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随着农业科学技术的发展和农、副业生产水平的提高,目前农村需要四种测定仪器。1.真假化肥测定仪。经销化肥的基层单位和种田大户,需要使用一种能测定化肥真假的仪器,以防止假冒产品造成的损失。2.土壤肥力测定仪。农民希望有一种简便、价廉的土壤肥力测定仪,以便自己能经常测定土壤肥力,采取相应的补肥措施。3.鱼塘水质测定仪。水产养殖场和养鱼专业户
With the development of agricultural science and technology and the improvement of agricultural and sideline production levels, at present four kinds of measuring instruments are needed in rural areas. 1. True and false fertilizer tester. The basic unit selling fertilizer and farming large, need to use a device that can determine the authenticity of fertilizers to prevent the loss caused by counterfeit products. 2 soil fertility tester. Farmers want a simple, inexpensive soil fertility tester that allows them to routinely determine soil fertility and take the appropriate fertilizer measures. 3. Fish pond water quality analyzer. Aquaculture farms and fish farming households