20. Average nutrient in organic mat

20. Average nutrient in organic materials, and the materials used make compost
21. utilization of vetiver in the agricultural and engineering.
30 22. Vetiver grass to prevent erosion Restoration of soil and environment (zoom out) 38
23. Roles and behaviors when lack of nutrients of plants (Earth sick) 40
24. The steps in the lecture of a researcher doctor clay (short version) 41
25. Management and restoration of soil after flood (flood)
26.Chunk bio-fermentation pd6 formula chunks (pd. 6 balls)
27. Fresh fertilizer plant "to build a fertilizer factory in the farm"




table of contents.
28. The plow plant debris after harvest "an invaluable treasure objects อินทรีย near farmers" 48 "only" 29 lumpho
50
30. "enough fertilizer plant" 51
31. tips on how to produce organic fertilizer pellet moulding 52
natural mineral stones and 32.
58 33. Applying fertilizer based on soil analysis "to use a fertilizer cut" 59
34. principles of chemical fertilizer use efficiency. In the rice field 60
35. ASEAN community, ASEAN Economic Community (AEC), 65
of water projects in 36 long. chest irrigation district farm 69
37. To make a field suitable for crop growth. (Zoning) 71
38. properties of each type of herb to prevent removal of disease. Pest (phot. 7) 74
39. 76.


songs of soil doctor