运用三因素饱和最优设计与灰色局势评价方法，通过盆栽试验，研究了适合于科尔沁沙地土壤的冷地型草坪基肥的氮、磷、钾营养元素的配比方案。
The optimum combination program of N, P, and K in the basic fertilizer on the cold type turf was studied by using three factors saturated optimum design and gray game decision method.
营养液培养条件下对86个棉花基因型苗期进行钾效率筛选，并对其中的28个进行了系统的研究。
Genotypic differences of potassium (k) efficiency among 86 cotton cultivars were investigated under water culture at seeding stage, 28 typical cultivars were picked out for a series study.
本发明是一种缓慢释放型氮磷钾复合肥料及其生产方法。属于营养成分缓 慢释放的混合肥料。
The invention relates to a slow-release type nitrogen-phosphorus-potassium composite fertilizer and a production method thereof, belonging to a composite fertilizer with slow-release type nutrient.
本发明是一种缓慢释放型氮磷钾复合肥料及其生产方法。属于营养成分缓 慢释放的混合肥料。
The invention relates to a slow-release type nitrogen-phosphorus-potassium composite fertilizer and a production method thereof, belonging to a composite fertilizer with slow-release type nutrient.
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