阐释 发表于 2025-3-30 08:17:39
Zugänge zur Kinderladenbewegungp rotation and excessive use of agrochemicals has resulted into severe loss in soil fertility and slowdown in the crop productivity in Middle IGP. Farmers are compelled to apply higher fertilizer input per hectare (ha) every year to maintain or increase crop productivity. The soil fertility status o反复无常 发表于 2025-3-30 16:04:42
http://reply.papertrans.cn/32/3126/312532/312532_52.pngforeign 发表于 2025-3-30 18:03:49
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http://reply.papertrans.cn/32/3126/312532/312532_54.png赏钱 发表于 2025-3-31 02:14:54
http://reply.papertrans.cn/32/3126/312532/312532_55.pngCharitable 发表于 2025-3-31 08:07:03
https://doi.org/10.1007/978-3-658-09196-5s from contaminated water. In the present study three hydrophytes e.g. . were used to remove fluoride from synthetic fluoride solution. The objective of this investigation was to explore the fluoride removal efficiency of three aquatic plants. The experimental result showed that 20 gm biomass of thr哄骗 发表于 2025-3-31 12:45:48
http://reply.papertrans.cn/32/3126/312532/312532_57.png弯曲道理 发表于 2025-3-31 15:02:09
https://doi.org/10.1007/978-3-658-41039-1effect of pH, initial metal concentration and contact time was studied using Box-Behnken design (BBD). The optimal parameters for maximum adsorption capacity (81.92 mg/g) were obtained at pH 5.85, initial lead ion concentration 99.02 mg/L, and contact time 118.49 min. The effect of different variablA保存的 发表于 2025-3-31 20:01:48
Wolfgang Roters,Horst Gräf,Hellmut Wollmannrborne contaminants and pathogens will increase resulting in the transmission of water-borne diseases as well as the degradation of receiving water bodies. Pollutants in wastewater can be divided into two main areas: biological such as microorganisms and chemical such as nutrients, heavy metals, det