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一、紫云英的肥效紫云英产青量高,肥效好,据在宜宾、隆昌、富顺、南溪等县试验增产显著。 1、在水稻上的增产效果:1974年在宜宾天池公社高梨五队同等肥力的0.5亩稻田试验,前作冬水田,土为老冲积黄泥,早稻品种“九矮早”,4月22日栽秧,密度4×6寸,每亩分别施紫云英3000斤、牛渣肥4000斤、铵水40斤作底肥,7月15日收获。施紫云英的株高增加3.6厘米,穗实粒数增加0.9粒,亩产756斤,比施渣肥的亩产618斤净增138斤,增产22％,仅比施铵水的少产1.4％。
First, the effect of milk vera straws Astragalus high yield, good fertilizer, according to Yibin, Longchang, Fushun, Nanxi County yield test significantly. 1, the yield increase effect on rice: in 1974 in Yibin Tianchi commune Gao pear five teams of the same fertility of 0.5 acres of paddy field test, before the winter paddy field, the soil is the old alluvial Wong Nai, early rice varieties “nine short”, April 22 planted Seedlings, the density of 4 × 6-inch, respectively, 1500 mus of Astragalus per kilogram, cattle fat 4,000 pounds, ammonium 40 kg for the base fertilizer, July 15 harvest. Shiziyunying 3.6 cm increase in plant height, spikelets grains increased by 0.9 grain, 756 kg per mu, 618 kg more than the kilos net increase of 138 pounds, an increase of 22%, only less than the 1.4% .