Farmers planting sweet potato yield low. Due to soil management fertilizer with unsuitable varieties. The fertilizer is one important factor to help increase yield and quality of potato.Go and may vary in each breed with
.So the technology of fertilizer based on the value analysis is a way to be able to increase the productivity and quality can be very rewarding and not more than necessary. Department of agriculture by agricultural research and development center of Phichit.Printer.65-3 head shape oval head with red skin, flesh color, the size of the average head width 3.5 cm long, 13.6 cm, harvesting 90-110 days. The average yield, 2 100 kgs per acre. (bureau of agricultural research and development, 22554) is a species of potential in the market competition. Because the direct according to the market need. The comparison test with fertilizer proper with varieties of farmers and ใส่ปุ๋ย way farmers to บัติอ are original.
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