Results 61 to 70 of about 488,051 (209)

Nutrient uptake in Tetrahymena pyriformis [PDF]

open access: yesCarlsberg Research Communications, 1976
Several morphological structures have been implicated in nutrient uptake in the ciliate protozoon,Tetrahymena pyriformis: food vacuoles, various types of vesicles and the plasma membrane. It is the object of this report to discuss the roles of these organelles in food uptake.
openaire   +1 more source

Soil Chemical Properties and Nutrient Uptake of Cocoa as Affected by Application of Different Organic Matters and Phosphate Fertilizers

open access: yesCoffee and Cocoa Research Journal, 2008
Effort repair of land quality better be done by simultan namely with application of organic matters and inorganic fertilization. The objective of this research is to study the effect of varied organic matters source and phosphate fertilizers on the ...
Sugiyanto Sugiyanto   +2 more
doaj   +1 more source

Nutrient dynamics in restored and unrestored urban streams in the Piedmont ecoregion of South Carolina

open access: yesFrontiers in Environmental Science
The United States invests billions of dollars annually to perform stream restoration projects, yet few studies have investigated the effects this ecosystem manipulation has on nutrient cycling and associated water quality.
Emily N. Jordan   +6 more
doaj   +1 more source

Effects of microplastics on crop nutrition in fertile soils and interaction with arbuscular mycorrhizal fungi

open access: yesJournal of Sustainable Agriculture and Environment, 2022
Introduction Soil microplastic (MP) pollution has emerged as a main factor of global change, but its effects on soil nutrient availability and uptake by crops (macro and micronutrients) are largely unknown.
Eduardo Moreno‐Jiménez   +7 more
doaj   +1 more source

The recent genetic modification techniques for improve soil conservation, nutrient uptake and utilization

open access: yesGM Crops & Food
Advances in genetic modification (GM) techniques have generated huge interest in improving nutrient utilization, maximizing nutrient uptake, and conserving soil in the pursuit of sustainable agriculture.
Gideon Sadikiel Mmbando, Kelvin Ngongolo
doaj   +1 more source

Iso-osmotic regulation of nitrate accumulation in lettuce (Lactuca sativa L.) [PDF]

open access: yes, 2010
Concerns about possible health hazards arising from human consumption of lettuce and other edible vegetable crops with high concentrations of nitrate have generated demands for a greater understanding of processes involved in its uptake and accumulation ...
Abd-Elmoniem E. M   +33 more
core   +1 more source

Direct and residual effect of various vermicompost on soil nutrient and nutrient uptake dynamics and productivity of four mustard Pak-Coi (Brassica rapa L.) sequences in organic farming system

open access: yesInternational Journal of Recycling of Organic Waste in Agriculture, 2018
Purpose To study the direct effect on the first mustard cropping and the residual effect of three kinds of vermicompost on the productivity of the second, third, fourth Pak-Coi mustard sequential cropping. Method A field experiment was conducted for four
N. Nurhidayati   +2 more
doaj   +1 more source

Potential uptake of dissolved organic matter by seagrasses and macroalgae [PDF]

open access: yes, 2011
Dissolved organic nitrogen (DON) acts as a large reservoir of fixed nitrogen. Whereas DON utilization is common in the microbial community, little is known about utilization by macrophytes.
Bouma, Tjeerd J.   +8 more
core   +5 more sources

Integrated Nutrient Management on Soil Properties and Nutrient Uptake by Red Onion

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2017
Field experiments were carried out during the dry seasons in (2012-2013 and 2013-2014) to study the impact of Integrated Nutrient Management on some soil properties and nutrients uptake by red onion (Allium cepa L.) in Moda, Michika, Adamawa state ...
Emmanuel Kwada Kwaghe   +3 more
doaj   +1 more source

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