foreignId('petani_id')->nullable()->constrained('petani')->onDelete('set null'); $table->float('umur_tanaman', 8)->nullable(); $table->string('serangan_hama')->nullable(); $table->string('penyakit_tanaman')->nullable(); $table->string('keparahan_serangan')->nullable(); }); } /** * Reverse the migrations. */ public function down(): void { } };