Results 11 to 20 of about 146,828 (212)

Oxalic acid-mediated phosphorus availability regulates the variations of karst soil organic carbon fractions under drought [PDF]

open access: yesFrontiers in Plant Science
Soil organic carbon (SOC) pool in terrestrial ecosystems is increasingly threatened by drought and altered root exudates input under global climate change, but mechanisms changing SOC fractions [Dissolved organic C (DOC), Particulate organic C (POC ...
Daxiang Ye   +19 more
doaj   +2 more sources

Long-term farming and cropping systems with contrasting nitrogen forms and input diversity influence soil prokaryotic diversity in the central highlands of Kenya. [PDF]

open access: yesPLoS ONE
BackgroundUnderstanding how farming systems management influences soil microbial communities is essential for advancing sustainable agriculture in tropical regions.
Susan Wairimu Muriuki   +10 more
doaj   +2 more sources

Crescimento inicial do tomateiro-cereja sob irrigação com águas salinas em solo com biofertilizantes bovino Initial growth of cherry tomatoes under irrigation with saline water in a soil with bovine biofertilizer

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2011
Um experimento foi desenvolvido no período de outubro de 2009 a fevereiro de 2010, em ambiente telado do Departamento de Solos e Engenharia Rural do Centro de Ciências Agrárias da Universidade Federal da Paraíba, Areia, PB, para avaliar a influência da ...
Reinaldo F. Medeiros   +5 more
doaj   +1 more source

Going with the µFlow: Reinterpreting Energy Input in Organic Synthesis

open access: yesCHIMIA, 2023
The popularity of microflow chemistry has skyrocketed in the last 20 years, more and more chemists are switching from macro-batch reactors to miniaturized flow devices.
Laura Y. Vázquez-Amaya   +3 more
doaj   +1 more source

Effet du zaï amélioré sur la productivité du sorgho en zone sahélienne

open access: yesVertigO, 2011
Impact of improved zaï on the yield of sorghum in sahelian zone. The present study aims to show that the effect of the organic matter and water management with zaï soil restoration technique, could improve agricultural productions on degraded soils.
Philippe Bayen   +4 more
doaj   +1 more source

The Occurrence and Distribution of Oleanane Biomarkers in Crude Oils as an Index [PDF]

open access: yesJournal of Petroleum Science and Technology, 2021
Oleanane biomarkers are age diagnostic indicators and source of organic matter input in fossil fuels which can unravels the stage of development of a petroleum system in the petroleum generating rock. Representative samples of crude oil obtained from two
Onojake Chukunedum, Selegha Abrakasa
doaj   +1 more source

In low-input and organic systems: Researchers find short-term insect problems, long-term weed problems

open access: yesCalifornia Agriculture, 1994
The conversion from conventional to low-input or organic crop production requires changes in pest control tactics. In a 5-year study, abundance of most pests did not change dramatically between conventional and low-input or organically ...
W. Thomas Lanini   +3 more
doaj   +3 more sources

Yield in cultivars of the West Indian gherkin for different doses of biofertiliser = Produtividade de cultivares de maxixeiro em função de doses de biofertilizante

open access: yesAgro@mbiente On-line, 2015
The fruit of the West Indian gherkin is greatly appreciated in Brazilian cuisine, especially in the north and northeast of Brazil. However, it is still considered a secondary crop, and is cultivated using non-technical management.
Lucas Pereira Gomes   +5 more
doaj   +1 more source

Reviewing the organic matter processing by wetlands [PDF]

open access: yesActa Limnologica Brasiliensia, 2023
Aim Cycling processes in wetlands are highly dynamic and involve complex interactions between hydrological processes, biogeochemical transformations, and microbial communities.
Marcela Bianchessi da Cunha-Santino   +1 more
doaj   +1 more source

Milk Urea Content and δ13C as Potential Tool for Differentiation of Milk from Organic and Conventional Low- and High-Input Farming Systems

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2017
The influence of farming type (conventional or organic) and production system (low-and high-input) on various quality characteristics of milk have been in the focus of studies over the last decade.
Yaroslava Zhukova   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy