Browsing Faculty of Agriculture by Author "Wawan"

Now showing items 1-8 of 8

Makrofauna Tanah Pada Ultisol Di Bawah Tegakan Berbagai Umur Kelapa Sawit (Elaeis guineensis Jacq.)

Putra, Muhammad; Wawan; Wardati (2013-07-17)

The purpose of this research is to identify the soil macrofauna, calculate the density of population and determine the potential soil macrofauna for Biotillage. The research was conducted by survey method. The results of ...
Pengaruh Pemberian Biochar dan Pupuk N, P dan K Terhadap Tanaman Cabai Merah (Capsicum annuum L.)

Howe, Tuhumena; Wawan; Nasrul, Besri (2013-06-21)

The research objective was to determine the effect of biochar and N, P, and K fertilizer to the value of electrical conductivity (EC) in the soil and to determine the effect of biochar and fertilizer N, P and K to the red ...
Pengaruh Pemberian Kapur Dan Bahan Organik Pada Tanah Dystrudepts Dari Areal Kelapa Sawit Terhadap Perkembangan Cacing Tanah (Pontoscolex corethrurus)

Arzon; Wardati; Wawan (2013-01-28)

Dystrudepts soil has a low of pH and organic matter, it is not eligible for the live of earthworms. It is necessary to give lime and organic matter into the soil by Calopogonium Sp and Asystasia gangetica. This study aims ...
Perubahan Penggunaan Lahan Hutan Alam Menjadi Hutan Tanaman Industri (Hti) Acacia crassicarpa Terhadap Beberapa Sifat Kimia Tanah Gambut

Khotimah, Khusnul; Wawan; Wardati (2013-07-17)

The increasing of material timber industrial will lead to extension of plantation forest area in peat soil. In natural peat land forest, condition of soil is always reductive and moist, soil reaction (pH) is very acid and ...
Perubahan Penggunaan Lahan Hutan Alam Menjadi Hutan Tanaman Industri (Hti) Acacia crassicarpa Terhadap Beberapa Sifat Kimia Tanah Gambut

Khotimah, Khusnul; Wawan; Wardati (2013-07-31)

The increasing of material timber industrial will lead to extension of plantation forest area in peat soil. In natural peat land forest, condition of soil is always reductive and moist, soil reaction (pH) is very acid and ...
Perubahan Penggunaan Lahan Hutan Alam Menjadi Hutan Tanaman Industri Acacia crassicarpa Terhadap Beberapa Sifat Fisika Tanah Gambut

Ade, Noviria; Wawan; Ikhsan (2014-02-13)

The purpose of this research was determine how the effect of lands use change from natural forest to plantation forest Acacia crassicarpa on some physical properties of peat soil.The research wasconducted by survey method, ...
Perubahan Sifat Fisik Berbagai Jenis Tanah Di Bawah Tegakan Kelapa Sawit (Elaeis guineensis jacq.) Yang Diaplikasi Tandan Kosong Kelapa Sawit (Tkks) Di Pt. Salim Ivomas Pratama

Al Khoiri; Annom ,Edison; Wawan (2013-07-11)

This study aims to determine the change of the physical properties of soils types various under stands of oil palm (Elaeis guineensis Jacq.) is applied oil palm empty bunches (OPEB). The research was conducted by survey ...
Sifat Fisika Ultisol Di Bawah Tegakan Kelapa Sawit (Elaeis giuneensis Jacq.) Yang Berbeda Umur Dan Kaitannya Dengan Pemadatan Tanah

Panjaitan, Fany Juliarti; Wawan; Islan (2013-06-25)

The purpose of this research is to determine the physical properties of Ultisols under oil palm stands of different age and evaluate the level of soil compaction. The research was conducted by survey method. The results ...

Browsing Faculty of Agriculture by Author "Wawan"

Browsing Faculty of Agriculture by Author "Wawan"

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