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Three trials were carried out at CIAT-Palmira to quantify the effect of plot edges and useful plot size in beans. In the 1st trial (sown in Oct. 1977), the competition effect of 36 climbing bean var. associated with maize ICA H-210 in adjacent plots and the effect of the alleys on plot edges were...
Information is provided on the most important agronomic aspects of the black bean production process in 3 municipalities in the Valle del Cauca (Ginebra, Cerrito, and Tulua), Colombia. Thirty-one bean production units of varying surface area and technology level were visited. Factors involved in ...
In order to determine optimum plot size, the method of max R(2) was used, for which 6 regression models were tested on the basis of the following selection criteria: the coefficient of determination, error mean square and the coefficient of variation. Optimum plot size was 7 m(2). To determine th...
A scale of stages of development of the bean plant applicable to both determinate and indeterminate growth types is defined and described. It consists of 10 critical phenological steps comprised into 2 phases: one vegetative (V) and the other reproductive (R). The stages V 0 (germination), V 1 (e...
The effect of triple superphosphate (TSP), band-applied at depths of 5 and 25 cm, with 0, 66, and 131 kg P/ha, on the yield (14 percent MC) of bean var. Carioca, G 4000, and ICA-Pijao (efficient in P utilization), and Puebla 152 (inefficient) was studied at CIAT`s exptl. station in Quilichao, Col...
L.A. is the largest producer of field beans in the world (34 percent - av. of 3.85 million t/yr from 1968-71), Brazil alone accounting for more than 50 percent. Productivity is low, ranging from 330-1164 kg/ha (av 600 kg). Most of the beans are grown on small farms, often in association with othe...
Different assays on climbing beans in relay cropping or associated with maize, N fixation and Rhizobium inoculation, and bush beans in monoculture are reported. These were conducted in La Selva, Antioquia (Colombia), through a collaborative project between the Instituto Colombiano Agropecuario (I...
Bean seeds var. Calima were stored in airtight containers during 32 wk., at 30 degrees Celsius and 7 moisture levels between 10.3 and 14.2 percent (humid basis). Every 2 wk., the physical, physiological, and sanitary quality of the seeds was evaluated by doing individual lot samplings of each moi...
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