Protected cultivation is a process of growing crops
in a controlled environment. This means that the
temperature, humidity, light and such other factors
can be regulated as per requirement of the crop. This
assists in a healthier and a larger produce. There are
various types of protected cultivation practices. Some
of the commonly used practices are — forced ventilated
greenhouse, naturally ventilated polyhouse, insectproof net house, shade net house, plastic tunnel and
mulching, raised beds, trellising and drip irrigation.
These practices can be used independently or in
combination, to provide favourable environment to save
plants from harsh climate and extend the duration of
cultivation or off-season crop production. Adoption of
drip irrigation under raised beds (you will read about it
in Unit 4) covered with mulch films not only eradicates
weeds but also maintains moisture in the soil for a
prolonged period by minimising evaporation losses.
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