首页> 外文期刊>Indian Journal of Weed Science >Influence of planting techniques and weed control treatments on nutrient uptake by P. minor Retz. and broadleaf weeds in wheat (Triticum aestivum L.).
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Influence of planting techniques and weed control treatments on nutrient uptake by P. minor Retz. and broadleaf weeds in wheat (Triticum aestivum L.).

机译:种植技术和杂草防治对小P. Retz养分吸收的影响。和小麦的阔叶杂草(Triticum aestivum L.)。

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摘要

Field study conducted at experimental farm of Punjab Agricultural University, Ludhiana (India) during rabi seasons of 2004-05 and 2005-06 revealed that nutrient uptake by Phalaris minor as well as broadleaf weeds were significantly reduced with zero till sowing in standing stubbles, zero till sowing after partial burning and bed planting techniques as dry matter accumulation by weeds was significantly less in these treatments as compared to conventional tillage and zero tillage techniques (without stubbles). Post-emergence application of clodinafop 60 g/ha f. b. 2,4-D 0.5 kg/ha, sulfosulfuron 25 g/ha and mesosulfuron+iodosulfuron 12.0 g/ha significantly reduced the dry matter accumulation by all weeds and hence significantly reduced uptake of N, P and K by both P. minor and broadleaf weeds, whereas clodinafop 60 g/ha alone reduced dry weight and nutrient uptake of P. minor only as compared to control (unweeded) crop.
机译:在印度卢比亚纳的旁遮普农业大学实验农场进行的田间研究在2004-05年和2005-06年的狂犬病季节发现,Ph草和阔叶杂草对养分的吸收均显着降低,直到零茬播种(零)。与部分耕作和零耕技术(无茬)相比,在这些处理中,杂草对干物质的积累显着减少,直至在部分燃烧和底播技术下播种为止。克地那非60克/公顷芽后施用。 b。 2,4-D 0.5 kg / ha,磺胺磺隆25 g / ha和中磺磺隆+碘磺隆12.0 g / ha显着降低了所有杂草的干物质积累,因此显着降低了次生小叶和阔叶对N,P和K的吸收。杂草,而仅氯地那非60 g / ha与对照(非杂草)作物相比,仅降低了小假单胞菌的干重和养分吸收。

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