Institute of Environment and Sustainable Development in Agriculture, Caas

Lili Gao

Xurong Mei

Weiping Hao

Daozhi Gong

Haoru Li

Xiaojie Li

Xuemin Hou

Weihua Han

Haibin Sun

A system for multi-channel data acquisition and precision irrigation and fertilizer application control of crops involving the following steps: obtaining a soil moisture content and a plant status parameter for plants within each homogeneous area; calculating a required soil moisture content for plants within the homogeneous area based on a difference between the required soil moisture content for plants within the planting area and the soil moisture content for plants within the homogeneous area; obtaining types and quality of required fertilizers for plants within the homogeneous area based on the plant status parameter for plants within the homogeneous area; blending an irrigation water and fertilizer solution required by plants within the homogeneous area; and irrigating plants within each homogeneous area according to the irrigation water and fertilizer solution required by plants within the homogeneous area.

System for multi-channel data acquisition and precision irrigation and fertilizer application control of crops

Disclosed is a straw crushing device capable of driving a sharpening structure, relating to the field of straw crushing. The straw crushing device includes a main housing, the main housing is internally provided with a crushing chamber and a suction chamber, a feeding nozzle is installed outside the main housing, and the feeding nozzle communicates with a feeding end of the crushing chamber. A spline transmission shaft is installed inside the main housing, and penetrates through the crushing chamber and the suction chamber. A driving motor is installed outside the main housing, and the driving motor is connected to the spline transmission shaft. A Y-shaped tool rest is installed on the spline transmission shaft, and the Y-shaped tool rest is located in the crushing chamber.

Straw crushing device capable of driving sharpening structure

A drip irrigation treatment device, which comprises a water storage tank, wherein a partition plate is arranged in the water storage tank and divides the interior of the water storage tank into a conveying cavity and a purifying cavity, one side of the conveying cavity and one side of the purifying cavity are jointly connected with a first water conveying mechanism, a protection box is arranged on one side of the water storage tank, a filter box is arranged in the protection box, one side of the upper end of the protection box is connected with a sewage conveying pipe, the lower end of the sewage conveying pipe corresponds to the filter box, a filtering mechanism is arranged in the filter box, a buffer moving mechanism is arranged on the periphery of the filter box, and a rotating mechanism is arranged on one side in the protection box.

Drip irrigation treatment device for recharging domestic sewage into farmland

Growing community of inventors

Beijing, China

Lili Gao