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PENGARUH CARA TANAM KEDELAI DAN DOSIS NITROGEN PADA TANAMAN KAPAS TERHADAP PERKEMBANGAN HAMA DAN HASIL KAPAS MOCH. SAHID; MOHAMMAD CHOLID; TIT1EK YULIANTI
Jurnal Penelitian Tanaman Industri Vol 5, No 4 (2000): Maret, 2000
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n4.2000.128-134

The effect of soybean planting methods and dosage of nitrogen fertilizer for cotton on pest development and cotton yieldThe effect of soybean planting methods and dosage of N fertilizer for cotton on pests development and cotton yield was studied in Tanggungan, Pucuk, lanongan from July 1997 to March 1998 on wet land previousl grown with rice plant rice. Split plot design in three replicates was used, planting system of soybean (sowed and planted in a hole) was the main plot and the rate of N fertilizer (30 kg N/ha, 60 kg N/ha and 90 kg N/ha) was the sub plot. Urea and ZA were used as source of N; SP36 for P20, and KCI for KjO. The rate of SP36 was 50 kg/ha and KCI was 50 kg/ha. One third of the full dosage of N (ZA) and the full dosage of P]Oj (SP36) and K20 (KCI) were applied at the time of planting While 2/3 of N were applied 6 weeks after planting. Cotton variety used in this study was ISA 205 A and soybean was Willis. Cropping pattern was 2 rows of cotton and 5 rows of soybean. Planting space of cotton was (190) 60 cm x 30 cm (2 plants per hole), hence the population was 53 280 plants per hectare. Plant spacing of soybean was 30 cm x 20 cm (2 plant per hole), hence the population was 200 000 plants per hectare. Parameters evaluated were the growth of cotton plant (height and canopy); component of yield (vegetative and generative branch, square shedding and number of bolls), and population of pest. The results showed that increasing the dosage of N from 30 (50% of the recommended dosage) to 60 kg (recommended dosage) and 90 kg (150% of the recommended) resulted in increased population of H. armigera from 12.33 insect to 18.77 and 17.00 insect, Erias sp. from 93.17 to 51.50 and 51.50 and S. bigutulla fom 103.5 to 102.50 and 122.30 insects per plant. Increased population of pest was followed by increased frequency of spraying from 2.50 to 3.50 and 3.67 times. Application of 30 kg N/ha decreased the population of// armigera, Earias sp. and 5. biguttula. however, the highest yield of cotton (1 580.16 kg/ha) was gained by applying 60 kg N/ha. Soybean planted by broascasting method had greater effect on cotton and soybean yields than dibbling method.

PENERAPAN PAKET TEKNOLOGI TUMPANGSARI KAPAS DAN KEDELAI PADA LAHAN SAWAH SESUDAH PADI MOCH. SAHID; NURHERU NURHERU; S. A. WAHYUNI
Jurnal Penelitian Tanaman Industri Vol 5, No 1 (1999): Juni, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n1.1999.25-30

Application of technology package of cotton intercropped with soybean in paddy field after riceThe research was conducted in Mantup Village, Larnongan from Feb¬ ruary to July 1998. The objective of the research was: (1) to know the farmers' adoption level of the recommended technologies, and (2) to increase the income of cotton farmers The research covered 30.47 hectaes and 83 cooperative fanners. For comparison, the other 29 IKR farmers surrounding the area were also involved The components of technology that are recom¬ mended for the cooperative farmers include the usage of delinted seeds and the appropiate vaiety of cotton (ISA 205) and soybean (Wins), simultaneous planting ight away after ice, proper application of watering aid fertilization and application of fPM for cotton intercropped with soybean. The observa- tions were made for the number of farmers who applied the recommended technologies, production inputs and their price, the use of labor, production of cotton and soybean. Data analysis was done as per tabulation and enter¬ pise The average of farmers' adoption level of the recommended technology was around 89%. The productivity of cotton and soybean obtained by cooperative farmers were 1 630 kg/ha and 747 kg/ha. respectively. These were higher than those of IKR farmers wbo obtained 1212 kg/ha and 735 kgAia for cotton and soyben. respectively The income of cooperative farmers was Rp 1 901 300 and of DCS farmers was Rp I 197 825 Therefore, the cooperative farmers have a higher income than that of OCR fanners, i.e. Rp 703 475 or 58.73%.

PENERAPAN PAKET TEKNOLOGI TUMPANGSARI KAPAS DAN KEDELAI PADA LAHAN SAWAH SESUDAH PADI MOCH. SAHID; NURHERU NURHERU; S. A. WAHYUNI
Jurnal Penelitian Tanaman Industri Vol 5, No 1 (1999): Juni, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n1.1999.25-30

Application of technology package of cotton intercropped with soybean in paddy field after riceThe research was conducted in Mantup Village, Larnongan from Feb¬ ruary to July 1998. The objective of the research was: (1) to know the farmers' adoption level of the recommended technologies, and (2) to increase the income of cotton farmers The research covered 30.47 hectaes and 83 cooperative fanners. For comparison, the other 29 IKR farmers surrounding the area were also involved The components of technology that are recom¬ mended for the cooperative farmers include the usage of delinted seeds and the appropiate vaiety of cotton (ISA 205) and soybean (Wins), simultaneous planting ight away after ice, proper application of watering aid fertilization and application of fPM for cotton intercropped with soybean. The observa- tions were made for the number of farmers who applied the recommended technologies, production inputs and their price, the use of labor, production of cotton and soybean. Data analysis was done as per tabulation and enter¬ pise The average of farmers' adoption level of the recommended technology was around 89%. The productivity of cotton and soybean obtained by cooperative farmers were 1 630 kg/ha and 747 kg/ha. respectively. These were higher than those of IKR farmers wbo obtained 1212 kg/ha and 735 kgAia for cotton and soyben. respectively The income of cooperative farmers was Rp 1 901 300 and of DCS farmers was Rp I 197 825 Therefore, the cooperative farmers have a higher income than that of OCR fanners, i.e. Rp 703 475 or 58.73%.

PENGARUH JARAK TANAM TERHADAP JUMLAH MATA TUNAS PADA BEBERAPA KLON KAPUK MOCH. SAHID; BUADI BUADI; O. M.Y. FACHRUDIN
Jurnal Penelitian Tanaman Industri Vol 6, No 1 (2000): Juni, 2000
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jlittri.v6n1.2000.14-17

Effect of plant spacing on the number of buds of capok clonesThe experiment was conducted at Muktiharjo Experimental Farm. Pati from December 1991 to December 1993. The experiment was arranged factorially in a split plot design with three replications. The main plot was plant spacing, i.e. 2 m x I m and 2 m x 2 m, while the sub plot was clones (source of buds), namely MH I. Mil II. logo B, (lanang 36 x Siam) x Congo, (Congo 2 x Lanang). (SS 29 x Congo), (Jepara x Congo 2), and (P. Gudang x Lanang) x Congo. Plot size was 20 m x 4 m The size of planting hole was 0 6 m x 0 6 m x 0.6 m. one plant per hole. Canle manure mixed with soil was applied at planting lime Results showed that capok with plant spacing of 2 m x I m produced higher number of active buds per ha ( 147 625 buds) than that with plant spacing of 2 m x 2 m (79 661 buds). However, ihe first plant spacing produced smaller diameter (34.47 mm) than the second one (42.53 mm) The highest number of active buds was produced by the clone SS 29 x C, i.e. 123 959.33 buds per ha or 33.33 buds per plant

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