 |
|
|
|
 |
 หัวเรื่อง:การยอมรับเทคโนโลยีของเกษตรกร ตามโครงการปรับโครงสร้างและระบบการผลิตการเกษตรภาคกลางของประเทศไทย ผู้เขียน: ดร.อภิพรรณ พุกภักดี, ศาสตราจารย์ ,  กมลรัฐ อินทรทัศน์ สื่อสิ่งพิมพ์:pdf AbstractThe purposes of this research were: 1) to determine socio-economic characteristics of farmers; 2) to investigate the farmers's opinions toward the Agricultural Structure and Production System Adjustment Program (ASPSAP) and sources of knowledge; 3) to determine the level of technology adoption of the farmers; 4) to study the level of influence of the affecting and supporting variables to the sustainable technology adoption of the farmers; and 5) to determine problems and need of the farmers. The research was based on servey data obtained from schedualed interviews. The sample group comprised of a multi-stage sampling of 330 farmers who were members of the 1994 Agricultural Structure and Production System Adjustment Program (ASPSAP) in the Central Region of Thailand (30.00 percent of the population). The data were obtained from 267 respondents. (80.91 percent of the samples). Statistical procedures used in analyzing the data included frequencies, mean, standard deviation, weighted mean score, correlation, multiple regression, chi-square, analysis of variance, and the Scheffes' test. Based on this study, it was concluded that the majority of farmers were married men, with an average age of 49 years, and had primary school education. Each family had an average of 4 members of 2 were family farm laborers. Most of the farmers were members of the Bank for Agriculture and Agricultural Cooperatives. Generally, the farmers left their village to gain knowledge at least once a year and contact extension officers twice a year. They owned an average of 36.94 rai of farm land. Rice farming was their principal occupation whereas orchard farming was their secondary occupation. They had 30-40 years of experience in their principal occupation. Their major income was derived from agricultural enterprises. Most of the farmers joined the ASPSAP as a result of recommendation from the extension officers and hopes to increase their income. The opinions of farmers regarding the ASPSAP and the level of knowledge and experience acquired from the different sources were rated "fair". The level of extension service and the level of adoption of plant technology were rated "poor". while the level of adoption of livestocks, fisheries, and diversified agricultural technologies, on an average, was rated "poor". It was found that most of the social, economic and other supporting variables studied correlated at a low level with technology adoption by farmers. Plant diseases and insect pests, insufficient capital, and inadequate agricultural irrigation were their crucial farming problems. Therefore the farmers recommended that more regular extension services should be offered to farmers. In addition, the Department of Agricultural Extension should provide better varieties of orchard plants, agricultural irrigation system, and that production materials should be sold to farmers at reasonable price. |
 หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Effects of Water Deficit on Growth and Yield of Cotton Cultivar Sri Sumrong 60) ผู้เขียน:นางสาวแอนนา สายมณีรัตน์ , ดร.อภิพรรณ พุกภักดี, ศาสตราจารย์, Yves Crozat, ดร.พูนพิภพ เกษมทรัพย์, รองศาสตราจารย์ สื่อสิ่งพิมพ์:pdf AbstractThe objectives of this study were to determine the effects of water deficit on growth yield and yield components of cotton (Gossypium hirsutum L.). The study has been conducted in the dry season of 1996 (January – July, 1996) at National Corn and Sorghum Research Center, Pak Chong, Nakhon Ratchasima. The experimental design was Randomized Complete Block with 4 replications. The cultivar Sri Sumrong 60 was used in this experiment. Treatments composed of full irrigation applied weekly (T1), stress period at the beginning of square producing stage (T2) and stress period at the early blooming stage (T3). Midday leaf water potential (?1) was used as an indicator for water deficit, when ?1 reached about-2.5 MPa, the irrigation was resumed again. The results revealed that plant height, number of nodes per plant and height to node ratio of T2 and T3 were statistically lower than of T1 during stress period. The production of reproductive organs of T2 and T3 was significantly reduced. Ten days after reirrigation, the recovery and rapid growth occurred in T2 and T3. Thus, total seed cotton yield of T2 and T3 was not significantly different from T1. However, T3 gave the greatest seed cotton yield, approximately 3 ton ha-1. |
|
หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Response of New Soybean Accessions to Water Stress During Reproductive Phase) ผู้เขียน:Aphipan Pookpakdi, Kovit Thiravirojana, Intarat Saeradee, Sombon Chaikaew สื่อสิ่งพิมพ์:pdf Abstract Two cultivars and eight newly developed Kasetsart University soybean accessions were planted at the similar experiments conducted at Chiang Mai and Kamphang Saen in dry season, 1989. The objectives was to study the effect of reproductive water stress on growth and yield of soybeans. Split plot design with three replications was used in this study. The main plots composed of four water stress treatment i.e. control, early, mid, and late reproductive water deficit, while sub-plots composed of ten soybean varieties. It was found that water deficit lowered the yield and dry matter production of soybeans. Number of pods per plant and seed size were affected by reproductive stress while the number of seeds per pod was not affected. Accessions KUSL 20004, KUSL 20010 and Doi Kham produced the top three highest yields and seemed to be least affected by water deficit treatments. |
|
|
|
 |
ผลงานตีพิมพ์ในวารสารวิชาการCultivar-by-cutting height interactions in Napier grass (Pennisetum purpureum Schumach) grown in a tropical rain-fed environmentผู้แต่ง:Jorgensen, ST, Dr.Aphiphan Pookpakdi, Professor, Tudsri, S, Stolen, O, Ortiz, R, Christiansen, JL, วารสาร:  
|
|
หัวเรื่อง:การศึกษาเบื้องต้นของการปรับตัวถั่วเขียวผิวมันในสภาพแวดล้อมของกำแพงแสน ผู้เขียน:Sawai Pongkao, ดร.อภิพรรณ พุกภักดี, ศาสตราจารย์, Harissadee Patharadilok สื่อสิ่งพิมพ์:pdf AbstractAn experiment was conducted to study the climatic adaptation of mungbean (Vigna radiate (L.) Wilczek) at the Kamphaeng Saen Campus of Kasetsart University. The main objectives were to find out how the mungbean varieties tested adapted to the Kamphaeng Saen environment and how environmental interaction affected growth and development of these varieties. This investigation hopes to provide some information for crop improvement and methods of cultural practice. The study employed 14 mungbean genotypes which were seeded on the eleventh of each month for 12 consecutive months starting from June 1986 onward. Besides stages of development and growth, detailed climatic variables e.g. daylengths, temperatures and rainfall distribution were also recorded. The results revealed that climatic variables e.g. daylengths, temperatures and soil moisture, exerted strong influence on growth and development and yield of mungbean, however, the degree of response was dependent on varieties that were used. Days to flowering were hastened by short daylengths. However, low air temperatures in November and December delayed flowering and maturity. High soil moisture during the rainy season retarded mungbean growth. The best sowing dates for optimum growth and yield for the Kamphaeng Saen environment were found to be between March and June. |
|
|
ที่มา:สำนักงานกองทุนสนับสนุนการวิจัยหัวเรื่อง:โครงการยกระดับผลผลิตและรายได้ของเกษตรกรผู้ปลูกถั่วเหลืองโดยการทดสอบในไร่นา หัวหน้าโครงการ:ดร.อภิพรรณ พุกภักดี, ศาสตราจารย์ |
|