A ƙarƙashin hasken rana kai tsaye a lokacin rani, ƙarfin hasken zai iya kaiwa 60000 zuwa 100000 lux.Don amfanin gona, madaidaicin haske na yawancin kayan lambu shine 30000 zuwa 60000 lux.Misali, madaidaicin haske na barkono shine 30000 lux, na eggplant shine 40000 lux, na kokwamba shine 55000 lux.
Haske mai yawa zai yi tasiri mai yawa akan photosynthesis amfanin gona, wanda zai haifar da toshewar iskar carbon dioxide, wuce haddi na numfashi, da dai sauransu. Wannan shi ne yadda lamarin "hutu na tsakar rana" na photosynthesis ke faruwa a karkashin yanayin yanayi.
Saboda haka, yin amfani da shading net tare da dace shading kudi ba zai iya kawai rage zafin jiki a cikin zubar da tsakar rana, amma kuma inganta photosynthetic ingancin amfanin gona, kashe tsuntsaye biyu da dutse daya.
Idan aka yi la'akari da buƙatun haske daban-daban na amfanin gona da buƙatar sarrafa zafin da aka zubar, dole ne mu zaɓi ragar shading tare da ƙimar shading mai dacewa.Kada mu kasance masu kwadayin arha kuma mu zaɓi abin da ya ga dama.
Don barkono tare da ƙarancin jikewar haske, za a iya zaɓar net ɗin shading tare da ƙimar shading mai girma, alal misali, ƙimar shading shine 50% ~ 70%, don tabbatar da cewa hasken haske a cikin zubar yana kusan 30000 lux;Domin amfanin gona tare da babban isochromatic jikewa batu na kokwamba, da shading net tare da low shading kudi ya kamata a zaba, misali, da shading kudi ya zama 35 ~ 50% don tabbatar da cewa hasken haske a cikin zubar ne 50000 lux.