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大豆是讷河市主栽作物之一,在农业经济中占据举足轻重的地位。连续几年的干旱、低温、早霜限制了大豆产量和效益。为寻找大豆高产高效的新途径,特进行大豆覆膜栽培试验。1试验材料和方法1.1供试材料磷酸二铵、尿素、硫酸钾、地膜。品种为东农434。1.2试验方法试验采取大区对比?
Soybean is one of the main crops in Nehe and occupies a pivotal position in the agricultural economy. Droughts, low temperatures and early frosts for several years have limited soybean production and benefits. In order to find a new way for high yield and high efficiency of soybean, special soybean cultivation experiments. 1 Test Materials and Methods 1.1 Test Materials DAP, urea, potassium sulfate, plastic film. Variety of Dongnong 434.1.2 test method to test the regional contrast?