Isaías dos Santos Reis

ORCID: 0000-0002-6381-6053
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About
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Research Areas
  • Growth and nutrition in plants
  • Crop Yield and Soil Fertility
  • Agricultural and Food Sciences
  • Plant Micronutrient Interactions and Effects
  • Soil Management and Crop Yield
  • Pineapple and bromelain studies
  • Banana Cultivation and Research
  • Potato Plant Research
  • Irrigation Practices and Water Management
  • Agricultural Science and Fertilization
  • Plant Growth Enhancement Techniques
  • Agronomic Practices and Intercropping Systems
  • Plant nutrient uptake and metabolism
  • Plant Physiology and Cultivation Studies
  • Flowering Plant Growth and Cultivation
  • Plant tissue culture and regeneration

Universidade Estadual Paulista (Unesp)
2020-2021

ABSTRACT Nitrogen is the second nutrient most demanded by arugula. However, positive effect it has on yield can negatively impact quality of this vegetable, with negative effects human health. Two experiments (summer and autumn) were carried out to evaluate N rates (0, 50, 100, 150, 200 250 kg ha−1) arugula growth, (nitrate content). Each experiment was set up in a randomized block design four replications. Increasing reflected positively leaf content thus, higher desirable values height,...

10.1590/1983-21252021v34n214rc article EN cc-by Revista Caatinga 2021-06-01

Phosphate fertilizers when applied to the soil, besides being harvested by crops, promote a residual effect that can be offered subsequent crops. The objective of this research was evaluate phosphate fertilization maize cultivation on successor crop, cowpea, in Cerrado region Maranhao. carried out experimental area Federal University Maranhao (UFMA), located city Chapadinha, MA (3°44'30"S, 43°21'37''W). design randomized blocks, with six treatments and four replications. were composed...

10.4236/ajps.2018.94051 article EN American Journal of Plant Sciences 2018-01-01

ABSTRACT Fertiliser recommendation tables for beet culture have been prepared based on the response to potassium (K) doses in soils with a low nutrient content. However, there is little research that evaluates fertilisation crops soil high K content, condition commonly found, which allows better understanding of crop’s nutrient. The objective was evaluate Oxisol experiment carried out field, an experimental design randomised blocks, 4 x 2 factor scheme four replications. were 0, 60, 120 and...

10.1590/1983-21252020v33n314rc article EN cc-by Revista Caatinga 2020-09-01

Arugula is a short-cycle species with high demand for nutrients. In the plant, each nutrient performs one or more specific functions, so its deficiency will negatively impact crop growth and development, being important to recognize nutritional symptoms help in decision making. this context, objective of study was describe evolution N, K, Mg deficiencies their effect on arugula plants. One at time, nutrients were omitted from solution. At 13, 16, 18, 20 days after transplanting (DAT)...

10.9755/ejfa.2021.v33.i7.2722 article EN cc-by Emirates Journal of Food and Agriculture 2021-08-18

Vegetable intercropping has advantages over single cultivation in terms of less environmental impact. However, to convince farmers adopt this production system, it is necessary prove greater efficiency the more food per unit area and therefore an increase productivity. An experiment was carried out aiming evaluate effect chicory transplant time intercrops with collard greens on crop yields land use index (LUE). The experimental design a randomized block, nine treatments 2 × 4 + 1 factorial...

10.48162/rev.39.043 article EN cc-by-nc-sa Revista de la Facultad de Ciencias Agrarias UNCuyo 2021-12-01

ABSTRACT Nitrogen (N) is the second most accumulated nutrient in rocket. This greatly affects growth, productivity and quality of vegetable. Rocket widely grown leafy vegetable hydroponic system; however, no studies on how N concentration solution this crop can be found literature. We studied four concentrations (79.2; 118.8; 158.4 237.6 mg L-1 N) a randomized block design with five replicates. Maximum number leaves, leaf area, dry mass rocket cv. ‘Folha larga’ were obtained highest...

10.1590/s0102-0536-20210316 article EN Horticultura Brasileira 2021-09-21

A propagação vegetativa de floríferas por estaquia é uma alternativa viável para a produção em larga escala, e quando associado substratos regionais, essa possibilita obter mudas que atendam às exigências do mercado consumidor, além reduzir o custo produção. Buscou-se avaliar com pesquisa, proporções crescentes caule decomposto babaçu (CDB), acrescida casca arroz carbonizada (CAC) na Polyscias guilfoylei. O experimento foi conduzido casa vegetação 70 % interceptação luminosa entre os meses...

10.33448/rsd-v9i9.7889 article PT Research Society and Development 2020-09-01

Trabalho de Conclusao Curso, apresentado ao Curso Agronomia do Centro Ciencias Agrarias e Ambientais da Universidade Federal Maranhao, para obtencao grau Bacharel em Agronomia.

10.21757/0103-3816.2018v30n2p119-126 article PT Agrotrópica (Itabuna) 2018-08-31

Abstract Pineapple plants of the cultivar Turiaçu are important for fruit production sector in state Maranhão (MA), Brazil, because their quality and local social economic value. The objective present work was to evaluate characteristics pineapple at vegetative propagative stages two places, using fertilization sources. study conducted municipalities São Luís, MA, mineral organic fertilizations. were evaluated number leaves leaf dry weight; stem diameter, length, width, fresh weights D leaf;...

10.1590/0100-29452020625 article EN cc-by Revista Brasileira de Fruticultura 2020-01-01
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