Demanda hídrica e crescimento de feijão-caupi (Vigna unguiculata (L.) Walp.) sob doses de esterco ovino

Revista Verde de Agroecologia e Desenvolvimento Sustentável Pub Date : 2022-01-03 DOI:10.18378/rvads.v17i1.9409

Lucyelly Dâmela Araújo Borborema, R. Ferraz, Patrícia Da Silva Costa, Giordano Bruno Medeiros Gonzaga, A. S. Medeiros

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Abstract

The Brazilian semi-arid region has water restrictions, which justifies the cultivation of cowpea associated with sustainable soil management practices. Thus, the objective of this work was to evaluate the water demand and growth of cowpea under doses of sheep manure in the Cariri region of Paraíba. The experiment was carried out in the municipality of Soledade, Paraíba, using a completely randomized design, testing six doses of sheep manure (D1 = 0%, D2 = 5%, D3 = 10%, D4 = 15%, D5 = 20% and D6 = 25%, m/m) and 4 repetitions, totaling 24 experimental units. Water demand was determined during cultivation and at 10 and 22 days after sowing, the length of the main branch was measured, the leaf area estimated and the root, shoot and total dry mass determined. It was verified that doses of sheep manure increase the water demand and the growth of cowpea in the Cariri region of Paraíba, being recommended the application of a dose of 13.51±1.98% of sheep manure.

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豇豆(Vigna unguiculata, L.)的需水量与生长(Walp.)在羊粪剂量下

巴西半干旱地区有水资源限制，这证明了与可持续土壤管理实践相关的豇豆种植是合理的。因此，本研究的目的是评估Paraíba卡里里地区不同剂量羊粪下豇豆的需水量和生长情况。试验在Soledade市Paraíba进行，采用完全随机设计，试验6个剂量的羊粪(D1 = 0%， D2 = 5%， D3 = 10%， D4 = 15%， D5 = 20%， D6 = 25%， m/m)， 4次重复，共24个试验单位。在栽培期间测定需水量，播种后10和22 d测定主枝长，估算叶面积，测定根、梢和总干质量。结果表明，在Paraíba Cariri地区，羊粪能提高豇豆的需水量和生长，推荐用量为13.51±1.98%的羊粪。

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Revista Verde de Agroecologia e Desenvolvimento Sustentável

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