Utilization of slop ash as source of potassium for corn | การใช้เถ้ากากส่าเป็นปุ๋ยโพแทสเซียมสำหรับข้าวโพด
2009
Pimolsiri Supasatienchai(Kasetsart University, Bangkok (Thailand). Faculty of Agriculture. Department of Soil Science) E-mail:[email protected] | Jongruk Chanchareonsook(Kasetsart University, Bangkok (Thailand). Faculty of Agriculture. Department of Soil Science) | Ed Sarobol(Kasetsart University, Bangkok (Thailand). Faculty of Agriculture. Department of Agronomy)
Utilization of slop ash, a waste material from distillery factory, as a source of potassium for corn in Pakchong soil series was investigated comparing to potassium chloride fertilizer. Suwan 4452 corn cultivar was used as the test plant. The results showed that application of slop ash increased available potassium content in Pakchong soil series. The effectiveness of slop ash in increasing available potassium content in the soil was similar to that of potassium chloride fertilizer. Application of slop ash significantly increased growth, yield and total potassium uptake of corn as compared to no potassium fertilizer application. The effectiveness of slop ash in increasing growth, yield and total potassium uptake of corn was similar to that of potassium chloride fertilizer. Therefore, slop ash could be used as potassium fertilizer for corn.
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