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长期以来,我国农民都是凭着老经验进行施肥,往往掌握不好施肥量和施肥比例,造成化肥利用率低,结果是高成本、低收入。测土配方施肥是精准农业的一项重要技术,其核心是准确计量,使各种养分形成科学配方。不同地域、不同土壤养分含量差异很大;不同作物所需养分不同;同一作物的不同品种、不同生长阶段其需肥规律也不相同。因此,在播种前
For a long time, Chinese farmers are fertilizers based on old experience, often mastered the proportion of fertilizers and fertilizers is not good, resulting in low fertilizer utilization, the result is a high cost, low income. Soil testing and formula fertilization is an important technique of precision agriculture. Its core is accurate measurement, which makes all kinds of nutrients form a scientific formula. Different regions, different soil nutrient content varies greatly; different crops require different nutrients; different varieties of the same crop, different growth stages of its need to fertilizer law is not the same. Therefore, before sowing