The invention discloses a preparation method and application of a
saline-alkali-resistant
soil conditioner taking mixed
algae as a
raw material. The
saline-alkali-resistant
soil conditioner is specifically prepared from the following raw materials in parts by weight: 50-80 parts of mixed
algae powder; 10 to 30 parts of
humic acid; and 5-10 parts of a
microbial agent. The invention relates to the technical field of
soil conditioning, in particular to a preparation method and application of a
saline-alkali-resistant
soil conditioner taking mixed
algae as a
raw material, the
soil salinity and
alkalinity of saline-
alkali soil can be obviously reduced, for example, in the later growth period of wheat, the
soil salinity and
alkalinity can be reduced to 0.2%-0.3% from the initial 0.5%-1.0%, the reduction amplitude reaches 50%-60%, and the
soil salinity and
alkalinity can be obviously improved. The
soil fertility is greatly improved, the conditioner can remarkably increase the content of nutrients such as organic matters,
nitrogen,
phosphorus and
potassium in soil, meanwhile, the pH value of the soil is reduced, the pH value of the soil is improved, the content of the organic matters can be increased by 50%, the content of the
nitrogen can be increased by 40%, the content of the
phosphorus can be increased by 40%, and the content of the
potassium can be increased by 30%. The
potassium content is increased by 33.3%, the PH value is reduced by 4.88%, and compared with a commercially available conditioner, the
soil fertility index is increased by the conditioner.