boden, in den Grundwasserspiegel ausgewaschen oder in die Atmosphäre denitrifiziert wird. Daher wird jede Technik, die die N-Absorptionseffizienz der Pflanze verbessert, insbesondere die von flachwurzelnden Pflanzen, letztendlich die Menge des N-Verlusts und die Auswirkungen auf die Umwelt reduzieren. Auf der anderen Seite könnte ein Teil des absorbierten N als Nitrat akkumuliert werden. Ungefähr 70% des gesamten von Menschen konsumierten Nitrats stammen aus Gemüse. Pflanzdichte, Bewässerungsniveau und Düngungspraktiken sind schlecht untersucht, und die Auswirkungen verschiedener N-Formen auf die Salatqualität (insbesondere den Nitratgehalt) und auf die Umwelt sind weitgehend unbekannt. Daher zeigt dieses Buch die beste Stickstoffform, den besten Pflanzabstand und das beste Bewässerungsniveau auf, die den höchsten Ertrag und den höchsten Prozentsatz der Stickstoffrückgewinnung bieten und die Salatqualität in Bezug auf die geringste Nitratanreicherung in den Blättern, die durch die Stickstoffform, den Pflanzabstand und das Bewässerungsniveau beeinflusst wird, gewährleisten. 68 pp. Deutsch.
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Säata jest jedn¿ z najwäniejszych ro¿lin säatowych uprawianych na ¿wiecie. Azot (N) jest najcz¿stszym sk¿adnikiem od¿ywczym w produkcji ro¿linnej, wiadomo, ¿e dodatek N jest rozprowadzany w ro¿linie, frakcja stäa w glebie, wymywana…do zwierciad¿a wody lub denitryfikowana do atmosfery. Dlatego te¿ käda technika, która poprawia efektywno¿¿ absorpcji N przez ro¿lin¿, szczególnie w przypadku ro¿lin o p¿ytkich korzeniach, ostatecznie zmniejszy ilo¿¿ strat N i wp¿yw na ¿rodowisko. Z drugiej strony, cz¿¿¿ wch¿oni¿tego N mo¿e by¿ gromadzona w postaci azotanów. Oko¿o 70% cäkowitej ilo¿ci azotanów spo¿ywanych przez ludzi pochodzi z warzyw. G¿sto¿¿ sadzenia, poziom nawadniania i praktyki nawo¿enia s¿ s¿abo zbadane, a wp¿yw ró¿nych form N na jako¿¿ säaty (zw¿aszcza zawarto¿¿ azotanów) i na ¿rodowisko jest w du¿ej mierze nieznany. Dlatego te¿ niniejsza ksi¿¿ka pokäe najlepsz¿ form¿ azotu, rozstawy ro¿lin i poziom nawadniania, które zapewniaj¿ najwy¿szy plon i maksymalny procent odzysku azotu oraz zapewniaj¿ jako¿¿ säaty pod wzgl¿dem najmniejszego poziomu akumulacji azotanów w li¿ciach, na który wp¿yw maj¿ forma azotu, rozstawy ro¿lin i poziom nawadniania. 60 pp. Polnisch.
Language: Portuguese
Published by Edições Nosso Conhecimento Aug 2021, 2021
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -A alface é uma das mais importantes culturas de saladas cultivadas em todo o mundo. O azoto (N) é o nutriente mais frequente na produção de culturas, é bem conhecido que o N adicionado é distribuído na planta, a fracção fixa no solo…, lixiviado para o lençol freático ou desnitrificado para a atmosfera. Por conseguinte, qualquer técnica que melhore a eficiência de absorção de N da planta, especialmente a das plantas de raiz rasa, irá eventualmente reduzir a quantidade de perda de N e o impacto sobre o ambiente. Por outro lado, parte do N absorvido poderá ser acumulado como nitrato. Cerca de 70% do total de nitrato consumido pelas pessoas provém de vegetais. A densidade de plantação, o nível de irrigação e as práticas de fertilização são pouco estudadas e os efeitos das diferentes formas de N sobre a qualidade das alfaces (especialmente o teor de nitrato) e sobre o ambiente são largamente desconhecidos. Assim, este livro mostrará a melhor forma de azoto, o espaçamento das plantas e o nível de irrigação, que proporcionam o maior rendimento e a máxima percentagem de recuperação de azoto e proporcionam a qualidade da alface em termos do menor nível de acumulação de nitratos nas folhas, tal como afectada pela forma de azoto, pelo espaçamento das plantas e pelo nível de irrigação. 60 pp. Portugiesisch.
Language: English
Published by LAP LAMBERT Academic Publishing Mai 2011, 2011
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Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Lettuce is one of the most important salad crops grown in worldwide. Nitrogen (N) is the most frequent nutrient in crop production, it is well known that added N is distributed into the plant, the fixed fraction in the soil, leached int…o the water table or denitrified into the atmosphere. Therefore any technique that improves the N absorption efficiency of the plant especially that of shallow-rooted plants will eventually reduce the amount of N loss and the impact on the environment. On the other hand, some of the absorbed N could be accumulated as nitrate. About 70% of total consumed nitrate by people come from vegetables. Planting density, irrigation level and fertilization practices are poorly studied and the effects of different N forms on lettuce quality (especially nitrate content) and on the environment are largely unknown. So this book will show the best nitrogen form, plant spacing and irrigation level, which provide the highest yield and maximum percentage of nitrogen recovery and provide lettuce quality in terms of the least nitrate accumulation level in leaves as affected by nitrogen form, plant spacing and irrigation level.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 76 pp. Englisch.
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Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Lettuce is one of the most important salad crops grown in worldwide. Nitrogen (N) is the most frequent nutrient in crop production, it is well known that added N is distributed into the plant, the fixed fraction in the soil, leached into… the water table or denitrified into the atmosphere. Therefore any technique that improves the N absorption efficiency of the plant especially that of shallow-rooted plants will eventually reduce the amount of N loss and the impact on the environment. On the other hand, some of the absorbed N could be accumulated as nitrate. About 70% of total consumed nitrate by people come from vegetables. Planting density, irrigation level and fertilization practices are poorly studied and the effects of different N forms on lettuce quality (especially nitrate content) and on the environment are largely unknown. So this book will show the best nitrogen form, plant spacing and irrigation level, which provide the highest yield and maximum percentage of nitrogen recovery and provide lettuce quality in terms of the least nitrate accumulation level in leaves as affected by nitrogen form, plant spacing and irrigation level.
Language: Spanish
Published by Ediciones Nuestro Conocimiento Aug 2021, 2021
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Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -La lechuga es uno de los cultivos de ensalada más importantes del mundo. El nitrógeno (N) es el nutriente más frecuente en la producción de cultivos, es bien sabido que el N añadido se distribuye en la planta, la fracción fija en el sue…lo, se lixivia en el nivel freático o se desnitrifica en la atmósfera. Por lo tanto, cualquier técnica que mejore la eficiencia de absorción de N de la planta, especialmente la de las plantas de raíces superficiales, acabará por reducir la cantidad de pérdida de N y el impacto en el medio ambiente. Por otra parte, parte del N absorbido podría acumularse como nitrato. Alrededor del 70% del total del nitrato consumido por las personas proviene de los vegetales. La densidad de plantación, el nivel de riego y las prácticas de fertilización están poco estudiadas y se desconocen en gran medida los efectos de las diferentes formas de N en la calidad de la lechuga (especialmente el contenido de nitrato) y en el medio ambiente. Por lo tanto, este libro mostrará la mejor forma de nitrógeno, el espaciamiento de las plantas y el nivel de riego, que proporcionan el mayor rendimiento y el máximo porcentaje de recuperación de nitrógeno y proporcionan a la lechuga una calidad en términos del menor nivel de acumulación de nitrato en las hojas, según se ve afectado por la forma de nitrógeno, el espaciamiento de las plantas y el nivel de riego.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 64 pp. Spanisch.
Language: English
Published by LAP LAMBERT Academic Publishing Apr 2011, 2011
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Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -RNA interference (RNAi) is a mechanism regulating gene transcript levels by either transcriptional gene silencing (TGS) or by posttranscriptional gene silencing (PTGS), which acts in genome maintenance and the regulation of development.… This book show the role of Dicer proteins in the moss Physcomitrella patens, which has four Dicers (DICER-LIKE 1a (DCL1a), DCL1b, DCL3 and DCL4). The Physcomitrella patens was chosen because the dual functions of Dicers in miRNA biogenesis and target cleavage are separable in this species. Using targeted knockout-mutants of Physcomitrella patens, it was shown that DCL1a is required for miRNA biogenesis and DCL1b is required for miRNA-induced target RNA cleavage. Based on these data from Physcomitrella patens a model is proposed for the gene-specific control of transcription factors upon dysfunctions of the RNAi machinery. Similar control mechanisms could be exist in other eukaryotes as well. Also this book provide evidence that artificial miRNAs (amiRNAs) can be used as an alternative tool for studying gene functions in Physcomitrella patens.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 128 pp. Englisch.
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Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - La lechuga es uno de los cultivos de ensalada más importantes del mundo. El nitrógeno (N) es el nutriente más frecuente en la producción de cultivos, es bien sabido que el N añadido se distribuye en la planta, la fracción fija en el suel…o, se lixivia en el nivel freático o se desnitrifica en la atmósfera. Por lo tanto, cualquier técnica que mejore la eficiencia de absorción de N de la planta, especialmente la de las plantas de raíces superficiales, acabará por reducir la cantidad de pérdida de N y el impacto en el medio ambiente. Por otra parte, parte del N absorbido podría acumularse como nitrato. Alrededor del 70% del total del nitrato consumido por las personas proviene de los vegetales. La densidad de plantación, el nivel de riego y las prácticas de fertilización están poco estudiadas y se desconocen en gran medida los efectos de las diferentes formas de N en la calidad de la lechuga (especialmente el contenido de nitrato) y en el medio ambiente. Por lo tanto, este libro mostrará la mejor forma de nitrógeno, el espaciamiento de las plantas y el nivel de riego, que proporcionan el mayor rendimiento y el máximo porcentaje de recuperación de nitrógeno y proporcionan a la lechuga una calidad en términos del menor nivel de acumulación de nitrato en las hojas, según se ve afectado por la forma de nitrógeno, el espaciamiento de las plantas y el nivel de riego.
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Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - RNA interference (RNAi) is a mechanism regulating gene transcript levels by either transcriptional gene silencing (TGS) or by posttranscriptional gene silencing (PTGS), which acts in genome maintenance and the regulation of development.…This book show the role of Dicer proteins in the moss Physcomitrella patens, which has four Dicers (DICER-LIKE 1a (DCL1a), DCL1b, DCL3 and DCL4). The Physcomitrella patens was chosen because the dual functions of Dicers in miRNA biogenesis and target cleavage are separable in this species. Using targeted knockout-mutants of Physcomitrella patens, it was shown that DCL1a is required for miRNA biogenesis and DCL1b is required for miRNA-induced target RNA cleavage. Based on these data from Physcomitrella patens a model is proposed for the gene-specific control of transcription factors upon dysfunctions of the RNAi machinery. Similar control mechanisms could be exist in other eukaryotes as well. Also this book provide evidence that artificial miRNAs (amiRNAs) can be used as an alternative tool for studying gene functions in Physcomitrella patens.
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Taschenbuch. Condition: Neu. Utilización óptima del nitrógeno en las plantas de lechuga | Efecto de las formas de nitrógeno, el espaciamiento entre plantas y el nivel de riego en las plantas de lechuga (Lactuca sativa L.) | Basel Khraiwesh | Taschenbuch | Spanisch | 2021 | Ediciones Nuestro Conocimiento | EAN 9786202977845 | Ver…antwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu Print on Demand.
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Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -La laitue est l'une des plus importantes cultures de salade au monde. L'azote (N) est l'élément nutritif le plus fréquent dans la production végétale, il est bien connu que l'azote ajouté est distribué dans la plante, la fraction fixe d…ans le sol, lessivé dans la nappe phréatique ou dénitrifié dans l'atmosphère. Par conséquent, toute technique qui améliore l'efficacité d'absorption de l'azote par la plante, en particulier celle des plantes à racines peu profondes, finira par réduire la quantité de N perdue et l'impact sur l'environnement. D'autre part, une partie de l'azote absorbé pourrait être accumulée sous forme de nitrate. Environ 70 % du nitrate total consommé par l'homme provient des légumes. La densité de plantation, le niveau d'irrigation et les pratiques de fertilisation sont mal étudiés et les effets des différentes formes d'azote sur la qualité de la laitue (en particulier la teneur en nitrate) et sur l'environnement sont largement méconnus. Ce livre montrera donc la meilleure forme d'azote, l'espacement des plantes et le niveau d'irrigation, qui assurent le rendement le plus élevé et le pourcentage maximum de récupération de l'azote et qui assurent la qualité de la laitue en termes de niveau d'accumulation de nitrate le plus faible dans les feuilles, en fonction de la forme d'azote, de l'espacement des plantes et du niveau d'irrigation.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 64 pp. Französisch.
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Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - La laitue est l'une des plus importantes cultures de salade au monde. L'azote (N) est l'élément nutritif le plus fréquent dans la production végétale, il est bien connu que l'azote ajouté est distribué dans la plante, la fraction fixe da…ns le sol, lessivé dans la nappe phréatique ou dénitrifié dans l'atmosphère. Par conséquent, toute technique qui améliore l'efficacité d'absorption de l'azote par la plante, en particulier celle des plantes à racines peu profondes, finira par réduire la quantité de N perdue et l'impact sur l'environnement. D'autre part, une partie de l'azote absorbé pourrait être accumulée sous forme de nitrate. Environ 70 % du nitrate total consommé par l'homme provient des légumes. La densité de plantation, le niveau d'irrigation et les pratiques de fertilisation sont mal étudiés et les effets des différentes formes d'azote sur la qualité de la laitue (en particulier la teneur en nitrate) et sur l'environnement sont largement méconnus. Ce livre montrera donc la meilleure forme d'azote, l'espacement des plantes et le niveau d'irrigation, qui assurent le rendement le plus élevé et le pourcentage maximum de récupération de l'azote et qui assurent la qualité de la laitue en termes de niveau d'accumulation de nitrate le plus faible dans les feuilles, en fonction de la forme d'azote, de l'espacement des plantes et du niveau d'irrigation.
