نتایج جستجو برای: planting media

تعداد نتایج: 293783  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم پایه 1392

جنس l. stellaria یا علف ستاره ای از تیره میخک (caryophyllaceae) شامل گیاهانی علفی، یکساله و چندساله می باشد، این جنس دارای 200-150گونه درسراسر دنیا می باشد. (bittrich, 1993). این جنس در ایران دارای 9 گونه می باشد فلورا ایرانیکا (rechinger, 1988)، در این پژوهش به بررسی گونه های: s. media, s. pallida, s. holostea, s. graminea, s. persica , از sect. stellaria ، گونه s. alsinoides از sect. pseudals...

2014
R. Jacob

The effect of seed size on germination and early growth of maize plant, was examined within three weeks to determine the best seed size require for planting. The larger size seed produced significant growth compared to medium size and small size. The seedling height, seedling width, and seedling biomass increased in larger size seed. The significant growth observed in larger size seed showed th...

2017
Sally D. Logsdon

Soils can serve as sorbents for phosphorus (P), negating the need for artificial sorbents. The purpose of this study was to compare soils with different properties for their effect on nutrient levels in effluent. Four soils were mixed with sand and packed into columns 0.5 m long, with or without compost on the surface. Infiltration and effluent concentrations were measured before and after grow...

2009
Nestor Gregorio John Herbohn Jerry Vanclay

The quality of planting material is one of the key factors that determine the success of tree farming and reforestation activities. In the Philippines, low quality seedlings are commonly used in smallholder plantings for reasons such as the limited supply of high quality seedlings and smallholders’ lack of awareness of the benefits of using high quality planting stock. The ACIAR-funded seedling...

Journal: :Abdimas talenta : jurnal pengabdian kepada masyarakat 2022

Indonesia is one of the countries with most significant biodiversity globally, and essential medicinal plants. To maintain sustainability plants, it necessary to conserve This activity aims collect preserve plants found in North Sumatra Province. The implementation method consists several stages activities: making a collection conservation hut for preparation planting media, planting, arrangeme...

2007
Melissa R. McHale Gregory McPherson Ingrid C. Burke

Emission trading is considered to be an economically sensitive method for reducing the concentrations of greenhouse gases, particularly carbon dioxide, in the atmosphere. There has been debate about the viability of using urban tree plantings in these markets. The main concern is whether or not urban planting projects can be cost effective options for investors. We compared the cost efficiency ...

2016
Robert A. Nash Shari R. Berkowitz Simon Roche

Researchers have proposed that planting false memories could have positive behavioral consequences. The idea of deceptively planting 'beneficial' false memories outside of the laboratory raises important ethical questions, but how might the general public appraise this moral dilemma? In two studies, participants from the USA and UK read about a fictional 'false-memory therapy' that led people t...

2013
B. W. Burrow

Stand establishment problems occur frequently in Arkansas rice fields and are commonly associated with cool soil temperatures (early planting) and saturated soils. There are several factors that affect rice stand establishment including diseases and insects. It is important to understand what pathogens or pests are the cause of stand problems in rice for managing stand establishment problems. I...

Journal: :E3S web of conferences 2022

Coffee is one of the plantation commodities that play an important role as a source foreign exchange for country. One alternative to overcome land decrease in rural area utilize urban farming form vertical planting system. This study aimed obtain techniques coffee seedlings using and determine effect with several growing media on growth seedlings. The was arranged non-factorial Randomized Block...

Journal: :Agrologia 2022

Nutmeg (Myristica fragans Houtt) is one of the plantation crops that has high economic value in addition to cloves, rubber, coffee, tea and cocoa. To get good plant growth, quality seeds are needed seeds, sufficient nutrients for growth roots, stems leaves. Planting media nurseries must be so produced also quality, planting using sago ela compost young coconut water as a regulator. This study a...

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