In a field experiment in 1990/91 at Coimbatore, Tamil Nadu, rice cv. IR 20 was grown at spacings of 20 or 15 × 10 cm with or without 200 g Azolla/m². The crop also received 0-240 kg N/ha. Grain yield was higher at the wider spacing and was increased by over 0.5 t with Azolla. Grain yield increased with up to 180 kg N. Source: CAB
CITATION STYLE
Kalinichenko, E. A., Brik, A. B., Radchuk, V. V., Frank-Kamenetskaya, O. V., & Dubok, A. V. (2016). Biogenic---Abiogenic Interactions in Natural and Anthropogenic Systems. In V. O. Frank-Kamenetskaya, G. E. Panova, & Yu. D. Vlasov (Eds.) (pp. 461–477). Cham: Springer International Publishing. https://doi.org/10.1007/978-3-319-24987-2_35
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