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首页> 外文期刊>Indian Journal of Weed Science >Effect of Soil Solarization and Crop Husbandry Practices on Weed Species Competition and Dynamics in Soybean-Wheat Cropping System
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Effect of Soil Solarization and Crop Husbandry Practices on Weed Species Competition and Dynamics in Soybean-Wheat Cropping System

机译：土壤日光化和农作物种植方式对大豆/小麦种植系统杂草物种竞争和动态的影响

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摘要

Among crop husbandry practices, wheat straw incorporation brought about a significant reduction in Cyperus rotundus population and soil solarization in Cynodon dactylon population at 20 DAS in soybean. The total monocot weed population due to these two treatments was thus significantly lower. Summer cowpea for fodder, on the contrary, recorded the highest population of Cynodon and total monocot weeds, but the population of Commelina benghalensis was zeroil and Parthenium hysterophorus was greatly reduced. Wheat straw incorporation had significantly higher Trianthema portulacastrum population, which resulted in very high dicot and total weed population. At 40 DAS of soybean, total monocot weed distribution was almost similar to what observed at 20DAS. However, total weed population was the lowest in soil solarization and differed significantly with others. The monocot, dicot and total weed dry weight followed similar trend as their respective population and soil solarization proved most superior.At harvest of wheat, wheat straw incorporation; however, recorded the lowest total weed dry weight comparable with soil solarization and summer cowpea for fodder. Soil solarization and wheat straw incorporation were at par with each other on soybean grain yield, but solarization recorded significantly higher grain yield than others. Repeated tillage with irrigation and summer cowpea for fodder also recorded soybean grain yield significantly higher than in control/farmers' practice. Wheat straw incorporation and repeated tillage with irrigation being at par with soil solarization recorded significantly greater number of ear-bearing tillers and grain yield of wheat. However, soil solarization recorded the highest system productivity in the soybean-wheatcropping system closely followed by wheat straw incorporation and repeated tillage with irrigation.
机译：在农牧业实践中，在20 DAS大豆中，麦秸的掺入大大降低了莎莎香蒲的数量，并减少了Cynodon dactylon群体的土壤日晒作用。因此，由于这两种处理，总的单子叶杂草种群显着降低。相反，夏季cow豆饲用的犬齿草和单子叶杂草总种群数量最高，但是孟加拉邦Commelina种群的种群数量为零/零，而hen麦草的种群数量大大减少。小麦秸秆掺入具有显着更高的马齿port木种群，这导致很高的双子叶植物和总杂草种群。在大豆达到40 DAS时，单子叶植物杂草的总分布几乎与20DAS所观察到的相似。但是，杂草总种群在土壤日光照射下最低，并且与其他杂草之间存在显着差异。单子叶植物，双子叶植物和总杂草干重遵循相似的趋势，因为它们各自的种群和土壤日晒作用被证明是最有利的。然而，与土壤日晒和夏季cow豆相比，其杂草干重最低，可作为饲料。土壤日光化和小麦秸秆掺入在大豆籽粒产量上彼此相等，但是日晒比其他谷物显着更高。重复灌溉和夏季cow豆耕作饲料也记录了大豆籽粒产量明显高于对照/农民的实践。小麦秸秆的掺入和反复耕作与灌溉（与土壤日晒作用相当）相一致，记录了小麦的带穗分till和谷物产量显着增加。但是，土壤日晒在大豆/小麦种植系统中记录了最高的系统生产力，紧随其后的是小麦秸秆并入和灌溉重复耕作。

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