2003
DOI: 10.1016/s0378-4290(02)00171-5
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Effect of N fertilizer top-dressing at various reproductive stages on growth, N2 fixation and yield of three soybean (Glycine max (L.) Merr.) genotypes

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Cited by 62 publications
(55 citation statements)
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“…In contrast to the recommended application rate of *50 kg N ha -1 (i.e., International Plant Nutrition Institute 2014) and earlier occasional reports of a yield response to N fertilizer application (e.g., Gan et al 2003;Heatherly and Elmore, 2004;Salvagiotti et al 2008), we found no yield response to N fertilizer in either rainfed or irrigated treatments (Fig. 2).…”
Section: Effect Of N Fertilization On Bnf In Soybeanscontrasting
confidence: 99%
“…In contrast to the recommended application rate of *50 kg N ha -1 (i.e., International Plant Nutrition Institute 2014) and earlier occasional reports of a yield response to N fertilizer application (e.g., Gan et al 2003;Heatherly and Elmore, 2004;Salvagiotti et al 2008), we found no yield response to N fertilizer in either rainfed or irrigated treatments (Fig. 2).…”
Section: Effect Of N Fertilization On Bnf In Soybeanscontrasting
confidence: 99%
“…Also, no benefits from residual N fertilizers were observed in the winter crop following the soybean. This is in contrast with results from northern and central China, the center of origin of soybean, where BNF alone cannot meet the N requirement for maximum yield, and the addition of 50 kg ha -1 at V2 (the unifoliolate node and the first two trifoliate leaf nodes with unfolded leaflets), and especially at R1 stage result in higher yields (Gan et al 2002(Gan et al , 2003. In addition, these yields are lower than those observed in South America.…”
mentioning
confidence: 74%
“…Effects of nutrients and nutrient ratios on many food and medicinal crop plants, such as soya bean, thyme, wheat cultivars, barley, spinach and pelargoniums, have been studied. In most cases, a positive result in growth is noticed with the addition of some macro-nutrients such as N, P, K, Mg or Ca [13][14][15][16][17][18][19][20][21]. It is therefore crucial that adequate plant nutrition and soil pH levels are met for any given plant so that the cell's functioning is not impeded.…”
Section: Introductionmentioning
confidence: 99%