1. Comparative test between a machine and a device opening young coconut fruits
Bundit Jarimopas and Acradech Pechrasmai

2. Effect of using urea fertilizer or cattle manure in different levels and harvestion times on yied
Phassakon Nuntapanich

3. Responses of vegetable soybean to irrigation frequency and plant density
Nirun Sukchun, Wanchai Thanomsub and Pornsak Duangpudtan

4. Soybean variety improvement using mutation techniques
Somsak Srisombun and Montha Nuntapunt

5. The different viewpoint of fertilizer usage for rice production
Pisit Promnart

6. The effect on silica in rice on the brown planthopper nilaparvata lugens stal
Patchanee Chaiyawat, D.G. Bottrell and E.N. Bernardo