Results 41 to 50 of about 1,437 (175)

Extraction methods and availability of micronutrients for wheat under a no-till system with a surface application of lime Métodos de extração e disponibilidade de micronutrientes para o trigo cultivado em plantio direto com calagem na superfície

open access: yesScientia Agricola, 2010
Micronutrient availability can be affected by the increase of the soil pH due to surface liming. A field trial was carried out on a loamy, kaolinitic, thermic Typic Hapludox at Ponta Grossa, Paraná State, Brazil.
Adriel Ferreira da Fonseca   +2 more
doaj   +1 more source

Crop genotypic richness enhances biomass production and phosphorus acquisition in maize‐mycorrhiza symbiosis

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Our study tests how soil and plant biodiversity can enhance sustainability of crop production in Kenya. We tested whether mixtures of maize varieties performed better than monocultures and tested their response to arbuscular mycorrhizal fungi. Mycorrhizal responsiveness differed significantly by maize variety, and genetic mixtures outperformed ...
Grace Ng'endo Kanyita   +3 more
wiley   +1 more source

Extratores de fósforo em solos da Amazônia tratados com fertilizantes fosfatados

open access: yesRevista Brasileira de Ciência do Solo, 1997
Com o objetivo de avaliar a disponibilidade de fósforo em amostras de solos representativos da Amazônia, desenvolveu-se um experimento em casa de vegetação do Centro de Energia Nuclear na Agricultura, Piracicaba (SP), de outubro de 1993 a março de 1994 ...
E. C. Brasil, T. Muraoka
doaj   +1 more source

Soil pH thresholds mediate soil biodiversity by regulating interspecific associations in alpine wetlands of the Qinghai–Tibetan Plateau

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Soil pH is recognized as a major determinant of soil biodiversity. However, the extent to which soil pH regulates soil biodiversity by influencing the biotic associations among species is unclear.
Cunzhi Zhang   +9 more
wiley   +1 more source

Calibração de métodos de determinação de fósforo em solos cultivados sob sistema plantio direto Calibration of phosphorus extraction methods in soils cultivated under no-tillage

open access: yesRevista Brasileira de Ciência do Solo, 2008
A mudança no sistema de preparo do solo e cultivo das plantas, do sistema convencional para o plantio direto, na profundidade de amostragem e o aumento de rendimento das culturas, ao longo do tempo podem alterar os teores críticos de P, as faixas de ...
Jairo André Schlindwein   +1 more
doaj   +1 more source

Photosynthetic Traits Underlying Yield Differences in Irrigated and Rainfed Soybean Systems in the Mississippi Delta

open access: yesPlant-Environment Interactions, Volume 7, Issue 4, August 2026.
ABSTRACT Understanding photosynthetic processes under field conditions is critical for identifying physiological determinants of seed yield (SY) in soybean. This study evaluated leaf gas exchange and chlorophyll fluorescence traits in seven soybean cultivars grown under irrigated (IR) and rainfed (RF) environments in the Mississippi Delta.
Srinivasa R. Pinnamaneni   +2 more
wiley   +1 more source

Extração de cobre e de zinco por soluções multielementares em solos do sul do Brasil Copper and zinc extracted by multielement solution for Southern Brazilian soils

open access: yesCiência Rural, 2010
As quantidades extraídas de cobre (Cu) e de zinco (Zn) pelas soluções de HCl 0,1mol L-1 (HCl) foram comparadas com as extraídas pelas soluções de Mehlich-1 (M1) e de Mehlich-3 (M3).
Leandro Bortolon, Clesio Gianello
doaj  

Ensembling Crop Models and Multi Criteria Analysis to Unlock Bioenergy From Marginal Lands: A Scenario‐Based Assessment From Italy

open access: yesGCB Bioenergy, Volume 18, Issue 8, August 2026.
Multi‐Criteria Analysis to identify marginal land on which three crops (Safflower, castor bean, and Ethiopian mustard) were simulated with two process‐based models (DSSAT, ARMOSA) under two different agronomical management minimums (rainfed and no fertilization) and low input (half‐water and half‐nitrogen).
Claudio Russo   +11 more
wiley   +1 more source

Extratores e disponibilidade de micronutrientes em Terra Preta de Índio da Amazônia Central Extractants and availability of micronutrients in Central Amazonian dark earth soil

open access: yesCiencia del Suelo, 2009
O objetivo deste trabalho foi avaliar a disponibilidade de B, Cu, Fe, Mn e Zn em solos com horizonte A antrópico (Terra Preta do Índio - TPI) da Amazônia Central com as soluções extratoras Mehlich 1 (M1), Mehlich 3 (M3) e DTPA-TEA.
Adônis Moreira   +2 more
doaj  

Disponibilidade de cobre para mudas de eucalipto em solos de cerrado

open access: yesRevista Brasileira de Ciência do Solo, 2010
No Brasil, com a intensificação da silvicultura clonal, o plantio de materiais genéticos mais produtivos e exigentes nutricionalmente tem aumentado o aparecimento de sintomas de deficiência de micronutrientes, principalmente de B e, mais recentemente, de
Fernando Antonio Vieira Rodrigues   +4 more
doaj   +1 more source

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