Abstract
To evaluate beneficial effect of intercropping based on replacement and additive methods to sustainable agriculture, two experiments were conducted at the Agricultural Research Station of University of Tabriz in 2005 and 2006, to study the effect of intercropping potato and pinto bean by using these two methods. The experiments carried out using randomized complete block design with three replications and 16 treatments. The treatments, consisted of: eight treatments of replacement intercropping with 2:1 and 3:1 proportions of potato and pinto bean (with densities of 4.7 and 5.3 plants m-2 for potato and 45 and 55 plants m-2 for pinto bean), four treatments of additive intercropping (with densities of 4.7 and 5.3 plants m-2 for potato and 5.3 and 10.6 plants m-2 for pinto bean), two sole croppings of potato (4.7 and 5.3 plants m-2) and two sole croppings of pinto bean (45 and 55 plants m-2). Maximum tuber yield per plant, tuber yield of potato per unit area, tuber size, mean tuber weight, number of leaves and branches per plant were obtained from replacement intercropping treatments. Maximum grain yield of pinto bean per unit area was obtained from the replacement intercropping treatments; Maximum grain yield per plant, number of pods per plant, number of leaves and branches, plant height, dates of emergence, flowering, poding and ripening were obtained from the additive intercropping treatments. To evaluate the beneficial effect of intercropping, land equivalent ratio (LER) was more than one, and the maximum amounts for two years (1.25 and 1.27, respectively) belonged to replacement intercropping of 1:2 treatment (66% potato with 5.3 plants per m2 + 34%pinto bean with 55 plants per m2). This treatment, therefore, can be recommended to be the best intercropping pattern for sustainable agriculture.
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Claims 7
Claim · model-written summary
Replacement intercropping gave maximum potato tuber yield per plant, area yield and tuber size.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- replacement intercropping treatmentse1
- Outcome
- tuber yield per plant, tuber yield of potato per unit area, tuber sizee0
- Direction
- Maximume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum tuber yield per plant, tuber yield of potato per unit area, tuber size”
e1“were obtained from replacement intercropping treatments”
Claim · model-written summary
Replacement intercropping gave maximum mean tuber weight and leaf and branch numbers for potato.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- replacement intercropping treatmentse0
- Outcome
- mean tuber weight, number of leaves and branches per plante0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mean tuber weight, number of leaves and branches per plant were obtained from replacement intercropping treatments”
t0“Potato”
Claim · model-written summary
Replacement intercropping produced maximum pinto bean grain yield per unit area.
Verbatim
e0“Maximum grain yield of pinto bean per unit area was obtained from the replacement intercropping treatments”
Claim · model-written summary
Additive intercropping produced maximum pinto bean grain yield per plant, pod and leaf numbers.
Verbatim
e0“Maximum grain yield per plant, number of pods per plant, number of leaves and branches”
e1“were obtained from the additive intercropping treatments”
t0“Pinto bean”
Claim · model-written summary
Additive intercropping produced maximum pinto bean height and emergence, flowering, poding and ripening dates.
Verbatim
e0“plant height, dates of emergence, flowering, poding and ripening were obtained from the additive intercropping treatments”
e1“Maximum grain yield per plant”
t0“Pinto bean”
Claim · model-written summary
The land equivalent ratio exceeded one, with maxima of 1.25 and 1.27 in the two years under replacement 1:2 intercropping.
Verbatim
e0“land equivalent ratio (LER) was more than one, and the maximum amounts for two years (1.25 and 1.27, respectively) belonged to replacement intercropping of 1:2 treatment”
t0“Potato and Pinto bean”
Claim · model-written summary
The authors recommend replacement 1:2 intercropping for sustainable agriculture.
Verbatim
e0“This treatment, therefore, can be recommended to be the best intercropping pattern for sustainable agriculture”
e1“replacement intercropping of 1:2 treatment”
t0“Potato and Pinto bean”