Effects of rate and frequency of applied P on crop yields, P uptake, and fertilizer P use-efficiency and its recovery in a groundnut–mustard rotation

A field experiment was conducted for 5 years (1992/93–1996/97) on Tolewal sandy loam soil (Typic Ustochrepts) in the subtropical region of northwest India (Ludhiana), to evaluate the effect of four rates of fertilizer P (0, 20, 30 and 40 kg P2O5/ha) applied at three frequencies representing direct,...

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Veröffentlicht in:	The Journal of agricultural science 1999-03, Vol.132 (2), p.181-188
Hauptverfasser:	AULAKH, M. S., PASRICHA, N. S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions Biological and medical sciences Cropping systems. Cultivation. Soil tillage CROPS AND SOILS Fundamental and applied biological sciences. Psychology General agronomy. Plant production Generalities. Cropping systems and patterns Nitrogen, phosphorus, potassium fertilizations Phosphorus fertilization Soil-plant relationships. Soil fertility. Fertilization. Amendments
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