怎样提高西瓜座果率大苗带土移栽定植：瓜苗要求有三叶一心，叶色正常，苗龄在三十天左右，瓜苗出圃时，根部要带有三寸见方的土块。施伸藤肥要适时适度：伸藤肥不宜单施化肥，应和土杂肥配合施用。第一次施在刚伸藤时，第二次在座果前。应在离瓜苗约二尺左右处开沟，肥料... How to improve the watermelon fruit rate Large seedlings with soil transplanting planting: melon seedlings require a clover heart, leaf color normal, seedling age about thirty days, melon seedlings nursery, the root with three inches square clods. Shi Tengtu fertilizer should be timely and appropriate: Solitrified fertilizer should not be applied fertilizer, and soil mixed with fertilizer application. The first time in the just stretched vine, the second in front of the fruit. Should be about two feet away from the melon seedlings ditches, fertilizer ...