Page 11 - การเปรียบเทียบชนิดปุ๋ยที่เหมาะสมต่อการปลูกข้าวสังข์หยดในกลุ่มชุดดินที่ 6 จังหวัดพัทลุง
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ห้องสมุดกรมพัฒนาที่ดิน
produce the highest average yield (529.33 kg/rai) more than farmer practice treatment
was 31.29% - that made the lowest yield (403.17 kg/rai)- but this treatment had higher
cost than using chemical fertilizer, then the economic return from this treatment was
lower. Finally, the recommendation for farmer is applying chemical fertilizer based on
soil analysis from site-specific fertilizer program with green manure and bio extract super
LDD2 and the suggestion for organic rice farmer is applying high quality organic fertilizer
base on recommendation.
