Stubble


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Stubble

 

the basal part of the stems of grain crops left on the roots after harvest. A variety of weeds remain on the field along with the stubble until frosts set in. Concealed stem pests and the causative agents of crop diseases find shelter in the stubble and weeds. Therefore, in most regions of the USSR the stubble is removed at harvest time or immediately afterward. Later, when the shoots of the weeds appear, they are plowed under. If postharvest or winter crops are planted, the stubble is plowed under after harvesting. In regions that suffer from wind erosion and harsh and largely snowless winters (steppe regions of Kazakhstan and Siberia), the stubble is cultivated with deep rippers or flat-cutting cultivators. This keeps about 85–90 percent of the stubble on the field to help retain snow. Stubble is left intact even after the harvesting of grain crops, under which perennial grasses are sown.

G. M. GOLOVIN

References in periodicals archive ?
New Delhi [India], Feb 1 ( ANI ): Delhi's air pollution found a special mention in Finance Minister Arun Jaitley's fifth budget as the minister on Thursday announced a special scheme to tackle stubble burning.
In 2017, information work was intensified among the heads of households on the prohibition of burning stubble in the region.
The Punjab government largely blames burning of rice crop stubble by the Indian Punjab farmers for smog that has been affecting air quality since last year in Lahore and other cities during the weather transition from October-end to the first half of November.
The chief minister went on to explain some of the causes of smog, including rice stubble burning.
According to the report, on November 8, strong dust storms in Iraq, Kuwait and Saudi Arabia had contributed to 40 per cent of air pollution in Delhi-NCR as compared to 25 per cent of the pollution being contributed by stubble burning and "local sources".
5ha of Winfred - a cross between kale and a stubble turnip - at Green Lane Farm, Broughton.
The air quality in Delhi got more toxic yesterday, with winds coming from Punjab and Haryana where stubble burning continues unabated.
Summary: Pakistani officials say stubble burning by Indian farmers has caused a thick blanket of smog
Consequently, for north Florida, a forage study was conducted in Levy County, Florida, using plots of 'Tifton 85' bermudagrass cut to stubble heights of 8 or 15 cm and harvested at intervals of 21 to 35 d (Clavijo Michelangeli et al.
Stubble, shrubs, trees, arable and abandoned vineyards burned out.
Among the stubble heights, wheat crop sown in standing rice stubbles at 45 cm height performed the best with maximum germination, 1000 grain weight and grain yield.
On the other hand, rice stubble burning in the month of October- November in Punjab has emerged as a huge pollution problem, as represented by satellite images provided by NASA ( National Aeronautics and Space Administration).