Four crops based cropping pattern studies for increasing cropping intensity and productivity in Rajshahi region of Bangladesh

Abstract

p>A field trial was conducted at the Regional Wheat Research Centre of Bangladesh Agricultural Research Institute (BARI), Rajshahi to study the comparative agronomic performance and economic return of four crops based cropping patterns. The cropping patterns were as follows: CP₁= Transplanted Aman rice (cv. Binadhan-7)–Mustard (cv. BARI Sarisha14)–Boro rice (cv. BRRI dhan28) – Transplanted Aus rice (cv. Parija); CP₂= T. Aman rice–Potato (cv. Diamont)–Boro rice–T.Aus rice; CP₃=T. Aman rice–Mustard (cv. BARI Sarisha15)–Mungbean (cv. BARI Mung 6) –T. Aus rice and CP₄ = T. Aman rice–Fallow–Boro rice–Fallow (Control). The results showed that four crops could be grown successfully one after another in a sequence in the field with three crops patterns. The highest rice equivalent yield (REY) 25.62 t ha^-1 was obtained from the cropping pattern CP₂(T. Aman rice–Potato–Boro rice–T.Aus rice) and it was followed by CP₁(18.49) and CP₃(16.03) during one year crops cycle. The highest gross margin Tk. 148882 ha^-1 was also obtained from CP₂ followed by CP₃(Tk. 133315 ha^-1). The highest MBCR (2.24) was however, obtained from the cropping pattern CP₃(T. Aman–Mustard– Mungbean–T. Aus). Based on overall yield performance, economic benefit and climatic situation of Rajshahi region it may be concluded that CP₃ was the best pattern than others.

Bangladesh Agron. J. 2014, 17(2): 55-60 </p

Full text

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