Nitrogen Nutrition in Crops and Its Importance in Crop Quality

Maheswari, M.; Murthy, Akula Narayana; Shanker, Arun K.

doi:10.1016/b978-0-12-811836-8.00012-4

Cited by 39 publications

(18 citation statements)

References 32 publications

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“…Livestock commodities contribute nearly $ 1.4 trillion to the global economy, including the support of approximately 0.60 billion resource-poor smallholder farmers, and engage over 1.3 billion individuals (Lee, 2018;Robinson et al, 2011). Round the year, availability of high-quality fodder is a critical determinant of the livestock sector's success (Maheswari et al, 2017;Mishra et al, 2008). However, breeding for forage quality traits is considered an important secondary activity compared with higher forage yield, disease and pest tolerance.…”

mentioning

confidence: 99%

Agronomical and breeding approaches to improve the nutritional status of forage crops for better livestock productivity

Chand

Indu

Singhal

et al. 2022

Grass and Forage Science

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Forage crops feed approximately 1.52 billion cattle, 1.21 billion sheep, 1.02 billion goats and 0.21 billion buffalo globally to support the production of miscellaneous dairy products, meat and wool and provide a sustainable income to farmers, particularly in the developing countries, and endow with valuable ecosystem services (FAOSTAT, 2016(FAOSTAT, , 2020Lee, 2018). Livestock commodities contribute nearly $ 1.4 trillion to the global economy, including the support of approximately 0.60 billion resource-poor smallholder farmers, and engage over 1.3 billion individuals (Lee, 2018;Robinson et al., 2011). Round the year, availability of high-quality fodder is a critical determinant of the livestock sector's success (Maheswari et al., 2017;Mishra et al., 2008). However, breeding for forage quality traits is considered an important secondary activity compared with higher forage yield, disease and pest tolerance. Altogether, forage nutritional quality traits are underrated and are not considered a market price determinant factor-like forage biomass (Battenfield et al., 2016). The quality fodder and feed can have a high digestibility, high non-structural carbohydrates, high crude protein, moderate tannins, high palatability, high sulphur amino acid, adequate minerals and low anti-nutritional factor (ANFs; Krämer-Schmid et al., 2016;Wilkins, 2018).However, the indisputable fact is that the extent of forage crop's palatability would regulate the foraging velocity and livestock intake rate. Bailey et al. (1996) reported a reduced foraging velocity and high intake rate in areas where highly palatable forage crops prevail. Forage nutritional quality regulates the migration of ruminants

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confidence: 99%

Agronomical and breeding approaches to improve the nutritional status of forage crops for better livestock productivity

Chand

Indu

Singhal

et al. 2022

Grass and Forage Science

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“…But, it is counted as the most limiting factor only for the plants. Optimum use of nitrogen can give the maximum output, and can lead to maximum productivity of plants [12]. Both micro and macro nutrients are playing substantial role for the plant development.…”

Section: Nitrogen Is a Key And Basic Element For Cropsmentioning

confidence: 99%

Nitrogen Use Efficiency: Farming Practices and Sustainability

Haroon

Idrees

Naushahi

et al. 2019

JEAI

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It is expected that up to 2050, human population will be doubled. Agricultural researchers are striving their best to meet the food challenges. To get the higher yield, nitrogenous fertilizers use is also being increased. Nitrogenous fertilizers play vital roles in different plant’s growth and developmental processes. But, excessive use of nitrogen is no more beneficial to plants. Only 30 to 50% nitrogen use efficiency is recorded in plants, the remaining nitrogen is used by soil microbes, leached down in soil profile or volatilized. Different agronomical practices have been practiced and suggested for the general cultivation. Proper use of these agronomical practices can increase the crop yield and nitrogen use efficiency.

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“…The importance of this index lies in providing information on the behavior of the plant's photosynthetic machinery, being an indirect measurement of photosynthesis, which can be related to the accumulated biomass in the organ of interest of the plant and, thus, correlate the behavior of a certain genotype with a given environment [ 8 ]. On the other hand, the importance of nitrogen as a fertilizer is known, it increases growth and higher biomass yields, and it affects the proportion of amino acids lysine and threonine; in oilseeds, protein content increases but has an adverse effect on oil content; it is used to maintain high production levels of quantity and quality [ 9 ]. Thus, under this trend [ 10 ], they mention that when the nitrogen content in the soil is not known, fertilizer doses higher than those required by the crop are applied, causing intoxication.…”

Section: Introductionmentioning

confidence: 99%

Net Assimilation Rate and Agronomic Efficiency of Nitrogen in Tartago (Ricinus communis L.) (Euphorbiaceae) in Dry Climate

Díaz-López

Aguilar-Luna

Loeza-Corte³

2020

Scientifica

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To know the dynamics of net assimilation rate and the agronomic efficiency of nitrogen in the Tartago crop, seeds of three accessions were collected in Teotitlán de Flores Magón, Oaxaca, Mexico. The treatments consisted of nitrogen fertilization of 0, 20, 40, 60, 80, 100, 120, and 140 kg (N) ha−1, evaluated under a completely randomized design. The experimental unit was constituted by a Tartago plant inside of a polyethylene bag with soil of the zone, and four repetitions were considered. The response variables were dry biomass, number of fruits per plant, agronomic yield, harvest index, nitrogen agronomic efficiency, SPAD units, and net assimilation rate. The results indicate that climatic conditions did not influence the growth and development of the crop. The maximum values for all of response variables were achieved with the application of nitrogen in a range of 60 to 140 kg ha−1. The net assimilation rate was adjusted to a quadratic model. It is concluded that the Tartago responds positively to the application of nitrogen and can be an alternative to be grown in dry climate.

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Nitrogen Nutrition in Crops and Its Importance in Crop Quality

Cited by 39 publications

References 32 publications

Agronomical and breeding approaches to improve the nutritional status of forage crops for better livestock productivity

Agronomical and breeding approaches to improve the nutritional status of forage crops for better livestock productivity

Nitrogen Use Efficiency: Farming Practices and Sustainability

Net Assimilation Rate and Agronomic Efficiency of Nitrogen in Tartago (Ricinus communis L.) (Euphorbiaceae) in Dry Climate

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