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ANALISIS UNSUR HARA N, P DAN K PADA BERBAGAI KELERENGAN DAN KEDALAMAN TANAH DI BAWAH TEGAKAN SENGON (Paraserianthes falcataria (L) Nielsen)

ARDHIYANTO, IKA (2012) ANALISIS UNSUR HARA N, P DAN K PADA BERBAGAI KELERENGAN DAN KEDALAMAN TANAH DI BAWAH TEGAKAN SENGON (Paraserianthes falcataria (L) Nielsen). Other thesis, University of Muhammadiyah Malang.

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Abstract

The research purpose is to find out nutrient elements of N, P, and K in different land-slopes. The research is done in Segaran village Tiris sub-district Probolinggo district located between 070 56.846Â’ South Latitude and 113024.901Â’ East Longitude in October 6th 2011 The research method is done by taking soil samples for > 30 grams in each slope class in 0-20 cm and 20-30 cm depth. The soil amples is done in random and itÂ’s taken 10 observation points in each land-depth and slope and repeat three times, each point is taken the soil samples for >30 grams. Slope classes are differed into five classes, they are Class I (0-7%), Class II (8-15%), class III (16-24%), Class IV (25-45%) and Class V (>45%). The land broad of each slope to be observed is 1 Ha. Soil samples analysis is done in Chemical Laboratory in University of Muhammadiyah Malang. Design used is Group Random Design with one slope factor consisted of five levels, where level I = 0-7%, II=8-15%, III = 16-24%, IV = 25-45$ and V = >45%, each is repeated three times, so there will be five treatments repeated three times produced 5 x 3 = 15 experiment units The experiment shows there is an influence of land-slope which is so real in land nitrogen in both land depth. Highest N content in 0-20 cm depth and 20-30 cm located in slope class I, which is 0.224% and 0.258%, the lowest N is also in slope class V, which is 0.080% and 0.187%. the similar influence also happened in P and K. The highest P value in slope class I is 0.056% and 0.060%. while for the highest K rate is in slope class I for 0.018% and 0.020%, the lowest K rate is in slope class V, which is 0.008% and 0.015%. The research shows that slope factor has real influence to nutrient elements of N, P, and K inside the soil. Bigger the land-slope, less the nutrient elements of N, P, and K.

Item Type: Thesis (Other)
Subjects: S Agriculture > SD Forestry
Divisions: Faculty of Agriculture and Animal Husbandry > Department of Forestry (54251)
Depositing User: Gusti Vani Putri Cahya
Date Deposited: 11 Feb 2015 13:52
Last Modified: 11 Feb 2015 13:52
URI : http://eprints.umm.ac.id/id/eprint/16062

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