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Zaharah, A. R.; Bah, Alagie; Mwange, N K; Kathuli, P.; Juma, Patrick

doi:10.1023/a:1009705501148

Cited by 13 publications

(1 citation statement)

References 23 publications

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“…Conversely, the crop in intercropped conditions i.e. the maize (Zea mays L.) in hedgerows of Gliricidia sepium lead to a significantly higher N uptake than the control (no hedgerows) (Zaharah et al 1999). Therefore, the uptake of nutrients (N, P and K) week of October to 4th week of November.…”

Section: Introductionmentioning

confidence: 99%

Productivity and nutrient uptake of newly released wheat varieties at different sowing times under poplar plantation in north-western India

2009

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Standardisation of cultural practises is one of the primary objectives to make the system ecologically sustainable and economically viable. In this context, the present study was conducted to optimise the time of sowing in relation to newly released wheat varieties under 4-6 year old poplar block plantation. Six widely grown wheat varieties (PBW 502, PBW 343, WH 542, PDW 274, PBW 509 and PBW 373) were intercultivated during three consecutive crop growth seasons at three times of sowing (mid November, late November and mid December) under block plantation of poplar (Populus deltoides Bartr.) clone G-48. The grain yield and nutrient uptake of wheat varieties was higher in open conditions than under the trees. The wheat variety PBW 502 out yielded the rest of wheat varieties over different sowing times. The highest grain yield was recorded when crop was sown during mid November over the 3 years. Thus adoption of PBW 502 under poplar plantation would substantially improve the overall productivity of the system without any additional input cost. All the varieties performed better when sown early compared to one-month delay. The various growth parameters like tiller height and number, spike length and 100 grain weight contributed significantly towards higher grain yield in early sown conditions (mid November) under poplar irrespective of its age of plantation. The nutrient uptake (N, P and K) by wheat straw and grain was higher in early sown crop with longer growth span than the late sown crop. The higher quantity of N, P and K was removed from soil by PBW 509, PBW 373 and PBW 343, respectively.

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Section: Introductionmentioning

confidence: 99%

Productivity and nutrient uptake of newly released wheat varieties at different sowing times under poplar plantation in north-western India

2009

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Competition for 15N-labeled nitrogen in a jujube tree (Zizyphus jujuba Mill.)/wheat (Triticum aestivum L.) agroforestry system in northwestern China

et al. 2018

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Maize growth and soil nitrogen availability after fertilization with cattle manure and/or gliricidia in semi-arid NE Brazil

Mundus¹,

Menezes

Neergaard³

et al. 2008

Nutr Cycl Agroecosyst

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Cattle manure is used as fertilizer by farmers in northeastern Brazil. However, the manure is insufficient to fertilize all cropping areas and is usually of low quality and may immobilize N. The use of Gliricidia sepium as green manure could increase the amount and quality of organic fertilizers. However, the high-quality biomass of this legume is valued as forage and may also decompose too quickly and cause nitrogen (N) leaching. This study aimed to identify efficient management practices for cattle manure and Gliricidia to improve N uptake and crop productivity in semi-arid NE Brazil. For this, we conducted three experiments. In the greenhouse, we evaluated maize growth and N uptake after application of Gliricidia and/or cattle manure under different soil moisture conditions. A litterbag field experiment evaluated the decomposition dynamics of Gliricidia or manure. Finally, a field experiment tested the effects of mixing and/or splitting Gliricidia and manure on maize productivity and N uptake. In the greenhouse, maize dry matter production and N uptake and apparent N recovery from fertilizers were significantly greater in treatments with higher proportions of Gliricidia, but mainly under high soil moisture conditions. The litterbag experiment showed that Gliricidia indeed decomposed twice as fast as cattle manure, that decomposition was up to 2.5 times faster when the materials were incorporated rather than surface applied, and also that N release was more synchronized to maize demand when fertilizers were split in two applications. In the field experiment, we observed that both mixing cattle manure and Gliricidia and splitting the application in two increased in maize productivity up to 350%.

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Cited by 13 publications

References 23 publications

Productivity and nutrient uptake of newly released wheat varieties at different sowing times under poplar plantation in north-western India

Productivity and nutrient uptake of newly released wheat varieties at different sowing times under poplar plantation in north-western India

Competition for 15N-labeled nitrogen in a jujube tree (Zizyphus jujuba Mill.)/wheat (Triticum aestivum L.) agroforestry system in northwestern China

Maize growth and soil nitrogen availability after fertilization with cattle manure and/or gliricidia in semi-arid NE Brazil

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