Abstract: 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.

Abstract: 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.

Abstract: The invention relates to the use of a compound or several compounds from the group of bioquinones a) in combination with a compound or several compounds from the group of potassium channel openers and/or b) in combination with a compound or several compounds from the group of 5-alpha-reductase inhibitors, for the production of cosmetic or dermatological preparations for treatment of the scalp and for hair in order to prolong the anagenic phase and/or for the treatment and prophylaxis of seborrhoeic symptoms, optionally by additionally using one or several compounds from the group formed from carnitine, arginine, succinic acid, folic acid, conjugated fatty acids and respectively the derivatives thereof, in addition to antioxidants.