Krishna, Knowligi R. Agroecosystems : soils, climate, crops, nutrient dynamics and productivity / Knowligi R. Krishna. -- Oakville : Apple Academic Press, 2014. -- xii, 536 s. : obr., tab ; 24 cm. -- ISBN 978-1-926895-48-2 (viaz.) : 135,30 €

1. monografie

(048.8)+631.95+574:63+633/635+631.4+551.5+581.13
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