Page 11 - การจัดการดินเพื่อปลูกอ้อยในกลุ่มชุดดินที่ 24 จังหวัดชลบุรีโครงการนำร่องการผลิตพืชตามเขตการใช้ที่ดินพืชเศรษฐกิจเพื่อพัฒนาขีดความสามารถการแข่งขันในประชาคมอาเซียน

ห้องสมุดกรมพัฒนาที่ดิน
(8)

Abstract

The study of soil management for sugarcane plantation was conducted in Soil Group 24,

that is moderately suitable. Study the changes of the chemical properties of soil in different
observation for a moderately suitable soil. Study the growth and product yield of sugarcane and

study the economic return of suitable soil management moderately in KhonKaen 3, suagarcane

variety. The study area was located in NongYai village Moo 4 Nong Pai Kaew subdistrict

BanBueng Distric Chonburi Province, Between March 2015 to March 2016, Five treatments were
designed in the Observation Trial. The first treatmemt was regularly used by farmer, the Second

treatmemt was regularly used by farmer combined with liquid bio-extract, the Thirth treatmemt was

recommendation of Thai soil program combined with liquid bio-extract, the Fourth treatmemt was
recommendation of fertilizer application each field program combined with liquid bio-extract, the

Fifth treatmemt was based on the laboratory analysis combined with liquid bio-extract. The results

of chemical fertilizers showed that the pH of soil by all methods was decreased but regularly used

by farmer did not change, the organic matter of all methods was increased. Phosphorus of all
methods was decreased but Potassium was increased. Except by recommendation of Thai soil

program combined with liquid bio-extract. For the growth of sugarcane by using recommendation

of Thai soil program combined with liquid bio-extract, show that the highest and Sprouting number
of Sugarcane and the sweetest of sugarcane is 23.8 degree brix. The product yield of

recommendation of Thai soil program combined with liquid bio-extract produced the highest yield

13,730.00 kilogram per rai. Net production cost was the highest cost 11,336.50 baht per rai. But
for the other methods was the highest economic return was 3,217.30 baht per rai.