E. Harso Kardhinata
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PENGARUH PEMBERIAN PUPUK BOKASHI DAN NPK (15-15-15) TERHADAP PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS TANAMAN JAGUNG (Zea mays L.) Amri Putra Sembiring; Mbue Kata Bangun; E. Harso Kardhinata
Jurnal Agroekoteknologi Vol 1, No 2 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (207.283 KB) | DOI: 10.32734/jaet.v1i2.1178

Abstract

Corn is the third plant of food after wheat and rice. To increasing of productionneeded to use hybrid and nonhybrid variety, with organic and unorganic fertilizer. Theobjective of this research was to evaluate the influence of bokashi and NPK fertilizer ongrowth and yield some maize varieties.The research was carried out in the UPT Balai BenihInduk Palawija Tanjung Selamat, Deli Serdang. This research used Randomized BlockDesign. Two varieties of maize (Bisma and SHS-4), two levels of bokashi (0 and 180g/plant), and three dosages of NPK (4,2 ; 8,4 ; 16,8 g/plant) were used in the experimentwith three replications. The results showed that varieties were significantly different toparameters plant height and numbers of leaf. Bokashi treatment have no significant effectto all parameters. NPK treatment were significant to parameter numbers of leaf at 6 dan 7week after planted. The combination between varieties and bokashi, varieties dan NPK,bokashi and NPK, and combination of varieties, bokashi and NPK have no significanteffect to all parameters.Key words : Variety, Bokashi, NPK Fertilizer
ANALISIS FAKTOR KEPEMIMPINAN KOMPENSASI DAN BUDAYA ORGANISASI TERHADAP PRODUKTIVITAS TENAGA KERJA PADA PT. INDUSTRI KARET DELI MEDAN Oslen Simarmata; Syaad Afifuddin; E. Harso Kardhinata
JURNAL AGRICA Vol 8, No 1 (2015): JURNAL AGRICA
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agrica.v8i1.1301

Abstract

The aim of this research is  to know factors that affect manpower productivity especially leadership factors, compensation factor and cultural organisation  factor  in PT.Industri Karet Deli Medan. Methode of determining magnitude sample is use Slovin method with asumsion of sampling error totalled 5%, so obtained sample 96  manpower  person. Top of Form Result for these research with distribute quesioner to manpower  to 96 sample and doing interview to company about output or product motor circle tire  to last three months 2013 from January to March 2013 so obtained data skor and production data to analyzed. For  all of result research had testing result all item score and total score said valid, and inter item reliabel score. Data distributed normally follow line diagonal, and does not occur mulikolinearity, and does not occur heterokedastisity.  Leadership factor is real positif and influence significantly  to the manpower productivity.  By simultan with α=0,05 to test two sides become 0,025 achieved F counts = 20,438 with sig.= 0,000 < 0,025 alleged by significan so together influence leadership factor ( , compensation factor ( , and factor of organization culture (  have positive influence on manpower produktivity, and see coefficient determination shows  that  by simultan leadership factor, compensation and organisational culture have positip influence on manpower produktivity  as big as 40% whereas waste him 60% more still influenced other factors that untested in perusal this research. Keywords : productivity, production factor, tomato, cabbage potatoes