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All Journal Jurnal Penyuluhan Jurnal Online Mahasiswa (JOM) Bidang Pertanian Jurnal Solum JURNAL ILMIAH MAHASISWA AGROINFO GALUH IJAE

Yusmini Yusmini

Unknown Affiliation

Author-ID : 2488158

Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science

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EFISIENSI PEMUPUKAN P TANAMAN CABE PADA LAHAN INTENSIFIKASI YANG DIBERI BAHAN ORGANIK DENGAN TEKNIK P-32 Yulnafatmawita Yulnafatmawita; Lusi Maira; Junaidi Junaidi; Yusmini Yusmini; Nurhajati Hakim
Jurnal Solum Vol 3, No 1 (2006): Jurnal SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Phosphorous (P) is one of plant nutrient needed by plant in much amount as it is called as macro essential plant nutrient. This element, P, has complete problems. It is not only found in a small amount in soil compared to other nutrients, but it also has some problems in soil if it is there. At acid soils such as Ultisols, phosphorous is binded by aluminium (Al) and iron (Fe), while in basic soils it is held by calcium (ca) and magnesium (Mg). Therefore, both in acid soils or basic soils P is not available for plant growth. A research about P-fertilizer use efficiency for chilli (Capsicum annum) on intensification land which was added organic matter (OM) using P-32 technique was conducted in glasshouse and soil laboratory of Agricultural Faculty, and in laboratory of center for research utilizing nuclear science and technique (P3IN) Andalas University Limau Manis Padang from 1996 to 1997. The objective of this research was to measure P-fertilizer use efficiency (FUE) by chili on horticulture intensification area (on Andisols) as affected by organic matter. This research was designed as completely randomized design (CRD) with 2 factors those were TSP (consisting of 0, 25, and 50 kg P2O5/ha) and OM especially chicken manure (consisting of 2, 4, 6, 8, and 10 ton/ha) by 3 replications. The results showed that plant dry matter became higher by decreasing P-fertilizer added but was not significantly affected by manure. P-fertilizer (P-32) uptake by plants was not significantly affected by P-fertilizer and manure aapplication, therefore P-FUE decreased by increasing P-fertilizer added and tended to increase by increasing dosage of manure applied. Key words: fixed-P, available-P, desorpted-P, FUE, P-32 technique

PERANAN BAHAN ORGANIK DALAM PEMBEBASAN P-TERIKAT PADA TANAH ANDISOL Yulnafatmawita Yulnafatmawita; Lusi Maira; Junaidi Junaidi; Yusmini Yusmini; Nurhajati Hakim
Jurnal Solum Vol 2, No 2 (2005): Jurnal SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

A research about organic matter role on P desorption in Andisol was conducted in soil laboratory of Agricultural Faculty, Andalas University Limau Manis Padang. The objective of this research was to find out the ability of organic matter to change retained- or fixed-P into available-P in Andisols. This research was designed as completely randomized design (CRD) with 5 levels of chicken manure consisting of 2, 4, 6, 8, and 10 ton/ha by 3 replications. Based on laboratory analysis, the soil (Andisols) had pH 5.65, OC 2.33%, N-total 0.26%, available-P 56.94 ppm, and potential-P 60.38 mg/100 g soil. While chicken manure had OC 21.45%, total-N 5.60%, total-P 33.19 mg/100g and C/N ratio 3.83. The results showed that desorpted-P increased by increasing amount of chicken manure applied. Key words: fixed-P, available-P, desorpted-P

Co-Authors Eliza Eliza Ermi Tety Evy Maharani Frisna Dewi Lestari Jumatri Yusri Junaidi Junaidi Lusi Maira Maya Utari Miranti Mandasari Nurhajati Hakim Rachmawaty Sri Cintami Rona Dwi Hidayah sti Kurniawati E Sunarti Sunarti SURYA NINGSIH Susy Edwina Tika Yuliyanti Vera Riantika Putri Wan Azmiliana Yeni Kusumawaty Yulnafatmawita Yulnafatmawita

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