Yield Advantages and Economic Returns from Pigeonpea/cotton Strip Intercropping Rotations on a Vertisol in the Indian Semi-Arid Tropics

Potdar, M V and Anders, M M and Sharma, M (1996) Yield Advantages and Economic Returns from Pigeonpea/cotton Strip Intercropping Rotations on a Vertisol in the Indian Semi-Arid Tropics. Series on International Agricultural Research. pp. 58-72. ISSN 1341-3899

[img]
Preview
PDF - Published Version
Download (2MB) | Preview

Abstract

Piponpen (Cajatrus cajcln (L.)M illsy.) is an it~rportnrltc otrrpor~ettto fsez~~rcurl opyin~sy stettls of the setni-rzrid troyics (SAT). 111 a 4-1/['11f~ie ld study (1990 to 7994), a nrcdirrnr ~ilirntiotp~ig c.ortpca, crrltiz~orl CPL 87119 ii~uss trip-irztercropyed rc~itlrh ybrid cotton, c~iltir~aNrH H 44 it1 fizlp replac~nrent serirps of four strip widths (1.5, 3, 4.5, and 6-in strip) urzder thrcr lnnd-cottfiguratiot~ systems [flat, ridge arldfiirrow fI(F at 0.75-m), and broadbed and firrroiir (BBF at 1.5-/)I)/o n u Vertisol under rainfed cottditiotts at ICRlSAT Asia Center (IAC), lJotanAerri, Jnliia. A strip plot design ulas ~iscizfi ~ithl anil configrrrrrtion treatnrrnts allocnterl to uerticnl plots rltld crol~pitrs~ys tetns to horizontul plots with three replications. Each croy strip ulos rotated ujith at1 rlssociated intr~rcroy in a 2-year rotr~tiorc~y cle. Land co~lfiyuratiorlt rlJattiletlts retiloitled tcnchnrrge~id lrrirlg t l ~ ~ f oy~earrrs. ltrdiuidual crop yields rain or see~cfo t tor^ ar~ds tem dry nrntter) zcjcrt7 si'ynificantly. itt.f llrenced by the croypin~sy stertr but not by latld confiyuratiotr or treattrrertt interactions. Seed cotton yields ruere lti~hert h ~ npi ~eonpel~~r aitly ieliis. lJi~eottpead ry stiw yields zucre higher tltntl cotton stern yields during nllfuur yerlrs. Sol[>p i8eortpc.o gmin yield uariedfrort~0 ,49 to 2.57 t lra", u~hrrrnss ole seed cotton yield varied from 1.45 to 2.04 t IIU-'C. rop yields drcreosed as strip size zur~sr educed, zuitlr (yreater yield redtictiotts in cotton than in pi(ycottyea. Sole pigeonpea yroduced tttore total dry tnntter (TDM) (6.51 t ha-') than sole cotton (4.95 t ha.'). Cropping systenl TDM production increased as pi~eonpeas trip size ruas itzcreased. Land rquiz~alottr atio fLER) and nrorletnry zlal~itle quivalent mtio (MVER) indicated that strip it~tercroppingz ilas al7uays superior to sole croppittg. A strip itttercroppin~c onrbitzation of 4.5-it1 pigeonpea and 1.5-ttr cottcln Xavc the rtlaxirn~rnlm eart LER rlallrc (1.4) and MVER value (1.19). Averaged ozjerfotir years, sole. cottort had the rt~axirttrirrg~r oss (Rs. 19,87 thousatzds ha-') and net monetary returns (Rs. 14.25 thousartds ha.'), uttd sole pigeonpea hall the lowest gross (Rs. 12.41 thousands ha") and net monetary returns (Rs. 7.24 tltcuisands ha-'). All strip intercroppitlg systems iclrre more profitable than sole pigeonpeuroith nlaxinlunt net retlrrr~s (Rs, 9.97 thousands ha.') obtained from a strip intercropping conrbitzatiott of 1.5-111p igeonpea utld 4.5-m of cotton. Benefit:cost ratio varied widely among cropping systettrs at111 brtiuern years. However, sole cotton gave the maxitnum benefit:cost ratio of2.57,followed by sole yipjonyen with 11 value of2.18. Results of combined yield analysts of each rotatron cycle, lndrcated the sole prgeortprJa

Item Type: Article
Divisions: UNSPECIFIED
CRP: UNSPECIFIED
Subjects: Mandate crops > Pigeonpea
Depositing User: Library ICRISAT
Date Deposited: 17 Dec 2011 11:16
Last Modified: 17 Dec 2011 11:16
URI: http://oar.icrisat.org/id/eprint/4762
Official URL:
Projects: UNSPECIFIED
Funders: UNSPECIFIED
Acknowledgement: UNSPECIFIED
Links:

Actions (login required)

View Item View Item