Hole sowing and higher planting density were beneficial to silage maize. 高密度取穴播對提高青貯玉米產(chǎn)量有較好效果。
The phosphorus fertilizer and farmyard manure had the best effects on maize yield in Drab Fluvo-aquic soil. 相關(guān)分析表明,在褐潮土上增施磷肥和有機肥對提高玉米產(chǎn)量具有重要的作用。