According to the results of agro-meteorological conditions, socio-economic factors, agricultural surveys and yield prediction models since the rapeseed planting in Anhui Province, the Anhui Provincial Meteorological Science Research Institute estimates that the average yield of rapeseed in the province in 2010 is a flat apology compared with last year. In the past five years, the average is relatively flat. According to the area data provided by the Anhui Provincial Agriculture Commission and the Provincial Statistics Bureau , preliminary statistics show that the rapeseed planting area in the province in 2010 decreased by 1.2% compared with last year ; the average annual increase of 2.1% over the past five years , the total rapeseed output in 2010 is expected to be compared with last year. flat side ratio of leap year, with an average of nearly five years, compared to average.
At present, rapeseed in Anhui Province is generally in the flowering and pod-forming stage. The agrometeorological conditions since the sowing of rapeseed have generally outweighed the benefits. In most areas of the early stage of sowing, the soil moisture is suitable, which is conducive to the seedling emergence of rapeseed; the seedling period is more sunny and good weather, the soil moisture is suitable, which is conducive to the growth of rapeseed seedling stage; during the flowering period, it is basically conducive to the flowering and pod formation of rapeseed. However, late planting in some areas of drought, low temperature after sowing transplanting cold, bolting squaring of sustainable rainy weather and snow flowering temperature changes significantly and other unfavorable factors, RAPE greater impact.
Due to the excessive rainfall in the previous period, the soil continued to be too wet. It is recommended that farmers in the Anhui rapeseed production area should promptly clean up the " three ditch " and excavate the outer ditch of the field to ensure smooth drainage. There is no clear water in the ditch, no dark stains on the plough layer, ensuring good root growth, to reduce disease and prevent premature aging. . While strengthening the management of water and fertilizer in rapeseed field, we must pay attention to strengthening the prevention and control of rapeseed pests and weeds to ensure the normal growth of rapeseed in the critical period of growth.
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