สืบค้นงานวิจัย
COMPENSATORY TAPPING SYSTEMS TO TAPPERS RARITY APPLIED TO THE CLONE PR 107 OF HEVEA BRASILIENIS (MUELL. ARG.): II EFFECT OF THE NATURE OF THE EXPLOITED BARK AND THE POSITION OF TAPPING PANEL
Samuel OBOUAYEBA - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): COMPENSATORY TAPPING SYSTEMS TO TAPPERS RARITY APPLIED TO THE CLONE PR 107 OF HEVEA BRASILIENIS (MUELL. ARG.): II EFFECT OF THE NATURE OF THE EXPLOITED BARK AND THE POSITION OF TAPPING PANEL
ผู้แต่ง / หัวหน้าโครงการ (EN): Samuel OBOUAYEBA
บทคัดย่อ (EN): The growing of Hevea brasiliensis, main origin of natural rubber faced a serious constraint that is dearness or rarity of tappers. To overcome such constraint, exploitation systems that reduce the need for tappers have been experimented on clone PR 107 in Cote d’Ivoire. For this purpose, reduced intensity tapping systems compensated by high stimulation ( ½ S d/6 6d/7 ET 5 % 10/y) and ¼ S d/3 6d/7 ET 10 % 8-10/y) had be tested and compared to actual exploitation system ( ½ S d/3 6d/7 ET 5 % 4/y) according to production, growth, physiological profile and tapping panel dryness on the nature of the exploited bark and the orientation of the tapping. Agronomic and physiological results show that the reductions of tapping intensity are not always compensated by the high stimulation. Best altermatives to the reference system reduced from 10 to 50% the need of tappers and mitigated shortage and/or the expensiveness of the labour. These alternatives exploitation system are downward tapping on first renewal bark (BI) ½ S d/6 6d/7 10/y; upward tapping on virgin bark (HO) ¼ S d/3 6d/7 10/y; downward tapping on second renewal bark (BII) ¼ S d/3 6d/7 8-10/y and during the experiment, ¼ S d/3 6d/7 10/y. This study is good opportunity to suggest, apart from nature of exploited bark and the king of tapping, the application of profitable compensative exploitation systems evidenced for smallholding rubber tree plantation in the future.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): low intensity tapping systems
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
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COMPENSATORY TAPPING SYSTEMS TO TAPPERS RARITY APPLIED TO THE CLONE PR 107 OF HEVEA BRASILIENIS (MUELL. ARG.): II EFFECT OF THE NATURE OF THE EXPLOITED BARK AND THE POSITION OF TAPPING PANEL
Samuel OBOUAYEBA
การยางแห่งประเทศไทย
ไม่ระบุวันที่เผยแพร่
COMPENSATORY TAPPING SYSTEMS TO TAPPERS RARITY APPLIED TO THE CLONE PR 107 OF HEVEA BRASILIENIS (MUELL. ARG.): I ASSESSMENT OF 21 YEARS OF EXPLOITATION Effect of Tapping Systems and Simulation on Clone RRIT 251 Effect of Tapping Panel Management on Agronomic and Physiological Parameters of Hevea brasiliensis (Mull. Arg.) Clone GT1 in Southeastern Côte d’Ivoire Carbohydrate Variation of Hevea Induced by Tapping Systems Alternative Tapping Systems for RRIC 100 Clone From Opening INFLUENCES OF LOW FERQUENCY UPWARD TAPPING SYSTEMS ON HEVEA BRASILIENSIS CLONE PB 260 Effect of Panel Changing on Long Term Yield Response of Hevea brasiliensis (clone RRII 105) under Different Frequencies of Tapping and Stimulation EFFECT OF DCA (DOUBLE CUT ALTERNATE TAPPING SYSTEM) ON RENEW BARK AND TPD (TAPPED PANEL DRYNESS) SYMPTOM WITH RRIM 600 CLONE SOME CONSIDERATIONS CONCERNING THE PANEL MANAGEMENT IN RUBBER TAPPING (HEVEA BRASILIENSIS) Influence of age and girth at opening on rubber yield, biochemical and tapping panel dryness parameters of Hevea brasiliensis in determining tapping norms
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