The results illustrate that chemistry reaction of the soil is weakly alkaline, the K nutrition is plentiful, whereas N and P are insufficient in most parts of the reed fields in Hubei province.
结果表明：绝大多数苇田呈碱性反应，钾素营养丰富，氮、磷养分普遍不足；
In order to study the relationship between yield, maize ear treats and organ matter, N-OH, available P and K, we selected field block with different soil nutrition in Mei county, Shaanxi province.
在陕西眉县选择农田土壤养分含量不同的地块，研究不同含量的有机质，碱解氮、速效磷、速效钾与玉米果穗穗部性状及产量的关系。
The results indicated that: the soil moisture remarkably influenced N, P, K nutrition uptake.
结果表明：土壤水分对旱稻吸收N、P、K矿质元素有明显影响。
应用推荐