1.4 definition terminology
1. Agricultural means land, field sample such as Buddhist agriculture
2. Sufficient means, as planned, such as, that is it
3. Message. Mean instruction of hm
4.Study of mean, studying, practice, and training of
5. Research is information carefully according to หลักวิ tea, seek it
6.The soil means the object resulting from the combination of natural rubble and minerals that decomposes a slice with a small organic matter rots putrefy assembled layer
7.Water is necessary for life and growth of plants
8. Sunlight means the influence of the germination and growth of plant
9. Fertilizer. Means of plant nutrients
.