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Chiranan Nitiset. Faculty of Agriculture at Kamphaeng Saen. Department of Soil Science; Chaisit Thongjoo. Faculty of Agriculture at Kamphaeng Saen. Department of Soil Science; Tawatchai Inboonchuay. Faculty of Agriculture at Kamphaeng Saen. Department of Soil Science; Jutamas Romkaew. Faculty of Agriculture at Kamphaeng Saen. Department of Agronomy; Thamthawat Saengngam. Faculty of Agriculture at Kamphaeng Saen. Research and Academic Service Center. Kanchanaburi Research Station; Teerayut Klumchaun. Faculty of Agricultural Technology

Effect of organic fertilizer from central waste water treatment of Saha group industrial park on growth and increasing biomass of Kra Thin Saba (Acacia mangium Willd.) | ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

2018

Chiranan Nitiset(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). Faculty of Agriculture at Kamphaeng Saen. Department of Soil Science) | Chaisit Thongjoo(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). Faculty of Agriculture at Kamphaeng Saen. Department of Soil Science) | Tawatchai Inboonchuay(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). Faculty of Agriculture at Kamphaeng Saen. Department of Soil Science) | Jutamas Romkaew(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). Faculty of Agriculture at Kamphaeng Saen. Department of Agronomy) | Thamthawat Saengngam(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). Faculty of Agriculture at Kamphaeng Saen. Research and Academic Service Center. Kanchanaburi Research Station) | Teerayut Klumchaun(Rajamangala University of Technology Thanyaburi, Pathum Thani (Thailand). Faculty of Agricultural Technology)

This study investigated the effect of organic fertilizer from Central Waste Water Treatment of Saha Group Industrial Park on growth and increasing biomass of Kra Thin Saba (Acacia mangium Willd.) planted in Kamphaeng Saen series. The experimental design was arranged in Randomized Complete Block (RCBD) with 3 replications and consisted of 10 treatments. The results showed that the application of OFB of 500 kg/rai in combination with chemical fertilizers containing all major elements equivalent to 500 kg/rai of the OFB provided the highest of plant height which was not significantly difference from the application of OFB of 1,000 kg/rai, the application of OFD of 500 kg/rai in combination with chemical fertilizers containing all major elements equivalent to 500 kg/rai of the OFD and the application of OFD of 1,000 kg/rai. The application of OFB of 500 kg/rai in combination with chemical fertilizers containing all major elements equivalent to 500 kg/rai of the OFB provided the highest of plant diameters and leaf greenness which was not significantly difference from the application of OFB of 1,000 kg/rai. Furthermore, the application of OFB of 500 kg/rai in combination with chemical fertilizers containing all major elements equivalent to 500 kg/rai of the OFB provided the highest of total fresh biomass (11.09 ton/rai) which was not significantly difference from the application of OFB of 1,000 kg/rai and the application of OFD of 500 kg/rai in combination with chemical fertilizers containing all major elements equivalent to 500 kg/rai of the OFD. While, the application of OFB of 500 kg/rai in combination with chemical fertilizers containing all major elements equivalent to 500 kg/rai of the OFB provided the highest of total dry biomass (4.48 ton/rai) which was not significantly difference from the application of OFB of 1,000 kg/rai

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