Results 1 to 10 of about 1,183,840 (305)

Evolution of the spherical cavity radius generated around a subsurface emitter [PDF]

open access: yes, 2010
The emitter discharge in subsurface drip irrigation can be affected by soil properties. A positive pressure develops at the emitter outlet where a spherical cavity is assumed to form.
Gil Rodríguez, María   +3 more
core   +1 more source

STUDI KETERSEDIAAN N-TANAH DI SENTRA TANAMAN BAWANG PUTIH (Allium sativum L.), KECAMATAN PUJON, MALANG, JAWA TIMUR

open access: yesJTSL (Jurnal Tanah dan Sumberdaya Lahan), 2019
Pujon District is one of garlic centers for increasing garlic production in Malang. One of the causes of low garlic production is the low soil fertility. The status of soil fertility in garlic areas is influenced by availability of soil N.
Ketriwani Panggabean, S Soemarno
doaj   +1 more source

Physical properties of soil mixes used by nurseries

open access: yesCalifornia Agriculture, 1964
Soil mixes have been proposed and are being used by nurseries for various reasons. Evaluations of their properties relating to disease control and fertilization have been well documented.
S Richards, J Warneke, F Aljibury
doaj  

PENGGUNAAN MULSA PLASTIK SEBAGAI UPAYA KONSERVASI LAHAN UNTUK MENJAGA STABILITAS SIFAT FISIKA DAN KIMIA TANAH

open access: yesJTSL (Jurnal Tanah dan Sumberdaya Lahan)
Low nutrient availability and high soil bulk density are caused by the loss of fertile soil particles due to the kinetic energy of rain. Land management that does not apply conservation principles such as soil covering is one of the factors causing this
Tini Sudartini   +3 more
doaj   +1 more source

The effects of organic farming on the soil physical environment [PDF]

open access: yes, 2006
The aim of this research was to investigate the effects of organic farming practices on the development of soil physical properties, and in particular, soil structure in comparison with conventional agricultural management.
Bird, N R A   +3 more
core  

Diversity and numbers of root-nodule bacteria (rhizobia) in Polish soils

open access: yesActa Societatis Botanicorum Poloniae, 2011
Using a sand pouch-plant infection method, populations of several species of root-nodule bacteria (rhizobia) were enumerated in eighty soils collected throughout Poland. Rhizobium leguminosarum bv.
Stefan Martyniuk   +2 more
doaj   +1 more source

Microflora in soils of desert regions [PDF]

open access: yes, 1970
Desert soil samples, collected using aseptic techniques, are low in organic matter and cation exchange capacity. Aerobic and microaerophilic bacteria are most abundant, next are algae and molds. Chemical and physical properties are determined by standard
Cameron, R. E.
core   +1 more source

Effect of reconstituted method on shear strength properties of peat [PDF]

open access: yes, 2017
Peat is an organic soil contains more than 75% organic content. Shear strength of the soil is one of the most important parameters in engineering design, especially during the pre-construction and post-construction periods, since used to evaluate the ...
Wahab, Norhaliza
core  

Effects of environmental factors and soil properties on topographic variations of soil respiration [PDF]

open access: yesBiogeosciences, 2010
Soil respiration rates were measured along different parts of a slope in (a) an evergreen forest with common brown forest soil and (b) a deciduous forest with immature soil.
K. Tamai
doaj  

Use of wetlands, ponds and buffer zones in Finland [PDF]

open access: yes, 2005
Main purpose of the CWs (constructed wetlands) for the treatment of runoff from agricultural areas is to reduce nutrient loading to surface waters and hence combat eutrophication.
Koskiaho, Jari
core  

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