The Effect of Watering rate to Napier Pak Chong 1 Grass on Its Yield and Quality Using a Soil Moisture Sensor Module
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Abstract
The research aims to study on watering rates per the Napier Pak Chon 1 grass yield and quality, including fresh-weight, dry-weight and crude protein content by using randomized complete block design in each field cutting Napier grass 3 times: 1st, 70-days aged, 2nd at 115-days aged, and 3rd at 150-days aged. The watering rates of water at 12, 16, and 20 cubic meters per rai. The results showed that in the 1st cutting was not different significantly (P > 0.05), the results as fresh-weight of 4,190+403, 4,019+435, and 3,995+320 kg per rai, dry-weight of 779+109 746+86, and 734+64 kgs per rai, crude protein of 10.88+1.02, 10.73+0.83 and 10.08+0.98 percent, and amount of watering 6 times per plot. The 2nd cutting was not different significantly (P > 0.05), the results as fresh-weight of 7,075+618, 6,924+511, and 6,837+511 kgs per rai, dry-weight 1,085+64, 1,037+123, and 1,036+37 kgs per rai, and crude protein of 12.91+1.54, 12.88+1.33, and 12.86+1.19 percent and amount of watering 3 times per plot. In the 3rd cutting, the results near by the 2nd cutting and was not different significantly (P > 0.05). The results as fresh-weight of 7,590+691 7,446+555 and 7,456+788 kgs per rai, dry-weight of 1,138+162, 1,161+166, and 1,112+108 kgs per rai, crude protein of 12.98+1.55, 12.95+1.58, and 12.94+1.08 percent, and amount of watering 5 times per plot. In conclusion, the optimum watering rate was 12 cubic meters per rai a time.
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ลิขสิทธ์ ของมหาวิทยาลัยเทคโนโลยีราชมงคลพระนครReferences
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