Tuesday, 5 March 2013

mixed cropping


Mixed cropping: Mixed cropping is growing of two or
more crops simultaneously on the same piece of land seeded
either after the seeds of the crops intended to be grown mixed or
sowing alternate rows in various replacement ratios. This may or
may not have distinct row arrangement and the mixed plant
community faces inter and intra row competition  with a different
plant type/variety. The basic objective in mixed cropping is
minimization of risk and insurance against crop failure due to
aberrant weather conditions. In inter-cropping systems, pressure
of plant density per unit are is more than that in a sole cropping
system, while in mixed cropping the plant population pressure is
generally equal to sole cropping and in some cases it may even
be less than sole cropping system.
 Besides the above few other terms commonly used in
cropping systems approach are defined below: 

 Monoculture: The repetitive growing of the sole crop on
the same piece of land. It may either be due to climatological
limitation or due to specialization by a farmer to grow a
particular crop.

Staggered planting: It means sowing of a crop is spread
over and around optimum period of planting either to minimize
risks or to use labour & machinery more effectively or to
minimize competition (in inter-cropping) or to prolong the period
of supply to the market or the factories.

 Ratoon cropping: The cultivation of crops’  re-growth
coming out of roots or stalks of the preceding crop after harvest,
although not necessarily for grain is termed as ratoon
cropping/ratooning.

Mixed farming: It is defined as a system of farming on a
particular farm (regardless of size) which includes crop
production, raising of livestock, poultry, fish and bee keeping,
and/or tress to sustain and satisfy as many necessities of the
owner (farmer) as is possible. Subsistence is the objective here. It
is based on the principle of give and take. Farm animals feed on
farm produce and in return manure is given to the crops.

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